Unit III: Tools and devices facilitating education Archives

D.ED. HI SECOND YEAR NOTES PAPER NO 8 EDUCATION OF CHILDREN WITH HEARING AND SPEECH DISABILITIES

3.1. Assessment tools for students with hearing and speech disabilities

Speech and language assessments are designed to evaluate a student’s ability to produce sounds, understand spoken language, express themselves verbally or through other communication modes, and use language appropriately in social contexts. These tools are essential because hearing loss or speech disability can affect both receptive language (understanding) and expressive language (speaking or communicating).

Articulation Tests

Assess the ability to produce specific speech sounds correctly.
The child is asked to name pictures, repeat words, or imitate sentences.
Errors are recorded and analyzed to find patterns, such as substitution (e.g., saying “tat” for “cat”), omission, or distortion of sounds.
Example tools: Goldman-Fristoe Test of Articulation (GFTA), Khan-Lewis Phonological Analysis.

Phonological Process Assessment

Identifies patterns in speech sound errors, especially in younger children.
Helps in planning targeted speech therapy for correcting these patterns.
Example: Hodson Assessment of Phonological Patterns.

Receptive Language Assessment

Measures how well the student understands spoken words, sentences, and instructions.
Can include tasks like pointing to pictures, following verbal commands, or answering comprehension questions.
Example tools: Peabody Picture Vocabulary Test (PPVT), Token Test.

Expressive Language Assessment

Checks how well a child can express thoughts, needs, and ideas using spoken words, sign language, or augmentative communication devices.
May include picture description, storytelling, or conversation.
Example tools: Expressive Vocabulary Test (EVT), Clinical Evaluation of Language Fundamentals (CELF).

Pragmatic Language Assessment

Evaluates how language is used in social situations—such as turn-taking in conversation, using polite forms, or staying on topic.
Observations in natural settings (classroom, playground) are often included.
Example: Pragmatic Language Observation Scale.

Voice and Fluency Assessment

Voice assessment checks pitch, loudness, and quality of voice (to detect issues like hoarseness, nasal voice, or monotone).
Fluency assessment measures smoothness of speech and identifies stuttering or cluttering patterns.
Tools may include speech sample recordings and rating scales.

Speech Intelligibility Rating

Measures how understandable a child’s speech is to familiar and unfamiliar listeners.
Often scored as a percentage of words correctly understood.

Communication and Functional Skills Assessment Tools

Not all students with hearing and speech disabilities use oral communication alone. Some may rely on sign language, lip reading, or AAC devices. These tools help to assess communication skills in real-life and classroom contexts, ensuring that the child can effectively receive and express information.

Functional Communication Profile (FCP)

A comprehensive assessment of how a child communicates in different settings—home, school, and community.
Includes modes like speech, sign language, gestures, or device-based communication.

Communication Matrix

Designed for individuals with complex communication needs.
Measures from early communicative behaviors (e.g., crying, pointing) to more advanced communication methods (e.g., full sentences).

Lip Reading and Speech Reading Assessments

Evaluate the student’s ability to understand speech by watching lip movements, facial expressions, and gestures.
Helps in determining the need for visual communication support in the classroom.

Augmentative and Alternative Communication (AAC) Assessment

Determines whether the student will benefit from communication boards, symbol systems, or electronic devices.
Involves trial sessions with different AAC systems to see which works best.

Educational Assessment Tools for Students with Hearing and Speech Disabilities

Educational assessment tools focus on understanding how hearing and speech disabilities affect academic learning in different subject areas. These assessments help teachers identify learning gaps, select suitable teaching strategies, and make curriculum adaptations. Since communication barriers can influence a child’s performance in reading, writing, and comprehension, assessments must be adapted to the child’s communication mode (spoken language, sign language, AAC, etc.).

Standardized Academic Achievement Tests

Used to compare a student’s performance with age or grade-level expectations.
For students with hearing and speech disabilities, these tests should be administered in a communication-accessible format (with interpreters, visual instructions, or modified oral delivery).
Can cover areas such as reading comprehension, mathematics, and written expression.
Examples:
- Woodcock-Johnson Tests of Achievement
- Peabody Individual Achievement Test (PIAT)
- Kaufman Test of Educational Achievement (KTEA)

Curriculum-Based Assessments (CBA)

Directly linked to the classroom curriculum.
Teachers create short tests, worksheets, or observation checklists to track how well students are mastering current lessons.
More flexible than standardized tests and can be adapted for sign language, visuals, or AAC use.

Dynamic Assessment

Focuses on learning potential rather than just current performance.
The assessor provides teaching or prompts during the test to see how much a student can improve with support.
Useful for students whose abilities might be underestimated due to communication barriers.

Teacher-Made Tests and Checklists

Created by the class or special educator to monitor subject-specific skills.
Example: A teacher might prepare a visual-based quiz for science vocabulary, or a math worksheet with clear symbols and step-by-step instructions.
Checklists can track skills like “follows visual instructions” or “can write simple sentences.”

Observation in Classroom Settings

Teachers and special educators watch how the student:
- Responds to oral instructions
- Participates in group discussions
- Uses assistive devices
- Interacts with peers
Observations are recorded systematically using rating scales or narrative logs.

Language-Based Literacy Assessments

Since hearing and speech disabilities can impact reading and writing, these tests are important for identifying literacy needs.
May include tasks like matching pictures with printed words, recognizing letters, reading simple sentences, and writing short responses.
Examples:
- Test of Early Reading Ability (TERA)
- Gray Oral Reading Test (GORT)

Adapted Testing for Accessibility

To ensure fairness, tests should be modified according to the student’s communication needs:
- Providing sign language interpretation
- Using written or visual instructions instead of oral-only directions
- Allowing extra time
- Providing seating near the teacher or interpreter
- Using hearing assistive technology during the test

3.2. Assistive devices

Assistive devices are special tools, instruments, or pieces of technology designed to help students with hearing and speech disabilities to communicate, learn, and participate effectively in daily life. These devices are used to compensate for reduced hearing ability or support alternative means of communication when speech is not clear or possible.

In an educational setting, assistive devices are not just medical tools—they are essential learning supports. They allow students to hear the teacher better, communicate with classmates, understand classroom instructions, and take part in group activities without feeling isolated.

For students with hearing and speech disabilities, these devices can:

Improve listening in noisy classrooms or large spaces.
Enhance speech clarity by giving better access to sound signals.
Support language development through better auditory input.
Facilitate alternative communication when voice-based speech is difficult.
Ensure safety by providing visual or vibrating alerts for alarms, bells, or emergency situations.

Goals of Using Assistive Devices in Education

Access to communication – to help students understand spoken language or express themselves.
Equal participation – to enable active involvement in classroom activities, discussions, and group work.
Academic success – to overcome barriers caused by hearing or speech difficulties.
Independence – to reduce dependency on interpreters or peers for basic communication needs.
Social inclusion – to encourage interaction with classmates and teachers.

Classification of Assistive Devices

Assistive devices for students with hearing and speech disabilities can be broadly grouped into four categories:

Hearing Assistive Devices – Improve the ability to detect and understand sound.
Speech-Related Assistive Devices – Help in producing, improving, or replacing speech.
Classroom Assistive Technologies – Special tools used in school environments for better learning access.
Alerting and Safety Devices – Provide non-auditory alerts for safety and awareness.

Hearing Assistive Devices

These devices focus on improving auditory input by amplifying sounds or delivering them directly to the ear. They are most commonly prescribed for students with partial or complete hearing loss.

Hearing Aids

Definition: Small electronic devices that amplify sound for people with hearing loss.
Components:
- Microphone – picks up sound.
- Amplifier – increases the volume of the sound.
- Receiver – sends sound into the ear.
- Battery – powers the device.
Types:
- Behind-the-Ear (BTE) – Worn behind the ear; suitable for all ages and most hearing losses.
- In-the-Ear (ITE) – Fits entirely inside the outer ear; for mild to severe hearing loss.
- In-the-Canal (ITC) – Smaller and less visible; fits partly in the ear canal.
- Completely-in-the-Canal (CIC) – Very small and almost invisible; for mild to moderate loss.
Special Features: Noise reduction, directional microphones, Bluetooth connectivity for wireless streaming.

Cochlear Implants

Definition: Surgically implanted devices that bypass damaged inner ear parts and directly stimulate the auditory nerve.
Parts:
- External sound processor – captures sound and converts it into digital signals.
- Internal implant – placed under the skin and sends electrical signals to the auditory nerve.
Use: Suitable for severe or profound hearing loss where hearing aids are not effective.
Benefit: Provides access to sound and spoken language for children who cannot benefit from traditional amplification.

Bone Conduction Hearing Devices

Working Principle: Transmit sound vibrations directly through the bones of the skull to the inner ear, bypassing the outer and middle ear.
Use: Helpful for children with chronic ear infections, ear canal malformations, or single-sided deafness.

Middle Ear Implants

Description: Surgically implanted devices that attach to the bones of the middle ear to improve sound transmission.
Use: For moderate to severe hearing loss when conventional aids are not suitable.

Personal FM/DM Systems

Definition: Wireless systems where the teacher wears a microphone and the student wears a receiver linked to hearing aids or cochlear implants.
Purpose:
- Delivers the teacher’s voice directly to the student without background noise.
- Improves listening in noisy classrooms.
Types:
- Personal FM systems – one-to-one connection between teacher and student.
- Soundfield FM systems – use loudspeakers so the whole class benefits.

Speech-Related Assistive Devices

Speech-related assistive devices are designed to support, improve, or replace speech when a person cannot communicate effectively through natural voice alone. For students with hearing and speech disabilities, these devices can help in developing speech clarity, maintaining communication, and providing alternative communication methods.

Speech Generating Devices (SGDs) / Voice Output Communication Aids (VOCAs)

Definition: Electronic devices that produce spoken words or sentences when the user selects symbols, pictures, or text.
Types:
- Text-to-Speech Devices: User types a message, and the device reads it aloud.
- Symbol-Based Devices: User selects symbols or pictures that represent words or phrases.
Educational Use:
- Helps non-verbal students to participate in classroom discussions.
- Encourages independence in expressing needs and ideas.
Examples: Tobii Dynavox, Lightwriter.

Augmentative and Alternative Communication (AAC) Systems

Definition: Methods and tools used to support or replace speech.
Forms:
- Unaided Systems: Sign language, gestures, facial expressions.
- Low-Tech Systems: Communication boards, picture exchange systems (PECS).
- High-Tech Systems: Tablets with AAC apps, specialized electronic communication devices.
Benefit: Gives students with severe speech limitations a way to interact meaningfully with peers and teachers.

Speech Amplifiers

Purpose: Amplify the user’s voice so it is clearer and louder for listeners.
Use: Helpful for students with weak voices due to speech disorders or hearing impairment.
Example: Portable personal amplifiers with a microphone and speaker.

Voice Training and Therapy Devices

Used in speech therapy to improve articulation, pitch, loudness, and fluency.
Some devices give real-time visual feedback on speech sounds to help students practice.
Example: SpeechViewer software, visipitch.

Classroom Assistive Technologies

Classroom-specific assistive technologies ensure that students with hearing and speech disabilities can access all learning activities without communication barriers.

Soundfield Amplification Systems

Description: The teacher’s voice is amplified through speakers placed around the classroom.
Benefit: All students hear clearly, not just those with hearing loss.
Use: Reduces strain on the teacher’s voice and improves listening for everyone.

Captioning Services

Types:
- Real-Time Captioning (CART): Speech is converted into text instantly by a captioner.
- Closed Captions/Subtitles: Pre-prepared text displayed on videos.
Educational Use: Allows students to read along with spoken lessons, videos, or announcements.

Interactive Whiteboards with Visual Supports

Display written instructions, diagrams, and videos to support auditory information.
Useful for students who depend more on visual learning due to hearing limitations.

Multimedia Learning Tools

Educational apps and programs that combine audio, text, and visuals.
Examples: Interactive language learning apps, visual storytelling tools.

3.3. Augmentative and alternative communication devices

Meaning of Augmentative and Alternative Communication (AAC) Devices

Augmentative and Alternative Communication (AAC) devices are tools, equipment, or systems that help individuals with hearing and speech disabilities to communicate effectively when they cannot use speech alone.
The term “Augmentative” means adding to or enhancing existing speech, while “Alternative” means replacing speech when it is not possible at all. These devices are specially designed to support people who have difficulty expressing themselves verbally due to hearing loss, speech disorders, or other communication challenges.

AAC devices can range from simple picture boards and communication books to advanced electronic devices with voice output. They can be used in schools, homes, workplaces, and community settings to improve participation, independence, and quality of life for individuals with communication difficulties.

Purpose of AAC Devices

AAC devices are not only about giving a voice to a person; they serve several important purposes:

To enable basic communication – expressing needs, wants, and feelings.
To promote social interaction – participating in conversations with family, peers, and teachers.
To support education – helping students understand and express academic content.
To build independence – allowing individuals to handle daily activities and decision-making without relying on others for speech.
To reduce frustration – replacing communication barriers with effective tools that make expression possible.
To support language development – helping children learn vocabulary, sentence structures, and communication patterns.

Types of AAC Devices

AAC devices can be broadly classified into two main categories:

Unaided AAC Systems

These systems do not require any special equipment other than the user’s own body. Examples include:

Sign Language – using hand movements, facial expressions, and gestures.
Manual Gestures – pointing, waving, or using agreed signs.
Finger Spelling – spelling out words using hand shapes.

While useful, unaided systems may not always be understood by everyone, especially those unfamiliar with sign language, which is why aided systems are often required.

Aided AAC Systems

These require some form of external tool or device. They can be further divided into:

Low-Tech AAC Devices – Simple, non-electronic tools such as:
- Picture Communication Boards (PECS)
- Communication books
- Alphabet boards
- Object symbols (real objects representing meaning)
High-Tech AAC Devices – Electronic devices that may have voice output and advanced features such as:
- Speech Generating Devices (SGDs)
- Tablets with AAC apps
- Dedicated communication devices with touchscreens
- Eye-tracking communication systems

Features of AAC Devices

An effective AAC device should have:

Ease of Use – simple interface for the user.
Portability – lightweight and easy to carry.
Customization – ability to add personal vocabulary, photos, and voices.
Multiple Output Modes – text display, synthesized voice, or recorded messages.
Durability – especially for children and outdoor use.
Multilingual Support – for regions with diverse languages.

Examples of AAC Devices Used for Children with Hearing and Speech Disabilities

AAC devices vary widely in design and function depending on the communication needs of the user. For children with hearing and speech disabilities, the following are some common and effective examples:

Low-Tech AAC Examples

Picture Exchange Communication System (PECS) – Uses pictures or symbols that a child can give to a communication partner to express a need or idea.
Communication Boards – Boards displaying images, symbols, or letters where a child points to or touches the desired item to communicate.
Object Symbols – Using tangible items to represent activities, people, or concepts, useful for children with limited cognitive skills.
Flip Books – Pages with vocabulary pictures or symbols arranged in categories, making it easier to locate and point.

Mid-Tech AAC Examples

These are electronic but simpler than advanced systems:

Voice Recording Devices – Buttons or switches that play a pre-recorded message when pressed.
Single or Multiple Message Communicators – For example, “Big Mack” devices that play a single recorded message or “Step-by-Step” communicators for multiple sequential messages.
Simple Talking Photo Albums – Allow recorded voice messages alongside images.

High-Tech AAC Examples

These are advanced devices with customizable and interactive features:

Speech Generating Devices (SGDs) – Convert typed or selected symbols into spoken words.
Tablets with AAC Applications – iPads or Android tablets running AAC apps such as Proloquo2Go, TouchChat, or LAMP Words for Life.
Eye-Gaze Systems – For children with severe motor impairments, where communication is done by looking at symbols or words on a screen.
Dynamic Display Devices – Touchscreen devices where vocabulary changes depending on the topic or category selected.

Factors to Consider Before Selecting an AAC Device

Choosing the right AAC device is critical for the success of communication support. The following factors must be considered:

Child’s Age and Developmental Level – Devices should match the child’s cognitive and motor abilities.
Type and Severity of Disability – Different devices suit mild, moderate, or severe communication needs.
Language Requirements – Must support the child’s home language or bilingual needs.
Ease of Learning – Interface should be intuitive for both child and educators.
Portability and Durability – For school and outdoor use, especially for active children.
Cost and Availability – Device should be affordable and accessible in the local market.
Compatibility with Hearing Devices – Should work alongside hearing aids or cochlear implants when needed.
Training Support – Availability of training for teachers, parents, and the child to use the device effectively.

Role of AAC in Education and Classroom Participation

AAC devices play a major role in enabling children with hearing and speech disabilities to participate actively in classroom learning:

Facilitates Understanding – Helps in clarifying instructions and content.
Supports Expressive Communication – Enables students to answer questions, participate in discussions, and share ideas.
Enhances Inclusion – Encourages peer interaction and group activities.
Promotes Literacy Skills – Many devices support reading and writing practice.
Improves Confidence – Students feel empowered to communicate without frustration.
Assists in Assessment – Teachers can use AAC devices to evaluate the child’s understanding and progress.

Training and Implementation of AAC Devices

Introducing an AAC device is not just about giving the tool to the child; it requires proper training, gradual implementation, and continuous support.

Steps in AAC Implementation

Assessment – A speech-language pathologist (SLP) or special educator assesses the child’s communication abilities, motor skills, and environment.
Selection of Device – Choosing the most suitable AAC device based on needs, abilities, and preferences.
Customization – Adding relevant vocabulary, images, and phrases that match the child’s daily life and school requirements.
Training the Child – Teaching how to use the device through modeling, repetition, and positive reinforcement.
Training for Parents and Teachers – Ensuring they know how to operate, maintain, and encourage use of the device.
Integration in Daily Routine – Using the device consistently at home, in class, and during social activities.
Monitoring and Updating – Regularly checking the device’s effectiveness and updating vocabulary as the child grows.

Challenges in Using AAC Devices

While AAC devices are powerful tools, their use comes with some challenges:

Cost and Accessibility – High-tech AAC devices can be expensive and may not be easily available in rural areas.
Training Requirements – Without proper training, children may not use the device effectively.
Maintenance Issues – Devices may require regular charging, software updates, or repairs.
Social Acceptance – Sometimes peers or teachers may not be aware of how to interact with AAC users, leading to isolation.
Language and Cultural Barriers – Limited availability of AAC systems in regional languages or cultural contexts.
Technical Limitations – Some devices may not be compatible with other assistive technologies the child uses.
Over-Reliance – Risk that communication partners may rely too much on the device rather than encouraging natural speech development where possible.

Role of Teachers, Parents, and Professionals in AAC Success

Teachers

Incorporate AAC into daily lessons and classroom activities.
Give extra time for students to respond using their device.
Use visual supports and peer interaction to encourage communication.
Collaborate with therapists for device updates and strategies.

Parents

Encourage AAC use at home during everyday routines like meals, play, and family conversations.
Keep the device charged, clean, and accessible at all times.
Praise and motivate the child for using the device.
Share observations with teachers and therapists to improve strategies.

Speech-Language Pathologists and Special Educators

Conduct assessments and recommend suitable AAC tools.
Train the child, family, and school staff.
Modify and expand vocabulary based on progress.
Provide ongoing therapy to integrate AAC with language development.

3.4. ICT tools and techniques

Introduction to ICT Tools and Techniques for Education of Children with Hearing and Speech Disabilities

Information and Communication Technology (ICT) refers to the use of digital tools, applications, and techniques that help in creating, storing, sharing, and accessing information. For children with hearing and speech disabilities, ICT plays a vital role in overcoming barriers to communication, learning, and participation in the classroom. It allows them to access information in alternative formats such as visual, text-based, or tactile modes, and supports teachers in delivering lessons effectively. ICT tools are not only supportive in teaching academic subjects but also help in developing communication, language, and social skills.

The main purpose of using ICT in special education for children with hearing and speech disabilities is to:

Provide equal access to educational resources.
Facilitate alternative and augmentative communication.
Encourage active participation and inclusion in learning activities.
Improve comprehension and expression using multimodal formats.

Categories of ICT Tools for Children with Hearing and Speech Disabilities

ICT tools for these learners can be grouped based on their purpose and mode of assistance:

Communication-Based Tools

These are designed to help students communicate with teachers, peers, and others using visual or text alternatives to speech.

Examples include:

Speech-to-Text Software – Converts spoken words into written text in real time, allowing the child to read what is being said.
Text-to-Speech Software – Converts written text into spoken words with adjustable voices and speeds, useful for children with speech difficulties.
Augmentative and Alternative Communication (AAC) Apps – Provide visual symbols, text, or images that the child can select to express their thoughts.

Learning and Instructional Tools

These help in delivering lessons in accessible formats and make learning interactive.

Examples include:

Interactive Whiteboards – Allow teachers to present lessons visually with text, images, and videos that support comprehension.
Digital Learning Platforms – Websites and apps like Google Classroom, Microsoft Teams, or Moodle that support visual materials and captioned videos.
Educational Software with Visual Support – Programs that teach concepts through pictures, animations, and sign language videos.

Assistive Listening and Visual Display Tools

These tools help in accessing audio information in visual or enhanced form.

Examples include:

Real-Time Captioning Systems – Provide instant subtitles during lectures, discussions, or events.
Visual Alert Systems – Indicate important classroom signals (bell ringing, alarms, teacher calling) through lights or vibrations.
Video Relay Services (VRS) – Allow students to communicate through sign language interpreters over video calls.

ICT Techniques for Supporting Education of Children with Hearing and Speech Disabilities

The effective use of ICT is not only about having tools but also about applying proper techniques that make teaching and learning more accessible.

Use of Captioning and Subtitles

Adding captions to all educational videos, lectures, and online content ensures that students can read what is being said.
Teachers can use tools like YouTube automatic captions, Google Meet live captions, or specialized captioning software.

Visual Representation of Information

Replace or supplement spoken instructions with visual aids such as pictures, diagrams, infographics, and animations.
Use sign language videos alongside text explanations for better understanding.

Interactive and Individualized Learning

Use ICT-based platforms that adapt to the student’s learning speed and allow them to review lessons multiple times.
Incorporate quizzes, drag-and-drop activities, and visual games that support comprehension without relying on hearing.

Combining Multiple Modes of Communication

Blend text, images, sign language videos, and animations in lesson delivery.
Use multi-sensory approaches—visual cues, touch screens, and tactile graphics—to reinforce understanding.

Specific ICT Tools and Their Features for Children with Hearing and Speech Disabilities

The following ICT tools are widely used in classrooms, therapy sessions, and home learning environments to support the education of children with hearing and speech disabilities. Each has its own purpose, features, and benefits.

Speech-to-Text Tools

These convert spoken language into written text in real time, allowing children with hearing loss to read what is being said.

Examples and Features:

Google Live Transcribe – Real-time transcription with high accuracy, supports multiple languages, works on Android devices.
Otter.ai – Captures speech and converts it into text, highlights keywords, and allows saved transcripts for later reading.
Microsoft Dictate – Built into Microsoft Office, helps convert speech to text directly in Word or PowerPoint.

Benefits:

Enables immediate understanding of spoken communication.
Supports participation in class discussions, group work, and lectures.

Text-to-Speech Tools

These read aloud the text typed or displayed on a screen, useful for children with speech impairments or those developing speech skills.

Examples and Features:

NaturalReader – Converts written text to natural-sounding speech, available on desktop and mobile.
Balabolka – Free software that supports multiple file formats and adjustable voice settings.
Read&Write by Texthelp – Reads digital text aloud and highlights words as they are read.

Benefits:

Helps children practice pronunciation and listening skills.
Makes reading accessible for children with reading difficulties.

Augmentative and Alternative Communication (AAC) Apps

AAC apps provide visual symbols, text, and images to help children express themselves when speech is limited.

Examples and Features:

Proloquo2Go – Symbol-based AAC app with customizable vocabulary for all age groups.
Avaz – Indian-origin AAC app designed for children with speech disabilities, supports picture and text communication.
TouchChat – Allows message creation using pictures, symbols, and text, with speech output.

Benefits:

Gives children a voice for daily communication.
Increases independence and participation in learning activities.

Captioning and Subtitling Tools

These add real-time or pre-recorded captions to audio and video content.

Examples and Features:

YouTube Automatic Captions – Automatically generates captions for uploaded videos.
Microsoft Teams Live Captions – Provides real-time captions during online classes.
Web Captioner – Browser-based real-time captioning tool.

Benefits:

Ensures equal access to multimedia learning materials.
Helps with vocabulary development and reading skills.

Visual Learning Tools

These use images, animations, and videos to present lessons in an engaging way.

Examples and Features:

Khan Academy – Offers visual-based lessons and interactive exercises.
SignLanguageTube – Provides video lessons with sign language interpretation.
Boardmaker – Creates symbol-based educational materials.

Benefits:

Supports comprehension through visual reinforcement.
Reduces dependency on auditory information.

Video Communication and Relay Services

These allow children to communicate through sign language using video platforms.

Examples and Features:

Zoom with Sign Language Interpretation – Integrates interpreters during live classes.
Video Relay Service (VRS) – Connects a sign language interpreter via video call between the student and teacher.
Google Meet with Pinning for Interpreters – Keeps interpreter video visible throughout the class.

Benefits:

Promotes inclusion in real-time discussions.
Removes physical barriers to communication.

3.5. Types of educational evaluation

Meaning of Educational Evaluation

Educational evaluation is the process of systematically collecting, analysing, and interpreting information to determine the achievement of learning objectives. It helps teachers, educators, and specialists to understand the learning progress, strengths, and needs of students. For children with hearing and speech disabilities, educational evaluation plays a crucial role in identifying their specific requirements, monitoring their progress, and planning effective teaching strategies.

Evaluation is not only about giving marks or grades; it is also about understanding whether the teaching methods and learning materials are effective for the learner. It focuses on both academic skills and functional abilities, including language development, communication skills, and social interaction.

Importance of Educational Evaluation for Children with Hearing and Speech Disabilities

Individualised Learning Plans – Helps in preparing Individualised Education Plans (IEPs) based on each child’s needs.
Identifying Barriers – Detects challenges in communication, comprehension, and expression.
Progress Monitoring – Tracks improvement over time to adjust teaching strategies.
Placement Decisions – Assists in determining the most suitable educational setting (special school, inclusive classroom, or resource room).
Parental Involvement – Provides clear data to involve parents in the learning process.
Skill Development Tracking – Evaluates growth in speech, language, listening, and academic subjects.

Main Types of Educational Evaluation

Educational evaluation can be classified in different ways depending on its purpose, timing, and scope. For hearing and speech disability education, the following types are most relevant.

Formative Evaluation

Formative evaluation is carried out during the teaching–learning process. It aims to give continuous feedback to both teacher and learner. For children with hearing and speech disabilities, this type of evaluation helps in identifying learning gaps early and making necessary adjustments in teaching methods or communication strategies.

Key Features

Conducted throughout the academic session.
Focuses on immediate improvement rather than final judgement.
Uses informal methods such as observation, questioning, small tests, and interaction.

Examples for HI Education

Teacher observing the child’s lip-reading accuracy during class.
Checking comprehension after a story narration with sign language support.
Short quizzes on new vocabulary taught through visual aids.

Benefits

Encourages active participation.
Helps in modifying teaching aids or techniques quickly.
Builds confidence in learners through positive feedback.

Summative Evaluation

Summative evaluation is conducted at the end of a learning period, such as at the end of a term, semester, or academic year. Its main purpose is to assess the extent to which learning objectives have been achieved.

Key Features

Conducted after completion of a unit, term, or course.
Often graded or scored to record achievement.
Measures cumulative knowledge and skills.

Examples for HI Education

Final written or practical examination in language development.
End-of-term projects where students use visual presentations.
Sign language comprehension tests after a course module.

Benefits

Provides a record of learning outcomes.
Useful for reporting progress to parents, school authorities, or examination boards.
Helps in making promotion or certification decisions.

Diagnostic Evaluation

Diagnostic evaluation is conducted before or at the beginning of the teaching process to identify learners’ strengths, weaknesses, prior knowledge, and specific learning needs.

For children with hearing and speech disabilities, this evaluation is essential to understand their present level of communication skills, language comprehension, and academic abilities.

Key Features

Focuses on discovering learning difficulties and their causes.
Often used to design an Individualised Education Plan (IEP).
May involve collaboration with audiologists, speech-language pathologists, and psychologists.

Examples for HI Education

Assessing listening skills using audiograms and listening tests.
Language assessment to identify vocabulary gaps.
Cognitive ability tests to understand memory and processing speed.

Benefits

Prevents future learning difficulties by early intervention.
Helps in selecting appropriate assistive devices like hearing aids or FM systems.
Guides teachers in choosing suitable teaching methods and materials.

Placement Evaluation

Placement evaluation is used to determine the most appropriate learning environment, grade level, or instructional group for a student before starting a course or programme. In the case of children with hearing and speech disabilities, this evaluation ensures they are placed in settings that match their abilities and needs, whether in inclusive classrooms, special schools, or resource rooms.

Key Features

Conducted at the beginning of a programme or school year.
Helps in deciding the correct entry point in the curriculum.
Often based on the results of diagnostic evaluation, past performance, and skill level.

Examples for HI Education

Placing a child in a class where sign language is actively used for teaching.
Grouping students according to their speech and language proficiency levels.
Assigning seating arrangements for better use of residual hearing and lip-reading.

Benefits

Ensures students are neither over-challenged nor under-challenged.
Promotes equal learning opportunities.
Reduces frustration and improves confidence in the learner.

Criterion-Referenced Evaluation

Criterion-referenced evaluation measures a student’s performance against specific learning objectives or criteria rather than comparing them to other students. For children with hearing and speech disabilities, this approach is beneficial because it focuses on individual mastery of skills, not competition.

Key Features

Compares performance to a fixed standard or set of objectives.
Clearly defined success criteria before the assessment.
Can be used for both formative and summative purposes.

Examples for HI Education

Testing whether a child can correctly identify 15 out of 20 vocabulary words taught using sign language.
Evaluating comprehension of a short video clip with captions.
Assessing the ability to follow three-step oral instructions using hearing aids.

Benefits

Individual progress is highlighted.
Encourages personal growth and mastery.
Helps teachers adjust teaching methods to meet set goals.

Norm-Referenced Evaluation

Norm-referenced evaluation compares a student’s performance with that of a larger group, often of the same age or grade level. While it is common in general education, its use for children with hearing and speech disabilities must be done carefully to ensure fairness and accessibility.

Key Features

Scores are interpreted in relation to a norm group.
Often used for large-scale assessments and standardised tests.
Provides percentile ranks, standard scores, or grade-equivalents.

Examples for HI Education

Comparing literacy levels of a student with hearing impairment to national norms.
Standardised reading comprehension tests with modifications such as visual aids.
State-level achievement tests with accessible instructions.

Benefits

Helps in policy planning and resource allocation.
Gives a broad picture of where the child stands compared to peers.
Useful for eligibility decisions in certain educational programmes.

Continuous and Comprehensive Evaluation (CCE)

CCE is an ongoing process of assessment that covers both scholastic (academic) and co-scholastic (life skills, values, sports, arts) areas of a student’s development. For children with hearing and speech disabilities, CCE ensures regular monitoring and development in multiple aspects of learning.

Key Features

Assessment throughout the year, not just at the end.
Includes both formative and summative elements.
Focuses on holistic development—academic, social, emotional, and physical.

Examples for HI Education

Regular observation of participation in group discussions using sign language.
Recording improvement in speech clarity or lip-reading skills over the term.
Assessing teamwork skills during class projects.

Benefits

Reduces exam stress through regular small assessments.
Encourages development of a variety of skills.
Provides detailed records for IEP review meetings.

Informal Evaluation

Informal evaluation is less structured and can take place naturally during classroom interactions. It often involves teacher observations, peer feedback, and casual questioning. This is especially useful for children with hearing and speech disabilities because it can assess communication and social skills in real contexts.

Key Features

No fixed schedule or standardised test format.
Can be spontaneous and based on immediate needs.
Allows assessment in real-life learning situations.

Examples for HI Education

Noticing a child’s improved response time during classroom discussions.
Observing the use of correct sign language grammar during playtime.
Monitoring understanding through gestures or facial expressions.

Benefits

Gives a realistic picture of skills in everyday situations.
Builds rapport between teacher and student.
Supports quick, on-the-spot teaching adjustments.

Disclaimer:
The information provided here is for general knowledge only. The author strives for accuracy but is not responsible for any errors or consequences resulting from its use.

By: The Special Teacher Tags: BSTC NOTES, D.ED. HI NOTES, D.ED. HI PAPER NO 8 NOTES, D.ED. HI SECOND YEAR NOTES, D.ED. NOTES, D.ED. SPECIAL EDUCATION HI NOTES, D.ED. SPECIAL EDUCATION HI SECOND YEAR NOTES, D.Ed. Special Education Notes, EDUCATION OF CHILDREN WITH HEARING AND SPEECH DISABILITIES, SPECIAL BSTC HI NOTES, SPECIAL BSTC HI SECOND YEAR NOTES, SPECIAL BSTC NOTES, THE SPECIAL TEACHER, Unit III: Tools and devices facilitating education Date: August 15, 2025