This document discusses audio-visual aids and their use in education. It defines audio-visual aids as instructional tools that can be both seen and heard, facilitating multisensory learning. The document outlines different types of audio, visual, and audio-visual aids including maps, charts, posters, and multimedia tools. It also discusses best practices for selecting, preparing and presenting aids to maximize their educational impact. Overall, the document promotes audio-visual aids as effective tools for engaging students and enhancing comprehension when used properly.
2. INTRODUTION
Audio-Visual Aids are sensitive tools used in teaching that
facilitates learning.
They are multisensory materials which Motivate, Clarify and
Stimulate individuals towards learning.
Audio visual aids are technological media or learning devices
It helps the teacher to
Clarify
Establish correlation
Coordinate accurate concepts
Interpretation and appreciation
Enable to make learning effective, interesting
Inspirational , meaningful
It helps in completing the triangular process of learning
3. DEFINITION
An audio-visual aid is an instructional device in which
the message can be heard as well seen.
Audio visual aids are any novice, which can be used to
make the learning experience more concrete, realistic
and dynamic.
-KINDER
Audio visual aids at those which help in completing
the triangular process of learning that is motivation,
classification and stimulation – CARTER V.GOOD
4. PURPOSES OF A.V. AIDS
AV AIDS EDUCATION COMMUNICATION MEDIA
Improves and makes teaching effective
Enable audience to listen
Makes learning interesting
Quicken the phase of learning
Develops knowledge
Add newness to lesson
Bring change in behaviour
Stimulate curiosity
Contact with reality
Clear accurate image
Increase attention and concentration
Active participation
5. People generally remember
10 percent of what they read
20 percent of what they hear
30 percent of what they see
50 percent of what they hear and see
70 percent of what they say
90 percent of what say as they do
6. CHARACTERISTICS OF GOOD
INSTRUCTIONAL AID
It must be adapted to the intellectual maturity of the
students.
It should be meaningful and purposeful
It should be improved
It should be simple
It should be cost effective
It should be up to date
It should be easily portable
It should be large enough to be seen by the whole
class.
7. PRINCIPLES FOR EFFECTIVE USE OF
AUDIO-VISUAL AIDS
The following are the principles for effective use of
audio visual aids.
Principle of selection
Principle of preparation
Principle of physical control
Principle of proper presentation
Principle of response
Principle of evaluation
8. FACTORS INFLUENCING SELECTION
OF AUDIO VISUAL AIDS
Audiovisual aids can be used either single or in
combination the factors influencing are,
The objective or the purpose
The nature of the subject matter
The nature of the audience
The number of audiences
The age, education
Interest and experience
Knowledge of the subject
Cost
Skill in selection and preparation
Knowledge of resources
9. CRITERIA FOR SELECTING AUDIO
VISUAL AIDS
THE TEACHER HAS TO PUT THE FOLLOWING
QUESTION IN MIND
Do the material give a true picture of idea
Are they meaningful
Is the material approprirate
Is the physical condition satisfactory
Do they improve human relation.
Is the material worth the time and effort
If the teacher finds it satisfactory then he has to
choose the material.
10. GUIDELINES FOR SELECTING AND
MAKING AV AIDS
Easy and understandable
Simple and direct
Focus on key points
Good working condition
Time and place
Accuracy
Presentation
Brief , clear and easy
Letters should be neat
Space between letters
Space between lines
Interesting and positive attitude
Natural attractive colors
11. ADVANTAGES OF AV AIDS
Inaccessible materials , event, object, could easily be
brought in classroom virtually
Students in the large classroom may not be able to see a
demonstration or small models
Helps to solve communication problems.
Greater acquisition of knowledge.
Motivate students to participate actively.
Source of experience
Improves critical thinking
Helps in interaction
Motivate students to gain further knowledge
13. AUDIO AIDS
This group consists of those aids which can be heard.
Learners use their hearing organs (ears)to listen to the
sound
the aids that involve a sense of hearing
Examples :
HEALTH EDUCATION
PUBLIC AWARENESS
PROVIDE INFORMATION
14. TYPES AUDIO AIDS
RADIO
TAPE RECORDER
GRAMOPHONE
COMPACT DISCS
VOICE MAIL
15. A. RADIO
The most common form of public education and
entertainment is the radio receiver.
16. PURPOSES OF RADIO
Radio a are portable
Educational programs can be given
Latest information can be provided
Increase student interest
Develops positive attitude
Increases general knowledge
17. ADVANTAGES
Increased listening skills
Good for mass education
Effective for distance education
DISADVANTAGES:
One way communication
May not seek attention
May not be heard by students
18. B.TAPE RECORDER
A tape recorder is a portable electronic gadget to
record, reproduce, erase and record sounds on the
magnetic tape.
19. ADVANTAGES OF RECORDING
Recordings are two way communication
It eliminates the time adjustments problems of radio
It enables one to listen , hear recordings previously
made
Provides students to hear their own voice
DISADVANTAGES :
Cannot maintain eye to eye contact
May be difficult to control classroom
Less attention
20. C. GRAMOPHONE
This is an old-fashioned record player its a device for
producing sounds stored on a record.
21. D.COMPACT DISCS
Compact disc also called as CD, are small plastic disc
which store and retrieve computer data.
They are faster and could hold more information
They can hold up to 700mb of data
Example : documentary of people in rural areas and
problems faced by them
22. E. VOICE MAIL
A centralized electronic system which can store
messages from telephone callers.
23. VISUAL AIDS
Visual aids for learning has a huge impact in how
students retain information
It is highly interactive
The information is presented visually
Visual aids are of two kinds
1. NON PROJECTED AIDS
2.PROJECTED AIDS
25. MAPS
Pictures of earths surface
Using maps in the classroom increased curiosity
Encourages exploration
Inspires problem solving
Used for exploration
Helps in visual learning
Improves skills
26. CARTOONS
Using humour in class is a valuable teaching tool
They motivate students
Increases interest
Maintains attention
Encourages imagination
Strengthen critical thinking
Helps in better understanding
Effective way for moral education
27. CHARTS
Charts are the graphic aids which provide information in
the form of tables pictures and graphics
PURPOSES :
For summarizing information
For presenting material,
To show continuity in the process
For motivating students
PRINCIPLE:
Should be self-explanatory
Should be in bold letters
Highlighted
Should be large enough
28. TYPES OF CHARTS
Tree chat: it is made in the form of several branches
from a trunk of the trees diagram
Stream charts: it is made in the form of main river and
its subpart coming out of it
Tabular chart: is made in the form of tables
Flow chart: it is usually used to show organisation and
hierarchical structure
Organization chart: this is hard to show organisation
pattern of an institution
29.
30.
31. ADVANTAGES :
Charts are an effective tool for learning
They increase interest
They are portable
They are easily prepared and maintained
They are used to clarify and simplify complicated
matter
DISADVANTAGES:
Charts cannot be used for a large group
32. POSTERS
Posters are graphic aids with short, quick and typical
messages with attention capturing the painting
They are graphical presentations of simple ideas which
combine picture and short headings
CHARACTERISTICS
It should be attractive
It should be brief
It should be clear
The design should attract audience
It varies from simple printed card to a complicated artistic
design
33. Rules to prepare poster
Demostrative
To promote a point
Planned for specific people
Use of bold letters
Use if pleasing colors
Use simple and few words
Convey an idea
It should be placed where people pass or gather
Material: drawing papers , poster Board, crayons, water color,
bright color pencil
34. Features of good poster
BREVITY
SIMPLICITY
IDEA
LAYOUT
COLOR
DISPLAY
35. CHALK BOARDS
It is a slightly abrasive writing surface made of wood ,
,ply, hard board, cement , asbestos with black or green
paint on it.
PURPOSE:
To illustrate an example of fact
To present outlines
To give directions.
To give examination.
It is a mean of group work.
36. ADVANTAGE
It is a convenient usual and for group teaching
It is economical teaching aid
Is is a good visual aid for detail and revision
It is useful for drawing
It can easily used for giving lesson notes to students
DISADVANTAGES:
It makes students dependent on teacher
It makes chalk powder spread and inhaled
It makes a lesson routine
37. FLIP CHARTS
Flips charts are a series of charts containing visual
information about the same area of knowledge
They are illustrations made on paper and chart
They are arranged in sequence
They are bound together with string
It consists of pictorial representation
We can use flip charts to present
Types of bones for anatomy.
diet for diabetic and hypertension
38. GRAPHS
It shows numerical or quantitative relationship or
statistic data are presented in the form of visual
symbols.
It represents the quantitative data for analysis.
It helps in the interpretation of data
It helps to make comparisions
39. TYPES OF GRAPH
Line graph
Bar graph
Simple bar graph
Mutiple graph
Pie graph
Pictorial graph
40. LINE GRAPH: are used when a considerable quantity
of data is to be plotted or when the data are
continuous
41. BAR GRAPH: It consists of bars arranged in
horizontal or vertical rows.
SIMPLE BAR GRAPH : may be vertically or
horizontally arranged.
MULTIPLE BAR GRAPH: it has multiple columns
42. PIE GRAPH : the pie graph is usually drawn as circle ,
The section of which are used to represent component
parts of the whole.
43. PICTORIAL GRAPH: it is an outstanding method of
picture graphic representation.
44. ADVANTAGES
Helps to show numerical statistics
Helps in explaining, comparison among two
DISADAVANTAGES
Only statistical data
Lesson is not effectively grasped by student
Any simple mistake will change the whole statistics.
45. SPECIMEN
The specimen is a part of an object
It may represent a sample that shows quality of the
structure of the actual
USES :
1. It provides real life experiences
2. Motivate students
3. Stimulates discussion
We can use specimens
like anatomical parts.
46. BOOKLETS ,LEAFLET,PAMPHLETS
They are printed materials small in size covered bound
containing information on a subject or specific topic
and providing opportunities for learning and referring
47. FLANNEL BOARD
A flannel board is a display board made if wood ,
cardboard covered with flannel of woolen cloth
Display material like the cut outs pictures , and
drawing, light objects with rough surface like strips
and flannel strips.
48. BULLETIN BOARD
It is used for both informational and education
purposes
Atteacts attention
Promote creativeiry
Effective educational media
49. PROJECTIVE AIDS
A projected aid is one in which item to be observed are
projected on a screen using mechanical mechanical
devices
The various projective aids are
1. Slide projector
2. Microfilm projector
3. Overhead projector
50. SLIDE PROJECTOR
A small piece of transparent material on which a single
pictorial image or graphic image is placed
51. MICROFLIM PROJECTOR
Microfilm contains photographed
reading materials
When the microfilm is passed
through a microfilm reader
then an enlarged image
is formed on the screen
and the observer can
read all the matter
52. OVERHEAD PROJECTOR
Over head projector is a device for projecting a matter
which is written or drawn on a transparent sheet of
acetate on to a scree
It is very simple and easy
53. AUDIO VISUAL AIDS
Audio visual aids are the teaching methods which
could be heard and visualised at the same time
It’s the most effective method of teaching and learning
Educational materials are directed at both the sense of
hearing and sense of sight
It has a deeper impact on learning
It maintains attention
Help to retain the concepts
54. TYPES OF AUDIO VISUAL AIDS
TELEVISION
LCD PROJECTOR
COMPUTER
55. TELEVISION
Television is being acknowledged as a powerful
medium of mass education
Televsion is being used for impacting information and
distance learning
A television can bring the real outside world into
classroom
Televsion for education can be described as an
electronic chalk board
56. LIQUID CRYSTAL DISPLAY
PROJECTOR
An lcd projector is a type of video projector for
displaying video or computer data on screen
It is a modern equivalent to the slide projector
It has brighter images clear
True and natural colors
Images are easy on the eyes
57. COMPUTER
Audio visual aids strengthen an instructors verbal
presentation while helping the students capture a
specific message
It keeps the attention throughout a presentation
It helps them to remember particular information
Computers have revolutionised teaching methods and
strategies
The computer is used to aid in teaching
The students interacts with computer for learning ,
testing, immediate feedback and reinforcement
58. DEVELOPING LEARNING
RESOURCES
The effective use if audio visual aids are
PLANNING:
PREPARATION
PRESENTATION
EVALUATION
1.PLANNING: know the objective
Plan well in advance
Anticipate the problem
Anticipate the size of the audience
Plan for use if variety of colourful aids
Keep up the audience interest
Plan in advance the time of presentation.
59. PREPARATION :
Select a convenient place
Anticipate the need for lighting
Make sure all the equipment are working
Prepare by rehearsing
Arrange in sequence
Preview the order
Make a smooth presentation
60. PRESENTATION
motivate the audience
Stress the key points
Present aids at right moment
Remove all unrelated material
Speak facing the audience
Display one at a time
Display in proper sequence
61. EVALUATION:
At the end evaluate by providing discussion and
application to discover misunderstanding and doubts
Undertake follow up studies
Observe results
Hence audio visual aids are useful for the teaching
process , a great tool to catch the audience attention
and it doesn’t distract a student from learning
experience..