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Tuesday, September 10, 2013

PPT On Audio Visual Aids


Audio Visual Aids Presentation Transcript:

2.INTRODUCTION:- Audio Visual Aids are sensitive tools used in teaching learning process. These are planned educational materials that appeal to the senses of the people. It quickens learning and facilitates for clear understanding.
A chine proverb, if I hear, I forget, If I see I remember, If I do I understand says the importance of sensory perception in teaching learning situation.

3.COMMON A.V. Aids used for teaching of Nursing Students:-
Classification as Projected & Non Projected A.V. Aids:-
Projected A.V. Aids:- Overhead Projector, Osiloscope, Film Projector, Slide Projectors, Power Projectors etc.
Non-Projected A.V. Aids:-
Graphic Aids:- Graphs, Charts, Posters, Diagrams, Flash cards, Flip Charts, Fiannel & Khaddi graph, maps, pictures etc.

4.Three Dimensional Aids:- Objects, Specimen, models, puppets etc.
Display Boards:- Black Boards, White Boards, Bulletin Board, Magnetic Board etc.
Print Material:- Pamphlets, Booklet, Leaflets etc.
Audio Aids:- Dramatics, Demonstrations, Field Trips, Computer Assisted Instructions etc.
Non Projected A.V. Aids:- Flip Chart, Flash Cards, Charts, Poster

5.FLIP CHART:- These are the type of chart:-
A teacher has to prepare by incorporating his own ideas and lines of approach of the specific topic are more useful.
The flip charts are a set of charts related to specific topic.
These are tagged together and hang on a supporting stand.
The individual charts will carry a series of related messages in sequences
The salient points of specific topic will be presented.

6.POSTER:- A poster is an informational or educational tool with which we can reach many people in many locations. It is a visual combination of an illustration of message conveyed to people.
The purposes of posters are:
To provide general intervention.
To create an aesthetic or atmospheric effect.
To communicate a more general idea.
To thrust the message for leading to action
Used for teaching in the classroom and in the community

7.Advantages of using Poster
The advantages of using posters are:
It attracts attention
It conveys the message very quickly
It does not require a detailed study
Good poster leads to action with good motivation
It can stand alone and is self explanatory
Disadvantages of using Posters:
The disadvantages of their use are:
Poster does not always give enough information
When a poster is seen too often, it becomes a part of the environment and then no longer attracts attention

8.Features of a Good Poster

Chart is defined as a visual symbol summarizing, comparing, contrasting or performing other helpful services in explaining the subject matter. It is meant to depict pictorial and written information in a systematic way by effective arrangement of the key facts.
Its purposes are:
To visualize an item, it is otherwise difficult to explain only in words
To highlight important points
To provide outline of materials covered in presentation

Its advantages are:
It is an effective tool for learning
It arouses interest
It involves a low cost
Is portable
Is easy to make
Is available for use and reuse
It is used to explain, clarify, simplify the complicated materials
It can be used to compare and show relationships.
It attracts attention, reduces the amount of verbal explanation and encourages action
Its disadvantages are:
Charts cannot be used for large groups
It cannot be used for illiterate group

Some of the types that are available are:
Table chart
Wall Chart
Flow Chart
Flip Chart
Pull Chart
All the charts are made of locally available chart paper (Size 20”x30” or 30”x40”)

12.Features of a Good Chart
Should be sufficiently large to be seen easily
Should be clear, simple and not overcrowded with facts
Should be attractive and should tell about the theme in detail
Should highlight the main points
Should be in symbols and words and have few comparisons
Should be strong enough to stand the rough use.

Flash cards are a set of pictured compact paper cards of varying sizes that are flashed one by one in a logical sequence. Flash cards can be self made or commercially prepared and are made up of chart or drawing paper, plain paper using colors or ink on them for drawings.

Flash cards are commonly used to
Teach the students
Give health education
Hold or lead a discussion
Narrate a story
Teach a process

Attracts attention
Conveys messages quickly
It is dynamic and flexible, maintains continuity
Easy to prepare, portable, economic
Can be used for illiterate group
Cannot be used for a large group
Prone to get spoiled soon
It is time consuming during preparation 

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