MEDIA
EFFECTIVENESS
Media Selection Factors:
Media
is the mode of message communication. It
enables the learner to acquire knowledge Communication
of the content is considered as the most important factor in the
teaching-learning process. Selection
of the most appropriate media is very essential to achieve the desired goals. The
selected media should be closely related to the selected instructional method.
·
Elements of Media Selection:
Instructional
Objectives, Nature of the subject matter, Nature of the child, Classroom
environment, etc.
Factors Affecting Media
Effectiveness:
1. Task
Factor:
A
task is a work or an assigned duty for implementation.
Here
the kind of task and type of learner is very important.
Elements
of Task Factor:
a. Organisation
of the groups:- select the media according to the size and capacity of the
groups. A motion picture is enough for a large group audience.
Individualized
instructions such as Linear Programming, Branching, Keller Plan, etc. are
enough for a single group.
b. Utilisation
of time:- the media must be suit with available time, neither exceed nor too
short. A one hour TV program is not suit for a 40 minutes of normal classroom.
c. Use
of space:- arrange enough space for the
select media. Ensure that adequate infrastructural facilities are provided.
Steps
to overcome the problems regarding task factor:
i)
Preliminary selection is made on Factual
information, visual identification, pronunciation, etc
ii)
Check the constraints related to
hardware, software, etc.
iii)
Check the instructional requirements
including participation, practice, sound, motion, colour, etc.
2. Learner Factor:
§ Learner
is the most important aspect in the teaching-learning process.
§ Main
objective of learning process is to bring positive changes in the learner.
§ Learner’s
individual differences are very important, so select the learning strategy
according to their intellectual differences.
§ Selected
media should be meet the objectives belonging to the three domains – Cognitive,
Affective & Psychomotor.
3. Instructional
Management Factor:
ü Management
of instruction should cope with the selected media is important
ü Different
objectives are achieved in different ways, such as-
Independent Learning, Interactive
Learning, Co-operative Learning, Formal Classroom Teaching, etc.
ü It
is the choice of the teacher to select the most appropriate teaching strategy
ü There
are two types of Approaches:
1. Expository Approach:- if the media is used mostly for formal
presentation of information under the control of the teacher, it is called
Expository Approach. Film Strips, Motion Pictures, OHP, etc. are examples.
2.
Enquiry
Approach:- if
the information would be processed
by the students who would be guided by posing questions raising issues for
which solutions have to be arrived at, is called Enquiry Approach. Example: Project Method
4.
Economic Factor:
Select
media according to its appropriateness, level of sophistication, cost
effectiveness, technical quality, etc. Cost
should be compared with the anticipated benefits Cost
benefit analysis is necessary
Steps in Cost benefit Analysis:
a. Select
and list all the available media
b. Shortlist
them for instructional effects
c. Check
availability of each media
d. Select
the simplest and least expensive media
5.
Technical Factor:
Ø Ensuring
technical quality is essential to avoid ineffectiveness and poor quality media
Ø Never
use any poor quality media in the classroom. It will leads misunderstanding
Ø Teacher
should have sufficient technical knowledge and well experienced in using modern
devices
Ø Ensure
infrastructural arrangements also
6.
Administrative Factor:
v It
is the management functions of any system
Elements
of Administration:
i.
Organisation of Group : provide
materials for the type groups, such as Single Group, Small Group and Large
Group
ii.
Allocation of Space: here consider the
duration of the given program and arrange adequate seating facilities
iii.
Allocation of Time: time should be
suitable to meet the desired tasks
RATIONALE IN MEDIA SELECTION
The
media should permit the learner ample opportunities for active participation in
the learning process. It
should be capable of transmitting the desired information It
should stimulate the thinking the
process of the learner It
should be arouse the curiosity of the learner It
should inculcate creativity and develop
desired skills
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