NATIONAL OPEN UNIVERSITY OF NIGERIA
UNIVERSITY VILLAGE, NNAMDI AZIKIWE EXPRESS WAY,
PLOT 91, CADASTRAL ZONE, JABI ABUJA
FACULTY OF AGRICULTURAL SCIENCES
DEPT. OF AGRICULTURAL ECONOMICS AND EXTENSION.
2020_2 EXAMINATION 1234
COURSE CODE: AEM 304
CREDIT UNITS: 2
COURSE TITLE: COMMUNICATION AND AUDIO-VISUAL
TECHNIQUES
Total Score: 70 Marks
INSTRUCTION: Answer question 1(25marks) and any other 3questions
(15marks each)
Time Allowed: 2 hours
1 a)
i. State five (5) usefulness of mass media. (5marks)
ii. Outline five (5) disadvantages of mass media (5marks)
b) Define training material in communication. (5 marks)
c) i) Explain five (5) principles of effective communication.(5marks)
ii explain the attributes of Innovations. (5marks)2. Explain the differences between Interpersonal
Communication Processes of the following:
a. Information Flow (3marks)
b. Channels of Communication (3marks)
c. Noise Control (3marks)
d. Audience Size and Spread (3marks)
and Mass
e. Categorization/Choice of Audience (3marks)
3. a) Outline the nature and characteristics of Farmers. (10 marks)
b) As an extension agent, highlight how farmers learn.(5 marks)
4 Discuss the following:
a) The chalk board (6 marks)
b) How to use chalk board (2 marks)
c) Useful Techniques (2 marks)
d) Models (2 marks)
e) Displays. (3 marks)
5 A) List and explain four (4) folk indigenous channels. (10marks)
b) List two (2) message design logic: (5 marks)
.
6 a) Highlight the four (4) types of flipchart. (4 marks)
b) State the advantages and disadvantages of flip chart.( 6 marks)
c) What is a cloth board? ( 5 marks)
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