NATIONAL OPEN UNIVERSITY OF NIGERIA1234
FACULTY OF HEALTH SCIENCES
DEPARTMENT OF ENVIRONMENTAL HEALTH SCIENCE
2020_2 EXAMINATION
COURSE CODE: EHS 407 TIME ALLOWED: 2 HOURS 30 MIN
COURSE TITLE: RESEARCH METHODOLOGY AND PROPOSAL WRITING
COURSE UNITS: 3 CREDIT UNITS TOTAL SCORE: 70 MARKS
Instruction: Answer ALL questions
QUESTION NO. 1
Distinguish between Research methods and Research Methodology (5marks)
State six importance of research to man (6marks)
Make a brief comparison between ‘laboratory’ and ‘library’ research. (4marks)
Question No. 2
What is a secondary data? (2marks)
Describe in details the following instruments of data collection
Interview (7marks)
Questionnaire (7marks)
Question No. 3
What is an experimental design? (2marks)
List any five (5) common experimental designs you have studied (5marks)
Briefly describe any three of the designs listed 3b above (9marks)Question No. 4
What is data processing? (2marks)
Describe in details the following data processing steps
i) Editing
ii) Coding
iii) Classification (15marks)
State the principal differences between a research proposal and a research (project) report
(6 marks)
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