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NATIONAL OPEN UNIVERSITY OF NIGERIA
UNIVERSITY VILLAGE, PLOT 91, CASDASTRAL ZONE, NNAMDI AZIKIWE EXPRESS WAY, JABI, ABUJA.
FACULTY OF MANAGEMENT SCIENCES
JANUARY/FEBRUARY 2013 EXAMINATION
Course Code: MBA 825 Credit Units: 2
Course Title: Research Design & Methodology
Time Allowed: 2 HOURS
Instructions: 1. Attempt question number one (1) and any other two (2).
2. Question number 1 is compulsory and carries 30 marks while the other 2 questions carry 20 marks each.
3. Present all your points in coherent and orderly manner.
1. (a) Enumerate ten (10) problems of research in developing countries and discuss any two (2).
(b) Give a pictorial representation of the difference between population and sample.
(c) Mention and explain any five sources of a Research topic. 30marks
2. (a) Consider a population size of N = 500, with a sampling error of 5%.What will be the required sample size, using the famous Taro Yamane’s formula?
(b) Mention and discuss any five (5) elements of a Research Design.
(c). Give the formula of a sample size for Mean values.
- (a) Explain the fundamental importance of validity in the choice of Research Design.
(b) Mention and discuss briefly types of Research Validity.
(c) Itemize types of Research Design you have studied.
- (a) Examine the following Research concepts
- Variables
- Hypotheses
(b) Differentiate between constant and variable in a Research Process.
(c) List three characteristics of a Researchable Hypothesis.
- (a) How does internal Research proposal differ from an external Research proposal?
(b) Enumerate the activities necessary in a scientific Research Process. Explain why they are important.
(c) Why is it advisable for a Research to embrace Research ethics?
