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Scg 3100: Research Methodology Question Paper

Scg 3100: Research Methodology

Course:Bachelor Of Science In Physics

Institution: Jomo Kenyatta University Of Agriculture And Technology question papers

Exam Year:2012

JOMO KENYATTA UNIVERSITY OF AGRICULTURE AND TECHNOLOGY
UNIVERSITY EXAMINATIONS 2012/2013
EXAMINATION FOR THE DEGREE OF BACHELOR OF SCIENCE IN PHYSICS
SCG 3100: RESEARCH METHODOLOGY
DATE: AUGUST 2012 TIME: 2 HOURS
INSTRUCTIONS: ANSWER QUESTION ONE AND ANY OTHER TWO QUESTIONS
QUESTION ONE
a. i. Define research. [1 mark]
ii. Outline any FOUR reasons for carrying out scientific research. [2 marks]
iii. Describe any FOUR sources of knowledge. [2 marks]
b. i. Outline any FOUR sources of information used in literature review. [2 marks]
ii. Explain the necessity for carrying out literature search prior to any research work.
[3 marks]
iii. Outline precautions to be observed when carrying out literature review. [3 marks]
c. i. Define a hypothesis. [1 mark]
ii. Why are objectives stated in any research? [3 marks]
iii. Outline any FOUR characteristics of well stated specific objectives. [4 marks]
d. i. Explain the meaning of the following in relation to experiments;
- Replication
- Randomization [2 marks]
ii. Describe the following procedures;
- Stratified random sampling
- Simulations [2 marks]
e. Explain what is meant by an abstract, describing its contents in a thesis. [2 marks]

QUESTION TWO
a. i. Outline any THREE advantages and THREE disadvantages of using a questionnaire as research tool. [6 marks]
ii. Define ‘pre-testing’ of a questionnaire and outline any FOUR reasons why it is important. [4 marks]
b. i. Explain any FIVE advantages of using interviews compared to questionnaires. [5 marks]
ii. Explain any advantages of using a tape recorder when carrying out interviews. [2 marks]
c. Give an example of a ‘matrix’ question used in a questionnaire and outline TWO advantages of such questions. [3 marks]
QUESTION THREE
a. Briefly describe the following types of research, giving ONE advantages and disadvantages of each;
i. Field experiment
ii. Case study research
iii. Ex Post Factor research [12 marks]
b. Describe the following types of experimental designs;
i. One-shot case study
ii. Time series experimental design
iii. Static group comparison design [3 marks]
c. i. Distinguish between ‘external’ and ‘interval’ validity in experimental designs. [2 marks]
ii. Outline any THREE factors that affect interval validity. [3 marks]

QUESTION FOUR
a. I. Explain the following statistical terms;
i. Mode
ii. Mean
iii. Median
iv. Standard deviation
v. Chi-square test [5 marks]
II. Describe regression analysis and outline any FOUR assumptions made in this analysis.
[5 marks]
b. Outline any FOUR ethical issues in research. [4 marks]
c. Describe the following methods of data representation
i. Cumulative frequency graphs
ii. Frequency histogram
iii. Bar charts [6 marks]

Scg 3100: Research Methodology Question Paper

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