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RME620S - BASIC RESEARCH METHODOLOGY - 2ND OPP - JAN 2020 |
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NAMIBIA UNIVERSITY
OF SCIENCE AND TECHNOLOGY
FACULTY OF NATURAL RESOURCES AND SPATIAL SCIENCES
DEPARTMENT OF AGRICULTURE AND NATURAL RESOURCES SCIENCES
QUALIFICATION: BACHELOR OF AGRICULTURE
QUALIFICATION CODE: 07BAGR
LEVEL: 6
COURSE CODE: RME620S
COURSE NAME: BASIC RESEARCH METHODOLOGY
SESSION:
DURATION:
JANUARY 2020
3 HOURS
PAPER: THEORY
MARKS: 100
SUPPLEMENTARY / SECOND OPPORTUNITY EXAMINATION QUESTION PAPER
EXAMINER(S): MR BRIAN J. MHANGO
MODERATOR: DR TENDAI NZUMA
INSTRUCTIONS
Marks for each question are indicated
Provide your name and student number on the answer booklets
Answer each question on a separate answer sheet
Write clearly and neatly.
Number the answers clearly.
PERMISSIBLE MATERIALS
1. All written work MUST be done in blue or black ink
2. No books, notes and other additional aids are allowed
3. Youare allowed to use a scientific calculator in the examination
THIS QUESTION PAPER CONSISTS OF 3 PAGES (Excluding this front page)
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Basic Research Methodology
RME620S
ANSWER ALL THE QUESTIONS [100 MARKS]
QUESTION 1
Choose the correct answer:
a)
is a framework or blueprint for conducting the research project. It specifies the details of the
procedures necessary for obtaining the information needed to structure and/or solve research problems.
A. Problem question
B. Research design
C. Design formulation
D. None of the above
b) The primary objective of
confronting the researcher.
is to provide insights into, and an understanding of, the problem
Exploratory research
Conclusive research
Causal research
Descriptive research
¢) Cross-sectional and longitudinal designs are types of
Causal research
Exploratory research
Descriptive research
None of the above
d) Which of the objectives below would best represent conclusive research?
Describe market characteristics or functions
Determine cause and effect relationships
Provide insights and understanding
Test specific hypotheses and examine relationships
Which of the following statements is not true about exploratory research?
It is flexible.
It is a pre-planned and structured design.
It is versatile.
It is often the front end of total research design.
(10)
Supplementary Examination
Page 2 of 4
January 2020
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Basic Research Methodology
RME620S
QUESTION 2
The following table gives average monthly mahangu yield on ten farms in northern Namibia:
[ Yield(kg/ha): | 1780 | 1760 | 1690 | 1750 | | 1840 | 1920 | 1100 | 1810 | 1050 | 1950 |
Based on these yields find both the position and values of yields at Q1, Q2 and Q3. Please show and explain
your calculations.
(10)
QUESTION 3
An agronomists assumes that amount a fertiliser applied to tomato plants and the subsequent yield are linearly
related. The agronomist planted 8 tomato plants of the same variety randomly selected and treated with X
grams of fertilizer. The yield, Y kilograms of tomato was recorded (see table below):
Plant
A
B
Cc
D
E
F
G
H
X
1
1.5
2
2.5
3
3.5
4
4.5
Y
3.9
4.4
5.8
6.6
7
7.1
7.3
77
a) Plot scatter diagram of yield versus fertilizer application
(4)
b) Determine the correlation coefficient
(10)
c) Determine the regression equation line ofY on X
(10)
d) Estimate the yield with an application of 32 grams of the fertilizer
(6)
[30]
QUESTION 4
Discuss four possible scenarios that may arise regarding validity and reliability with respect to accuracy and
random errors in a research process.
(10)
QUESTION 5
Discuss what we mean by methodology in research as opposed to method.
(10)
Supplementary Examination
Page 3 of 4
January 2020