NATIONAL OPEN UNIVERSITY OF NIGERIA EDU 823 BASIC RESEACH METHODS IN EDUCATION
14/16 AHMADU BELLO WAY, LAGOS
SCHOOL OF EDUCATION
MAY/JUNE 2013 EXAMINATION
COURSE CODE: EDU 823 (3 Units)
COURSE TITLE: BASIC RESEACH METHODS IN EDUCATION TIME: 3 HOURS
INSTRUCTION: ANSWER ANY FOUR QUESTIONS.
- (a) Discuss any FOUR ethical issues which are often encountered in the conduct of research studies. (8 marks)
(b) (i) Differentiate between population and sample (5 marks)
(ii) Discuss any FIVE situations where the entire population can be studied when carrying out a research. (5 marks)
|2.||(a)||(i)||Discuss any FOUR variables that are concerned with an|
|experimental research (8 marks)|
|(b)||(i) Explain SIX phases of observational method (6 marks)|
|(ii) Enumerate FOUR problems of observation as a method of data|
collection. (4 marks)
|3.||(a)||Discuss any FOUR major phases of interview as a source for data|
|collection. ( 8 marks)|
|(b)||If the sample mean of a set of 25 students’ scores was 59.85 with a population|
|mean of 55.|
|(i) Evaluate the t-test score of this mean when the standard deviation is 8.50.|
(ii) If t-table is 2.060, what decision can you make from b(i)?
( 4 marks)
- (a) Research methodology is an essential aspect of research project.
Discuss any FOUR components of research methodology which should be
included in your report. (8 marks)
(b) (i) Calculate the mean, median and mode of the following set of TMA1 scores in research methods: 1, 5, 9, 2, 3, 9, 6, 9, 8, 7, 10.
(ii) Explain any TWO types each of Probability and Non-probability sampling
techniques . (4 marks)
- (a) Differentiate between validity and reliability. (3 marks)
(b) (i) Describe FOUR types of validity you know (8 marks)
(ii) Explain FOUR methods of estimating reliability of research instruments. (6 marks)