41.
Researchers who use narrative records seek to provide a verbal summary of observations and to develop a theory that explains behaviour in the narrative records. This approach to data analysis represents

42.
Consider the following statements
A control group is
1. a condition of the independent variable that receives treatment.
2. a condition of the independent variable that does not receive treatment.
3. used for comparison purposes of the statements.
Which of the statements given above is/are correct?

45.
Match the following:
List-I (Nature of Variance) List-II (Source of Variance)
A. Systematic variance 1. Methodological artifacts
B. Error variance 2. Effect of IV
C. Extraneous variance 3. Uncontrolled factors

48.
Which of the following are the techniques to control extraneous variables?
1. Elimination
2. Balancing
3. Constancy in the condition
4. Randomisation
5. Theoretical consideration
6. Counter balancing
Select the correct answer:

49.
In an experiment, after completing conditioning once, an injection of a drug affecting neuro transmitter substance was given to the affecting neuro transmitter substance was given to the subject. Then, the subject was conditioned again. In this experiment, what were bio-chemical changes treated as?

50.
Which among the following is a study to evaluate the frequency with which something occurs or with which it is associated with something else?