BS Research Methods and Statistics 3

Question 1

What is the primary purpose of a literature review in a research paper?

Accepted Answer

To summarize existing knowledge and identify gaps in research

Answer

To present original data collected during the study

Answer

To describe the methodology used

Answer

To list the references in alphabetical order

Question 2

What does the term 'validity' refer to in research design?

Accepted Answer

Whether the study measures what it is intended to measure

Answer

Whether results can be reproduced consistently

Answer

The size of the sample used

Answer

The level of statistical significance achieved

Question 3

Which type of correlation coefficient value indicates a perfect positive relationship?

Accepted Answer

+1.0

Answer

-1.0

Answer

0.0

Answer

+0.5

Question 4

What is an independent variable in an experiment?

Accepted Answer

The variable the researcher manipulates to observe its effect

Answer

The variable that is measured as the outcome

Answer

A variable held constant throughout the study

Answer

A variable that cannot be controlled

Question 5

What does 'reliability' mean in the context of measurement?

Accepted Answer

The consistency of a measurement over repeated trials

Answer

The accuracy of the measurement instrument

Answer

The ability to generalize results to a larger population

Answer

The ethical soundness of the research design

Question 6

What is a confounding variable?

Accepted Answer

An uncontrolled variable that may influence the dependent variable

Answer

The primary variable being studied

Answer

A variable that has no effect on the outcome

Answer

A variable introduced intentionally by the researcher