CRP Fundamentals & Core Principles 3

Question 1

Which of the following BEST describes the concept of 'construct validity'?

Accepted Answer

The extent to which a test measures what it claims to measure

Answer

Construct validity is the extent to which a measure accurately captures the theoretical construct it is designed to assess.

Question 2

In research ethics, the principle of 'justice' primarily refers to:

Accepted Answer

Ensuring equitable distribution of research benefits and burdens

Answer

The Belmont Report defines justice as the fair distribution of research benefits and burdens across all segments of society.

Question 3

A researcher tests whether a new teaching method improves student test scores by comparing two groups. What is the dependent variable?

Accepted Answer

The student test scores

Answer

The dependent variable is the outcome being measured — in this case, the student test scores that may be influenced by the teaching method.

Question 4

Which sampling method ensures every member of the population has an equal and known chance of being selected?

Accepted Answer

Simple random sampling

Answer

Simple random sampling gives each population member an equal probability of selection, minimizing selection bias.

Question 5

What is a 'confounding variable' in research?

Accepted Answer

An extraneous variable that correlates with both the independent and dependent variables

Answer

A confounding variable is an uncontrolled factor that correlates with both the independent and dependent variables, potentially distorting results.

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