CRA Quantitative & Qualitative Methods 2

Question 1

A researcher wants to measure the central tendency of an ordinal scale variable. Which measure is most appropriate?

Accepted Answer

Median

Answer

The median is the most appropriate measure of central tendency for ordinal data because it respects rank order without assuming equal intervals.

Question 2

In ethnographic research, the primary data collection method is:

Accepted Answer

Participant observation

Answer

Ethnography relies on participant observation, where the researcher immerses themselves in a community to study behavior in its natural context.

Question 3

A confidence interval of 95% means that:

Accepted Answer

If repeated samples were drawn, 95% of the constructed intervals would contain the true parameter

Answer

A 95% CI is a frequentist statement: over many repeated samples, 95% of intervals constructed the same way would contain the true population parameter.

Question 4

Which type of validity refers to whether a measure accurately represents the full domain of a concept?

Accepted Answer

Content validity

Answer

Content validity assesses whether a measurement instrument covers all relevant aspects of the theoretical construct being measured.

Question 5

A researcher coding interview transcripts notices a pattern that was not part of the original research questions. This is an example of:

Accepted Answer

Inductive coding

Answer

Inductive coding involves deriving codes and themes directly from the data rather than from a pre-existing theoretical framework.

(CRA) Certified Research Associate Practice Test

(CRA) Certified Research Associate Practice Test

CRA Quantitative & Qualitative Methods 2