CRP Research Design & Methodology 3

Question 1

A researcher conducts multiple statistical tests on the same dataset without correction. What error is most likely to increase?

Accepted Answer

Type I error rate

Answer

Conducting multiple tests inflates the Type I error rate (false positive rate), making it more likely to find spurious significant results.

Question 2

Which concept describes the degree to which an instrument measures what it claims to measure?

Accepted Answer

Validity

Answer

Validity refers to whether a measurement instrument accurately measures the construct it is intended to assess.

Question 3

In which research design does the same group of participants serve as both the experimental and control group at different time points?

Accepted Answer

Within-subjects (repeated measures) design

Answer

In a within-subjects design, each participant experiences all conditions, serving as their own control across time points.

Question 4

A qualitative researcher conducts member checking by returning findings to participants for verification. This practice enhances:

Accepted Answer

Credibility (internal validity equivalent)

Answer

Member checking enhances credibility in qualitative research by allowing participants to confirm the accuracy of the researcher's interpretations.

Question 5

When a study's results cannot be applied beyond the specific sample studied, the research lacks:

Accepted Answer

External validity

Answer

External validity refers to the generalizability of findings to other populations, settings, and time periods beyond the specific study.

(CRP) Certified Research Professional Practice Test