CRS Data Collection & Analysis 3

Question 1

Stratified random sampling divides the population into subgroups before sampling primarily to:

Accepted Answer

Ensure representation of all key subgroups

Answer

Stratification ensures that important subgroups are proportionally or adequately represented in the final sample.

Question 2

In a Likert scale, asking 'I find this software easy to use' with responses from Strongly Disagree to Strongly Agree produces what level of data?

Accepted Answer

Ordinal

Answer

Likert scales produce ordinal data because the categories have a meaningful order but the intervals between them are not necessarily equal.

Question 3

Which qualitative data collection method involves in-depth conversation with a single participant guided by broad, open topics?

Accepted Answer

Unstructured interview

Answer

Unstructured interviews use open-ended questions and flexible conversation flow to explore a participant's perspectives in depth.

Question 4

Content analysis is best described as a method for:

Accepted Answer

Systematically analyzing patterns in text or media

Answer

Content analysis involves coding and categorizing text, images, or other media to identify patterns or themes systematically.

Question 5

A correlation coefficient of -0.85 between two variables indicates:

Accepted Answer

A strong negative relationship

Answer

A coefficient near -1 indicates a strong inverse relationship: as one variable increases, the other decreases.

(CRS) Certified Research Specialist Practice Test