Chemical Dependency Counselor CCDC Exam Research & Evidence-Based Practice 2

Question 1

Which statistical measure describes how much individual scores in a dataset deviate from the mean?

Accepted Answer

Standard deviation

Answer

Standard deviation quantifies the spread of scores around the mean in a distribution.

Question 2

In evidence-based practice, which hierarchy of evidence is generally considered the strongest?

Accepted Answer

Systematic reviews and meta-analyses

Answer

Systematic reviews and meta-analyses synthesize multiple RCTs, placing them at the top of the evidence hierarchy.

Question 3

A counselor uses the CAGE questionnaire during intake. This is an example of using a validated tool to:

Accepted Answer

Screen for potential alcohol problems

Answer

The CAGE is a brief validated screening tool used to identify possible alcohol use problems, not provide formal diagnosis.

Question 4

Which research design uses a control group and random assignment to evaluate treatment effectiveness?

Accepted Answer

Randomized controlled trial (RCT)

Answer

RCTs use random assignment and control groups, making them the gold standard for evaluating treatment effectiveness.

Question 5

When a counselor critically appraises a research article, which element should they evaluate first?

Accepted Answer

The relevance and quality of the research design

Answer

Critical appraisal begins with evaluating the appropriateness and rigor of the research design for the question studied.

Chemical Dependency Counselor CCDC Exam Practice Test