Chemical Dependency Counselor CCDC Exam Research & Evidence-Based Practice 2 — Questions and Answers
Question 1: Which statistical measure describes how much individual scores in a dataset deviate from the mean?
- Standard deviation (Correct answer)
- Median
- Mode
- Confidence interval
Correct answer: Standard deviation
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?
- Expert opinion
- Case studies
- Systematic reviews and meta-analyses (Correct answer)
- Cohort studies
Correct answer: Systematic reviews and meta-analyses
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:
- Diagnose substance use disorder
- Screen for potential alcohol problems (Correct answer)
- Measure treatment outcomes
- Assign a DSM diagnosis
Correct answer: Screen for potential alcohol problems
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?
- Case study
- Randomized controlled trial (RCT) (Correct answer)
- Cross-sectional survey
- Ethnography
Correct answer: Randomized controlled trial (RCT)
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?
- Whether the findings match their clinical intuition
- The relevance and quality of the research design (Correct answer)
- The publication journal's impact factor
- The number of references cited
Correct answer: The relevance and quality of the research design
Critical appraisal begins with evaluating the appropriateness and rigor of the research design for the question studied.
Question 6: The Transtheoretical Model's 'processes of change' refers to:
- Stages clients move through during recovery
- Strategies and techniques that facilitate movement between stages (Correct answer)
- Cognitive distortions that impede recovery
- Biological mechanisms of addiction
Correct answer: Strategies and techniques that facilitate movement between stages
Processes of change are the experiential and behavioral strategies counselors and clients use to progress through the stages.
Question 7: Which outcome measure is most appropriate for tracking a client's alcohol use frequency over time in treatment?
- Beck Depression Inventory
- Timeline Followback (TLFB) (Correct answer)
- AUDIT-C
- ASI composite score
Correct answer: Timeline Followback (TLFB)
The Timeline Followback is a validated calendar-based method for retrospectively assessing daily substance use patterns.
Chemical Dependency Counselor CCDC Exam Research & Evidence-Based Practice 2
Which statistical measure describes how much individual scores in a dataset deviate from the mean?