CHES Evaluation and Research Methods 2

Question 1

Which evaluation design uses randomization to assign participants to intervention and control groups?

Accepted Answer

Randomized controlled trial

Answer

A randomized controlled trial (RCT) randomly assigns participants to groups, providing the strongest evidence for causality.

Question 2

A health educator wants to understand participants' lived experiences with diabetes management. Which data collection approach is most appropriate?

Accepted Answer

In-depth qualitative interviews

Answer

In-depth qualitative interviews best capture subjective lived experiences and personal meanings participants attach to health behaviors.

Question 3

Internal validity in a health education study refers to:

Accepted Answer

The confidence that observed outcomes are caused by the intervention

Answer

Internal validity is the extent to which a causal relationship between the intervention and outcome can be confidently concluded.

Question 4

A Gantt chart is most useful in program evaluation for:

Accepted Answer

Tracking project timelines and activity milestones

Answer

A Gantt chart is a project management tool that visually displays tasks, timelines, and milestones for program planning and monitoring.

Question 5

Which measure of central tendency is most resistant to extreme outliers?

Accepted Answer

Median

Answer

The median is the middle value and is not mathematically affected by extreme scores, making it more robust than the mean.

CHES - Certified Health Education Specialist Practice Test