A free, voluntary continuing education workshop in EBP is offered to practitioners in a large agency. Several months after the workshop is provided, a program evaluator finds that workshop attendees are much more likely to be engaging in EBP than those who did not attend. From this information we can conclude that:
A) the workshop was effective.
B) the difference in outcome might be due to a selectivity bias.
C) the study had a high degree of internal validity.
D) Both a and c are correct.

Question

Quizplus · Accepted Answer

The difference in outcome might be due to a selectivity bias, as those who chose to attend the workshop may have already been more inclined to engage in EBP, rather than the workshop itself being the cause of increased engagement.

A Free, Voluntary Continuing Education Workshop in EBP Is Offered