The Seven Deadly Sins of Program Evaluation . William Ashton, Ph.D. This Talk is for …. Everyone -- Especially ATOD Professionals Some Experience with Program Evaluation Cookbook Look Out For Solutions Hot Topic -- Outcomes One Step Beyond . A brief quote .
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William Ashton, Ph.D.
“Clearly, evaluation can evoke strong emotions, negative associations, and genuine fear.”
-- Michael Q. Patton
A Psych Geek Talks about Boring & Technical Research Methodology & Program Evaluation Stuff
Please See Insert 1
1. Using Bad Measures
2. Underestimating Regression
3. Underestimating Maturation
4. Underestimating Testing Effects
5. Underestimating Local History
6. Selected Groups
7. Using Bad Statistics
Please See Insert 2
Please See Insert 3
Underestimating Testing Effects
Pre-test ® Refusal Skill Training ® Post-test
Underestimating “Local History”
Participants are randomly assigned to either the control or treatment group
… or begging for a Type I Statistical Error
… or begging for a Type II Statistical Error
“Bad data is free. Good data costs money.”
-- Bill Ashton