Appendix B: Minimum Detectable Effects

Appendix B: Minimum Detectable Effect Sizes

Average Minimum Detectable Effect Sizes for Priority Student Outcomes

Current CARES sample sizes

Scenario Parameters
Blocks	26
Centers per Block	2
Classrooms per Center	2.39
Students per Classroom	8
Priority Outcomes
Child Cognitive Measures
Woodcock-Johnson: Letter-Word Identification	0.23
Expressive One-Word Picture Vocab Test	0.12
Woodcock-Johnson: Applied Problems	0.20
Child Social Emotional Measures & Executive Functioning
Behavior Problems Index (BPI): Total	0.24
Social Skills Rating Scale (SSRS): Social Skills/Cooperative Classroom Behavior	0.27
Challenging Situations Task (CST): Aggressive	0.18

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