No significant difference between STAC intervention and control groups in depression from baseline to 30-day follow-up¶

Claim · All claims
Evidence · 1 study · causal r2 · q3
Currency · newest study 2016 · not yet checked against its sources · not reviewed by a person

Subclaims¶

q3 i? The Time x Group interaction for depression was not significant, contrary to the hypothesis of greater depression reductions in the intervention group. → Midgett 2016

Evidence¶

Midgett 2016¶

Midgett, A., Doumas, D., Trull, R., & Johnston, A. (2016). A Randomized Controlled Study Evaluating a Brief, Bystander Bullying Intervention with Junior High School Students. Boise State University. https://eric.ed.gov/?id=EJ1146195

q3 · i? · causal · r2

GLM repeated measures ANOVA using the BASC-3 SRP-A Depression scale (sample α = .88) in the randomized controlled study of junior high students. No statistically significant difference was detected; equivalence was not tested.

"results indicated the interaction effect Time x Group was not significant for depression, Wilks' Lambda = .99, F(1, 51) = 0.34, p = .56, η 2 p = .01."

Discussion¶

Related Claims¶

• STAC intervention students showed a trend toward decreased anxiety relative to wait-list control students (p = .06) — related
• No significant differences between STAC intervention and control groups in frequency of using the STAC strategies at 30-day follow-up — related
• Junior high students in both the STAC intervention and wait-list control groups increased knowledge and confidence to intervene in bullying, with no significant group difference, suggesting carry-over effects — related
• STAC-trained junior high students reported a significantly greater ability to identify bullying at 30-day follow-up than wait-list control students — related