The role model letter lowered the DEW (fail/withdraw) rate for women in introductory psychology (OR = .38)¶
Claim · All claims
Evidence · 1 study · causalr2·q3
Currency · newest study 2016 · not yet checked against its sources · not reviewed by a person
Subclaims¶
Reading the evidence codes
q is the design tier, i the impact, n the sample, and the kind with its r
the rigour judged within that kind: what each code means.
This claim: no standardized effect is recorded in observations/ for it yet, so no benchmark reading is possible.
q3 i? Women in the intervention condition had lower odds of receiving a grade of D, E, or W in introductory psychology than controls (odds ratio .38, a 62% reduction). → Herrmann et al. 2016
Evidence¶
Herrmann et al. 2016¶
Sarah D. Herrmann, Robert Mark Adelman, Jessica E. Bodford, Oliver Graudejus, Morris A. Okun, and Virginia S. Y. Kwan (2016). The Effects of a Female Role Model on Academic Performance and Persistence of Women in STEM Courses. Basic and Applied Social Psychology, 38(5), 258-268. https://doi.org/10.1080/01973533.2016.1209757
q3 · i? · causal · r2
DEW outcome in the same randomized psychology-course study (n à 240 with consent), coded 0 for A/B/C and 1 for D/E/W. The article reports "The odds ratio of .38", with 23 DEWs in control versus 10 in intervention; no standardized effect size was printed.
"The odds of receiving a DEW were .24 to 1 in the control group (23 participants had a DEW and 96 did not) and .09 to 1 in the intervention group (10 participants had a DEW and 111 did not). The odds ratio of .38 indicates that the odds of receiving a DEW in the intervention condition were 62% less than in the control condition."
Discussion¶
Learner Variables¶
- Gender — moderator: an instructional effect differs by group
Related Claims¶
- The role model letter raised course grades for women in introductory chemistry with a medium-to-large effect (d = .66) — related
- Reading a brief online female role model letter raised course grades for women in an introductory psychology course (d = .24) — related
- The role model letter lowered the DEW rate for women in introductory chemistry (OR = .23) — related
- FOCUS Intervention students were significantly less likely to withdraw from College Algebra than a baseline comparison group (OR = 0.22, a large effect) — related
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