Claims

Differential attrition may explain the reported reduction in achievement gaps under daily online testing

Claim · All claims
Evidence · 1 study · associational r1 · q2
Currency · newest study 2021 · 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.

q2 i? Course drops nearly doubled from 32 in 2008 to 58 in 2011 when daily quizzes increased rigor, and lower-SES students drop at higher rates, so attrition could shrink the observed SES gap. → Robinson 2021

Evidence

Robinson 2021

Robinson, D. H. (2021). A Complete SMOCkery: Daily Online Testing Did Not Boost College Performance. Educational Psychology Review. https://doi.org/10.1007/s10648-020-09588-0

q2 · i? · associational · r1

Examination of the differential-attrition threat comparing drop counts across the 2008 and 2011 course offerings. The author reasons that if many dropouts were lower middle class, "any analysis would show a reduction in the performance differences between the low and high middle-class students".

"in 2008 when the psychology course was less rigorous with no daily quizzes, only 32 students dropped the course. Comparatively, in 2011 when the rigor was increased, almost twice as many students (58) dropped. Students from lower SES families unfortunately tend to drop courses at higher rates than do their richer counterparts."

Discussion

Page metadata
Field Value
type claim
id differential-attrition-may-explain-gap-reduction
title Differential attrition may explain the reported reduction in achievement gaps under daily online testing
description Differential attrition may explain the reported reduction in achievement gaps under daily online testing
status review
evidence_strength weak
newest_evidence 2021
generated by process:wiki-ingest on 2026-10-21
trust unverified — no one has confirmed this page's content
sources 1 — robinson-2021

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