Claims

Across countries in TIMSS 2007, the strongest estimated effects on math achievement were a positive effect of ClassMemo followed by a negative effect of ClassDaily, with median effects matching the Swedish pattern

Claim · All claims
Evidence · 1 study · associational r2 · q2
Currency · newest study 2019 · 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? Separate multi-level analyses of each of the 50 countries in TIMSS 2007 showed the strongest estimated effects were positive for ClassMemo and negative for ClassDaily, and median effects across countries had the same direction as in Sweden. → Kimmo Eriksson 2019

Evidence

Kimmo Eriksson 2019

Kimmo Eriksson, Ola Helenius, Andreas Ryve. (2019). Using TIMSS items to evaluate the effectiveness of different instructional practices. Instructional Science. https://doi.org/10.1007/s11251-018-9473-1

q2 · i? · associational · r2

Multi-level analyses run separately on data from each of the 45 countries in TIMSS 2003 and 50 countries in TIMSS 2007; median and mean fixed-effect estimates are reported in Table 5. The article reports qualitative consistency across waves and with the Swedish findings; no standardized effect size is printed.

"Note that the strongest estimated effects on achievement were the positive effect of ClassMemo followed by the negative effect of ClassDaily."

Discussion

Page metadata
Field Value
type claim
id international-timss-2007-median-effects
title Across countries in TIMSS 2007, the strongest estimated effects on math achievement were a positive effect of ClassMemo followed by a negative effect of ClassDaily, with median effects matching the Swedish pattern
description Across countries in TIMSS 2007, the strongest estimated effects on math achievement were a positive effect of ClassMemo followed by a negative effect of ClassDaily, with median effects matching the Swedish pattern
status review
evidence_strength moderate
newest_evidence 2019
generated by process:wiki-ingest on 2026-10-18
trust unverified — no one has confirmed this page's content
sources 1 — kimmo-eriksson-2019

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