Claims

Primary school findings have low to moderate security while secondary school findings have low security

Claim · All claims
Evidence · 1 study · causal r1 · q3
Currency · newest study 2017 · 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? The primary school findings have low to moderate security, while the secondary school findings have low security due to important differences in GCSE grades between intervention and comparison schools. → West 2017

Evidence

West 2017

West, M., Ainscow, M., Wigelsworth, M., & Troncoso, P. (2017). Challenge the Gap: Evaluation report and executive summary. Education Endowment Foundation. https://eric.ed.gov/?id=ED581102

q3 · i? · causal · r1

EEF security rating explanation for the matched-comparison design, noting fewer than 5% of pupils were excluded from analysis and that the trial was a large but weakly matched comparison design.

"In the secondary schools there were som e important differences in GCSE grades between the schools that received the intervention and schools in the comparison group, which resulted in the lower security rating."

Discussion

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