Claims

High-achieving students who fell below the 90th percentile typically stayed at the 70th percentile or higher

Claim · All claims
Evidence · 1 study · associational r2 · q2
Currency · newest study 2013 · not yet checked against its sources · not reviewed by a person · overdue for a recheck since 2018: baselines and conditions change

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? Students who fell below the 90th percentile typically remained at the 70th percentile or higher rather than dropping far in the distribution. → Yun Xiang 2013

Evidence

Yun Xiang 2013

Yun Xiang, Michael Dahlin, John Cronin, Robert Theaker, Sarah Durant. (2013). Do high flyers maintain their altitude? Performance trends of top students. NWEA Research white paper, Thomas B. Fordham Institute. https://www.nwea.org/research/publication/do-high-flyers-maintain-their-altitude-performance-trends-of-top-students/

q2 · i? · associational · r2

In the same longitudinal tracking of top students, the study reports that "Students who fell below the 90th percentile typically stayed at the 70th percentile or higher," indicating relative decline was usually modest. No effect size or count is printed.

"Students who fell below the 90th percentile typically stayed at the 70th percentile or higher."

Discussion

Page metadata
Field Value
type claim
id fallen-high-flyers-stay-70th-percentile-or-higher
title High-achieving students who fell below the 90th percentile typically stayed at the 70th percentile or higher
description High-achieving students who fell below the 90th percentile typically stayed at the 70th percentile or higher
status review
evidence_strength moderate
newest_evidence 2013
recheck_by 2018
generated by process:wiki-ingest on 2026-10-08
trust unverified — no one has confirmed this page's content
sources 1 — yun-xiang-2013

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