Claims

Cognitive Tutor Algebra I students significantly outscored peers on standardized tests by about 0.3 SDs and by 85% on problem-solving and multiple-representation tests, with effect sizes of 0.7 to 1.2 SDs

Claim · All claims
Evidence · 1 study · review r1 · q3 · i2 medium
Currency · newest study 2007 · 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 i2 In Pittsburgh and Milwaukee studies, Cognitive Tutor students significantly outscored peers on standardized tests by about 0.3 SDs, with effect sizes of 0.7 to 1.2 SDs on problem solving and multiple representations. → Ritter 2007

Evidence

Ritter 2007

Ritter, S., Anderson, J. R., Koedinger, K. R., & Corbett, A. (2007). Cognitive Tutor: Applied research in mathematics education. Psychonomic Bulletin & Review, 14(2), 249-255. https://doi.org/10.3758/bf03194060

q3 · i2 · review · r1

Studies of the Algebra I Cognitive Tutor conducted in Pittsburgh and Milwaukee, in which students were tested on standardized tests (SAT and Iowa) and on performance-based problem solving. The article reports Cognitive Tutor students "outscored their peers by 85%" on problem solving and multiple representations, with effect sizes ranging from 0.7 to 1.2 SDs.

"Cognitive Tutor students significantly outscored their peers on the standardized tests (by about 0.3 SDs), but the difference in performance was particularly pronounced on tests of problem solving and multiple representations, on which the Cognitive Tutor students outscored their peers by 85%, representing effect sizes ranging from 0.7 to 1.2 SDs."

Discussion

Page metadata
Field Value
type claim
id cognitive-tutor-algebra-standardized-test-advantage
title Cognitive Tutor Algebra I students significantly outscored peers on standardized tests by about 0.3 SDs and by 85% on problem-solving and multiple-representation tests, with effect sizes of 0.7 to 1.2 SDs
description Cognitive Tutor Algebra I students significantly outscored peers on standardized tests by about 0.3 SDs and by 85% on problem-solving and multiple-representation tests, with effect sizes of 0.7 to 1.2 SDs
status review
evidence_strength moderate
newest_evidence 2007
generated by process:wiki-ingest on 2026-10-16
trust unverified — no one has confirmed this page's content
sources 1 — ritter-2007

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