Claims

Conceptual change strategies in cooperative groups reduced misconceptions in community college chemistry, but poor group leadership undermined discussion

Claim · All claims
Evidence · 1 study (2 entries) · review r2–r3 · q2–q3
Currency · newest study 1993 · 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? Audio-tape analysis in Basili and Sanford's pretest-posttest control-group study found a significantly lower proportion of misconceptions for four of the five concepts on the posttest for the experimental group. → Blosser 1993 q2 i? Analysis of individual verbal behavior showed some group tasks encouraged interaction supportive of conceptual change, but poor group leaders prevented effective discussion by rushing through questions and imposing their views. → Blosser 1993 (2)

Evidence

Blosser 1993

Blosser, P. E. (1993). Using Cooperative Learning in Science Education. ERIC Clearinghouse for Science, Mathematics, and Environmental Education. https://eric.ed.gov/?id=ED351207

q3 · i? · review · r3

Basili and Sanford (1991) used a pretest-posttest control-group design with four intact introductory chemistry sections at a suburban community college; experimental students were taught concept mapping and worked in groups of five explaining pre-assigned questions. The quoted result comes from analysis of audio tapes of student interaction; no effect size is printed.

"researchers found a significantly lower proportion of misconceptions for four of the five concepts on the posttest for the experimental group."

Blosser 1993 (2)

Blosser, P. E. (1993). Using Cooperative Learning in Science Education. ERIC Clearinghouse for Science, Mathematics, and Environmental Education. https://eric.ed.gov/?id=ED351207

q2 · i? · review · r2

Reported second-hand: Blosser's bulletin summarizes Basili and Sanford's (1991) investigation in community-college chemistry, whose analysis of individual verbal behavior during small-group work identified this boundary condition. Blosser did not conduct the study; the primary report has not been read here.

"poor group leaders prevented effective discussion by rushing through questions and imposing their views of the purpose of the task"

Studies bearing on this claim

What makes a discussion fail to revise understanding? This table gathers the studies behind this claim and the 3 narrower claims that bear on it: 7 distinct studies (3 quant-synthesis, 2 causal, 1 review, 1 theoretical), q2–q4, 2 of 7 with an effect size coded. One row per study, codes as each entry records them; no effect is averaged and no verdict is drawn. Built by scripts/synthesize_claim.py from eval/synthesis/; a row that looks wrong is fixed on the claim it comes from.

Study Design Effect as recorded Bears on this claim through
Blosser 1993 q2 / q3 · review · r3 i? this claim
Pacaci et al. 2024 q4 · quant-synthesis · r? i3 · large effect, g=1.10 (adjusted g=0.93) Conflict-based instruction improves science conceptual learning, though staged contradicti (qualifies)
Guzzetti et al. 1993 q3 · quant-synthesis · r? i? Conflict-based instruction improves science conceptual learning, though staged contradicti (qualifies)
Lehman et al. 2013 q3 · causal · r1 i? Conflict-based instruction improves science conceptual learning, though staged contradicti (qualifies)
Michelene T. H. Chi & Ruth Wylie 2014 q2 · theoretical · r3 i? Interactive engagement requires both partners' utterances to be primarily constructive and (qualifies)
Murphy et al. 2009 q4 · quant-synthesis · r? i? Some classroom discussion approaches improve text comprehension, but gains are not uniform (qualifies)
Murphy et al. 2018 q2 · causal · r1 i3 · large effect on basic comprehension, d=1.25; small-to-medium on high-level comprehension, d=0.35 Some classroom discussion approaches improve text comprehension, but gains are not uniform (qualifies)

Discussion

Page metadata
Field Value
type claim
id cooperative-conceptual-change-chemistry-misconceptions
title Conceptual change strategies in cooperative groups reduced misconceptions in community college chemistry, but poor group leadership undermined discussion
description Conceptual change strategies in cooperative groups reduced misconceptions in community college chemistry, but poor group leadership undermined discussion
status review
evidence_strength moderate
newest_evidence 1993
generated by process:wiki-ingest on 2026-09-25
trust unverified — no one has confirmed this page's content
sources 2 — blosser-1993, blosser-1993-2

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