ITS produce significant positive effects at all grade levels and in almost all subject domains evaluated, with exceptions such as chemistry¶
Claim · All claims
Evidence · 1 study (2 entries) · quant-synthesisr2–r3·q4·i0negligible
Currency · newest study 2014 · 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.
q4 i? The use of ITS produced moderate, statistically significant mean effect sizes at all grade levels under both fixed and random-effects models. → Wenting Ma 2014
q4 i0 Significant positive effects appeared in most subject domains, but for chemistry as well as literacy and language learning the mean effect sizes were small (g = .16) and moderate (g = .34), with chemistry not significant under random effects. → Wenting Ma 2014 (2)
Evidence¶
Wenting Ma 2014¶
Wenting Ma, Olusola O. Adesope, John C. Nesbit, and Qing Liu. (2014). Intelligent Tutoring Systems and Learning Outcomes: A Meta-Analysis. Journal of Educational Psychology. https://doi.org/10.1037/a0037123
q4 · i? · quant-synthesis · r3
Grade-level moderator analysis (Table 3) covering elementary, middle school, high school, postsecondary, and mixed-grade studies; the between-levels difference was not statistically significant under a random-effects model (QB p = .82).
"T h e u s e o f IT S p r o d u c e d m o d e ra te s ta tis tic a lly s ig n if ic a n t m e a n e ff e c t siz e s a t a ll g r a d e le v e ls u n d e r b o th th e f ix e d a n d r a n d o m - e f f e c t s m o d e ls ."
Wenting Ma 2014 (2)¶
Wenting Ma, Olusola O. Adesope, John C. Nesbit, and Qing Liu. (2014). Intelligent Tutoring Systems and Learning Outcomes: A Meta-Analysis. Journal of Educational Psychology. https://doi.org/10.1037/a0037123
q4 · i0 · quant-synthesis · r2
Subject-domain moderator analysis (Table 3) with heterogeneity QB = 50.67, p < .001 under the fixed-effect model. Chemistry (g = .16) and language and literacy (g = .34) were the weaker domains; humanities and social science (g = .63) and biology and physiology (g = .59) showed the largest random-effects means.
"For chem istry a s well as literacy and language learning, the use of ITS prod uced sm all and m oderate m ean effect sizes (g = .16 and g = .34, re spectively)."
Discussion¶
Related Claims¶
- ITS effectiveness is not moderated by whether the ITS provides feedback or models student misconceptions — related
- AI-supported instruction has a moderate positive effect on student achievement in STEM education (g = 0.670 under a random effects model) — a broader claim this one bears on
- Bayesian network modeling ITS showed a higher weighted mean effect size than model tracing and constraint-based modeling, but only under a fixed-effect model — related
- GenAI chemistry outputs can be fluent and locally persuasive while chemically invalid across representations — related
- AR/VR tools show the largest effect among AI application types (g = 1.765), while ITS and personalized educational games show small effects — related
- LLMs struggle most with Chemistry riddles, with best EM accuracy at or below 75% versus above 90% in other subjects — related
- School level significantly moderates effects: AI-enabled personalized STEM education is more effective in junior and senior high school than in kindergarten — related
- AI use is predominantly independent of the science subject taught, with one exception: chemistry teachers most often cite lack of subject-specific relevance — related
Page metadata
| Field | Value |
|---|---|
type |
claim |
id |
its-effects-across-grades-subjects-prior-knowledge |
title |
ITS produce significant positive effects at all grade levels and in almost all subject domains evaluated, with exceptions such as chemistry |
description |
ITS produce significant positive effects at all grade levels and in almost all subject domains evaluated, with exceptions such as chemistry |
status |
review |
evidence_strength |
mixed |
newest_evidence |
2014 |
generated |
by process:wiki-ingest on 2026-10-13 |
trust |
unverified — no one has confirmed this page's content |
sources |
2 — wenting-ma-2014, wenting-ma-2014-2 |
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