Students trained with both backward worked examples and backward problem solving significantly outperformed control and BWE-only students on posttest problem scores¶
Claim · All claims
Evidence · 1 study · causalr2·q2
Currency · newest study 2024 · 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.
q2 i? Posttest problem scores were significantly associated with training treatment, with the BWE+BPS group consistently outperforming both other groups. → Preya Shabrina 2024
Evidence¶
Preya Shabrina 2024¶
Preya Shabrina, Behrooz Mostafavi, Mark Abdelshiheed, Min Chi, Tiffany Barnes. (2024). Investigating the Impact of Backward Strategy Learning in a Logic Tutor: Aiding Subgoal Learning Towards Improved Problem Solving. Int J Artif Intell Educ 34:825–861. https://doi.org/10.1007/s40593-023-00338-1
q2 · i? · causal · r2
Quasi-experimental assignment of 168 completers (59 C, 55 T1, 54 T2) in a discrete mathematics course to Deep Thought treatments; mixed-effect regression on posttest scores gave p=0.02 and “T2 consistently outperformed the other training groups in all problems” with significantly higher scores in 7.3–7.6.
"Subsequently, when we performed a similar mixed-effect regression analysis for the posttest problems, the p-value was 0.02 demonstrating a significant association between training treatment and posttest scores. In the posttest phase [notice the ‘Posttest’ segment in Fig.5], T2 consistently outperformed the other training groups in all problems."
Discussion¶
Related Claims¶
- Backward worked examples alone did not change student behavior or performance: the BWE-only group behaved like the control group — related
- Students trained with both BWE and BPS derived subgoals during proof construction with significantly higher efficiency than the other groups — related
- The BWE+BPS group constructed significantly shorter solutions than the other groups in only two posttest problems — related
- Training-level test problem scores were only marginally associated with training treatment (p=0.0563), with the BWE+BPS group scoring lower early in training — related
- Strategy-trained students significantly outperformed control students on the posttest objective and subjective measures — related
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