Claims

PBL-treated undergraduates produced more accurate problem solutions than non-PBL controls after one semester

Claim · All claims
Evidence · 1 study · causal r2 · q2
Currency · newest study 2016 · 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? After one semester of PBL treatment, the experimental group's post-test solution accuracy mean rank (35.50) was significantly higher than the control group's (15.50). → Z. Abdul Kadir 2016

Evidence

Z. Abdul Kadir 2016

Z. Abdul Kadir, N. H. Abdullah, E. Anthony, B. Mohd Salleh & R. Kamarulzaman. (2016). Does Problem-Based Learning Improve Problem Solving Skills?—A Study among Business Undergraduates at Malaysian Premier Technical University. International Education Studies, 9(5). https://doi.org/10.5539/ies.v9n5p166

q2 · i? · causal · r2

Quasi-experimental non-equivalent control group pretest–posttest study of 50 first-year management undergraduates (25 per group) over 14 weeks. Mann-Whitney U test on post-test accuracy: "the mean rank was 35.50 compared to non-PBL group, 15.50"; the article reports p = 0.001 for accuracy.

"For the PBL group, the m ean rank was 35.50 compared to non-PBL group, 15.50. These results support the contention that there was improvement on problem solving skills in terms of accuracy after the students attended PBL treatments."

Discussion

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