Claims

PBL-based teaching yields higher knowledge scores than LBL in Chinese standardized residency training

Claim · All claims
Evidence · 1 study · quant-synthesis r3 · q3
Currency · newest study 2022 · 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? Across 40 RCTs, PBL-based intervention groups scored significantly higher on knowledge scores than LBL groups (WMD = 7.14). → Li Tingting 2022

Evidence

Li Tingting 2022

Li Tingting, Wang Weidong, Li Zhijie, Wang Hongmiao, Liu Xiaodan. (2022). Problem-based or lecture-based learning, old topic in the new field: a meta-analysis on the effects of PBL teaching method in Chinese standardized residency training. BMC Medical Education. https://doi.org/10.1186/s12909-022-03254-5

q3 · i? · quant-synthesis · r3

Meta-analysis of 40 publications involving 2190 residents (intervention 1111, LBL 1079) reporting knowledge scores; random-effects model used because of high heterogeneity (I2 = 95.6%). The pooled estimate favored the intervention group: "WMD = 7.14, 95% CI: 5.93–8.34".

"The pooled effect size showed a significant difference in KS (WMD = 7.14, 95% CI: 5.93–8.34, P < 0.0001) in favor of the intervention group compared to the LBL group"

Discussion

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