Claims

Video-based coaching produces significantly larger improvement from baseline to final assessment than control feedback

Claim · All claims
Evidence · 1 study · quant-synthesis r3 · q3 · i3 large
Currency · newest study 2025 · 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 i3 Across ten RCTs, change in performance from baseline to final assessment was significantly higher in the VBC group (SMD 0.98, 95% CI 0.61–1.35, p < 0.0001). → Anderson Steven Mark 2025

Evidence

Anderson Steven Mark 2025

Anderson Steven Mark, Gillanders Sarahlouise, Hickey Anne, Offiah Gozie, Davis Niall. (2025). Video Killed the Radio Star—A Meta‐Analysis on Video‐Based Coaching to Improve Surgical Skill. World Journal of Surgery. https://doi.org/10.1002/wjs.12494

q3 · i3 · quant-synthesis · r3

Meta-analysis of ten RCTs reporting change scores, with 137 VBC and 132 control participants. The pooled effect size was SMD 0.98 (95% CI 0.61, 1.35); change "was significantly higher in the VBC group compared to the control".

"The overall change in performance from the baseline to final assessment was significantly higher in the VBC group compared to the control, with a SMD of 0.98 (95% CI 0.61, 1.35, Z = 5.19, p < 0.0001, and Figure 3)."

Discussion

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