Table 5 Results of Wilcoxon rank-sum tests comparing the difference between LOESS residual scores of non-human and human-centred activities in Lesson 4 with Cliff’s d values (effect size).

From: A RCT for assessment of active human-centred learning finds teacher-centric non-human teaching of evolution optimal

Tranche

P-value

Cliff’s d

Mean ± SD SoW 1 and 3 (non-human)

Mean ± SD SoW 2 and 4 (human)

1

0.10

0.08

95% Cl: −0.18 to 0.01 (negligible)

−0.37 ± 2.73

N = 412

0.023 ± 3.067

N = 576

2

0.04

0.09

95% Cl: −0.17 to −3 × 10−3 (negligible)

−0.13 ± 3.63

N = 700

0.350 ± 3.115

N = 609

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