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Table 2 Intervention effects on CINS-B and RaProEvo scores

From: EvoSketch: Simple simulations for learning random and probabilistic processes in evolution, and effects of instructional support on learners’ conceptual knowledge

Effects

CINS-B

RaProEvo

b

SE

Cohen’s d

b

SE

Cohen’s d

Fixed

 Intercept

− 1.16***

0.22

0.65

0.10

0.26

0.05

 Simulation

0.14

0.15

0.08

− 0.21

0.15

0.12

 Sim-interpret

− 0.01

0.15

0.00

− 0.01

0.15

0.01

 Sim-reflect

− 0.02

0.15

0.01

− 0.14

0.15

0.08

 Post

 

− 0.09

0.11

0.05

 Follow-up

0.25

0.16

0.14

− 0.04

0.12

0.02

 CINS-A

0.12***

0.02

0.06

 

 Simulation*post

 

0.04

0.15

0.02

 Sim-interpret*post

 

− 0.04

0.14

0.02

 Sim-reflect*post

 

0.09

0.14

0.05

 Simulation*follow-up

− 0.25

0.20

0.06

0.34*

0.15

0.19

 Sim-interpret*follow-up

− 0.09

0.19

0.14

0.09

0.15

0.05

 Sim-reflect*follow-up

− 0.01

0.20

0.05

0.16

0.15

0.09

 

Var

SD

Var

SD

Random

 Participants(intercept)

0.08

0.28

0.30

0.55

 Items(intercept)

0.28

0.52

0.94

0.97

 Class(intercept)

0.02

0.13

0.05

0.23

  1. CINS-A/B pretest/posttest of the conceptual inventory of natural selection, RaProEvo pretest of conceptual knowledge of randomness and probability in evolutionary context
  2. p < 0.05, *** p < 0.001