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Table 3 The t-test summary of concept mapping scoring levels in the PBL and LBL groups (N = 52)

From: Using concept mapping to evaluate knowledge structure in problem-based learning

 

PBL (n = 26)

LBL (n = 26)

t(50)

p

Cohen’s

d

powera

Parameters

M

SD

M

SD

Concept relationships

116.5

45.29

81.7

40.84

2.93

0.005*

0.81

0.93

Hierarchy levels

17.0

3.16

14.3

5.42

2.25

0.029*

0.61

0.86

Cross linkages

9.3

8.23

5.1

4.76

2.30

0.026*

0.62

0.87

Examples

8.9

8.17

6.0

9.73

1.14

0.261

0.33

0.26

  1. *p < 0.05; PBL = problem-based learning, LBL = lecture-based learning; M = mean; SD = standard deviation
  2. aPost-hoc power analysis