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Table 2 Hierarchical regression models for final grades (N = 120)

From: Active learning through flipped classroom in mechanical engineering: improving students’ perception of learning and performance

 

B

SE B

β

R2

ΔR2

Step 1

   

.006

.006

 Gender

.25

.29

.08

  

Step 2

   

.029

.023

 Gender

.24

.28

.08

  

 Ethnicity

.37

.23

.15

  

Step 3

   

.068

.039

 Gender

.23

.28

.08

  

 Ethnicity

.19

.24

.08

  

 Viewing time

3.03E-5

1.39E-5

.21*

  
  1. Two-tailed test of significance: *p < .05