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Table 3 Classification of questions based on factor analysis and reliability coefficients of the factors CU, LH, PC and SR in the ESE

From: Virtual experimental platforms in chemistry laboratory education and its impact on experimental self-efficacy

Item

Factor 1: PC

Factor 2: LH

Factor 3: CU

Factor 4: SR

1

.189

.008

.735

.047

2

-.035

.078

.851

-.072

3

-.007

.122

.863

-.070

4

.075

.876

-.005

.031

5

.109

.852

.095

-.136

6

.050

.817

.129

-.163

7

.818

.182

.195

-.323

8

.875

.097

.015

-.279

9

.861

-.004

-.025

-.251

10

-.278

-.013

.069

.792

11

-.345

-.195

-.079

.753

12

-.442

-.151

-.176

.543

Number of items

3

3

3

3

Item variance

0.96

0.85

0.80

0.99

Cronbach’s Alpha (α)

0.89

0.82

0.76

0.72

  1. Values in the bold (values above 0.5) are representing those that conform to that category