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International Journal of STEM Education

Table 2 Development of student scores from pretest to delayed posttest

From: Exploring differences in primary students’ geometry learning outcomes in two technology-enhanced environments: dynamic geometry and 3D printing

Category

3D Pen group

DGE group

Mean score/item

Mean score/item

T0

T1

T2

Change from T0 to T1

Change from T1 to T2

T0

T1

T2

Change from T0 to T1

Change from T1 to T2

Total

.45

.78

.80

.33

.02

.46

.85

.85

.39

.00

Faces

.56

.82

.84

.26

.02

.75

.86

.87

.11

.01

Edges

.42

.75

.77

.33

.02

.27

.82

.83

.55

.01

Vertices

.37

.78

.79

.41

.01

.35

.86

.84

.51

− .02

Simple

.48

.81

.83

.33

.01

.49

.85

.86

.36

.01

 SF

.61

.85

.86

.24

.01

.81

.85

.87

.04

.02

 SE

.46

.80

.81

.34

.01

.33

.84

.85

.51

.01

 SV

.38

.79

.82

.41

.02

.34

.85

.85

.51

.00

Advanced

.41

.75

.76

.34

.02

.41

.85

.83

.44

− .01

 AF

.51

.79

.80

.28

.02

.68

.88

.88

.20

.00

 AV

.36

.75

.76

.39

.00

.37

.88

.83

.51

− .05

 AE

.36

.70

.72

.34

.03

.19

.78

.79

.59

.01

  1. For better readability, we did not report max/min scores as they ranged mostly from 0 to 1
  2. T0 pretest, T1 posttest, T2 delayed posttest, SF faces questions under “simple,” SE edges questions under “simple,” SV vertices questions under “simple,” AF faces questions under “advances,” AE edges questions under “advances,” AV vertices questions under “advances”
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