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Table 5 Descriptive statistics of the process-related measures on the G8 item by score group

From: Using process data to understand problem-solving strategies and processes for drag-and-drop items in a large-scale mathematics assessment

Type

Measure

Incorrect

Correct

r

P

Mean

Median

SD

Mean

Median

SD

Sequence

Response sequence length

12.52

7.00

13.37

9.70

5.00

9.86

0.11

 < 0.001

Time

Total response time

2.66

2.31

1.70

2.20

1.84

1.29

–0.08

 < 0.001

First pause

1.14

0.54

1.17

1.14

0.80

1.01

0.06

 < 0.001

Pct. first pause

47.6%

44.8%

32.1%

56.2%

65.3%

34.7%

0.11

 < 0.001

Total D&D execution time

1.16

0.53

1.28

0.83

0.23

1.06

–0.15

 < 0.001

Pct. total D&D execution time

42.2%

38.5%

31.1%

34.4%

17.1%

32.7%

–0.12

 < 0.001

Avg. D&D execution time

0.09

0.07

0.08

0.08

0.05

0.07

–0.13

 < 0.001

Pct. avg. D&D execution time

4.8%

3.8%

3.6%

3.9%

2.7%

3.3%

–0.11

 < 0.001

Last pause

0.15

0.07

0.17

0.15

0.10

0.14

0.06

 < 0.001

Pct. last pause

8.4%

4.6%

9.2%

8.6%

5.4%

8.4%

0.05

 < 0.001

  1. P-values of Mann–Whitney U tests and the effect sizes of the comparisons (r) are reported.