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Large-scale Assessments in Education

An IEA-ETS Research Institute Journal

Table 3 Descriptive statistics of the process-related measures on the G4 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 Partially Correct Correct P
Mean Median SD Mean Median SD Mean Median SD
Sequence Response sequence length 4.28 3.00 2.78 4.02 3.00 2.00 3.88 3.00 1.92  < 0.001
Time Total response time 1.52 1.34 0.72 1.57 1.39 0.70 1.45 1.29 0.66  < 0.001
First pause 0.86 0.71 0.52 0.87 0.72 0.51 0.80 0.66 0.48  < 0.001
Pct. first pause 56.7% 57.3% 17.0% 55.2% 55.4% 15.9% 54.0% 53.9% 15.6%  < 0.001
Total D&D execution time 0.47 0.38 0.31 0.51 0.43 0.30 0.48 0.40 0.28  < 0.001
Pct. total D&D execution time 32.7% 30.5% 15.8% 34.2% 32.5% 14.9% 34.3% 32.8% 14.3%  < 0.001
Avg. D&D execution time 0.16 0.13 0.09 0.18 0.16 0.09 0.18 0.16 0.09  < 0.001
Pct. avg. D&D execution time 11.6% 10.4% 6.0% 13.0% 12.1% 6.0% 13.6% 13.0% 5.9%  < 0.001
Last pause 0.13 0.09 0.11 0.13 0.10 0.11 0.14 0.10 0.11  < 0.001
Pct. last pause 9.6% 7.0% 8.1% 9.7% 7.2% 8.0% 10.7% 8.0% 8.6%  < 0.001
  1. P-values of omnibus Kruskal–Wallis tests are reported. Pairwise Mann–Whitney U tests were also conducted and discussed in the text
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