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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.