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Table 1 Number and effects of first and second/additional answer changes

From: Answer changing in multiple choice assessment change that answer when in doubt – and spread the word!

Answer change n of students M (SD) of changes (%) M (SD) of changes WR (%) M (SD) of changes RW (%) M (SD) of changes WW (%) M (SD) of point increase
First 72 4.5 (3.0) 2.3 (2.0) 0.9 (1.0) 1.3 (1.3) 1.4 (2.2)
   5.2% 48.2% (30.3) 21.6% (22.3) 30.2% (27.6) 2.5% (4.2)
Second and additional 19 1.4 (0.96) 0.21 (0.42) 0.11 (.32) 1.1 (0.94) 0.11 (0.46)
   0.44% 18.4% (38.0) 3.7% (12.1) 77.9% (41.6) 0.19% (0.99)
  1. M, mean; SD, standard deviation.