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Table 7 Mean performance on the fault diagnosis task per problem by strategy group. Standard deviations in parentheses

From: Individual differences in strategy use and performance during fault diagnosis

Strategy group Study 1 Study 2 Study 3
N tests Time/test (s) s/prob N tests Time/test (s) s/prob N tests Time/test (s) s/prob
Elimination 1.6 (0.3) 27.2 (12.0) 69 (30) 1.8 (0.4) 35.9 (16.8) 90 (23) 1.6 (0.4) 40.8 (23.9) 81 (34)
Transition 2.6 (0.5) 16.7 (5.5) 63 (14) 2.6 (0.8) 21.8 (19.8) 84 (27) 2.8 (0.9) 20.4 (14.6) 78 (39)
General backtracking 5.5* (2.0) 4.7* (2.3) 70 (45) 6.1* (1.6) 6.7* (4.3) 86 (36) 6.0* (1.6) 6.6* (4.1) 80 (35)
Stepwise backtracking 4.9* (0.5) 3.4* (2.5) 42* (17) 5.9* (0.7) 4.3* (2.0) 63* (17) 5.8* (0.8) 3.4* (1.8) 48* (23)
IBE 1.9 (0.1) 28.0 (6.2) 64 (12) 1.3 (0.3) 38.5 (16.9) 76 (16) 1.3 (0.2) 43.8 (16.4) 66 (21)
  1. *p < 0.05 in comparison with elimination group