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Table 4 Correlation between the correct choice selection and the existence of explanation with the students’ test-scores

From: Evidence of probability misconception in engineering students—why even an inaccurate explanation is better than no explanation

Task Correlation between the correct choice selection (c, ce, cwe) t value Correlation with the explanation existence (ce, cwe, we) t value
Maternity hospital 0.25 4.46 0.54 10.9
Lotto 0.29 7.26 0.59 17.9
Mobile phones 0.30 5.49 0.60 13.0
IT engineer 0.32 8.27 0.59 17.6
R/W balls 0.16 2.84 0.53 10.7
Lawyer 0.12 2.07 0.48 9.36
  1. All correlations are statistically significant (p<0.05). Level of significance is exhibited with t-parameter of applied t-test