One Sample T-Test One Sample T-Test Statistic df p Effect Size Marker_PerCorrect Student's t 19.2 167 One Sample T-Test One Sample T-Test Marker_PerCorrect Note. *

One Sample T-Test One Sample T-Test Statistic df p Effect Size Marker_PerCorrect Student's t 19.2 167 <.001 cohen d note. h u descriptives n mean median sd se marker_percorrect>

One Sample T-Test One Sample T-Test Marker_PerCorrect Note. * 50 Descriptives Marker_PerCorrect Statistic 19.2 Mean 76.1 df 167 Median 75.0 p < .001 SD 17.7 Effect Size 1.48 Student's t 168 Cohen's d SE 1.36