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Table 8 Mean (± S.E.) student ratings of confidence in using the scientific method pre- and post-course by grant phase (total possible scores range from 0 to 50)

From: Correcting misconceptions about evolution: an innovative, inquiry-based introductory biological anthropology laboratory course improves understanding of evolution compared to instructor-centered courses

Project
Phase
Pre-Course Average Confidence Rating Post-Course Average Confidence Rating Change in Average Confidence Rating
Pre-Grant Terms
(N = 46)
40.80
(S.E. = 0.75)
42.91
(S.E. = 0.70)
+ 2.11***
[t (45) = 3.797)
Grant Implementation Terms
(N = 104)
41.08
(S.E. = 0.48)
44.73 (S.E. = 0.41) + 3.65***
[t (103) = 7.984]
Difference: Pre-Grant vs Grant Implementation Periods + 0.
F (1,148) = 0.096]
+ 1.82*
[F (1,148) = 5.600]
+ 1.54*^
[F (1,148) = 3.910]
  1. *p < .05; **p < .01; ***p < .001
  2. ^Repeated Measures: Within subjects = pre- vs post course, significant effect [F (1,148) = 54.39, p < .001]; Between subjects = pre-grant vs grant implementation, no significant effect [F (1, 148) = 2.067, p > .10]; Interaction significant [F (1, 148) = 3.910, p = .05]