From: Evidence that communities of practice are associated with active learning in large STEM lectures
 | CoP | Non-CoP | Kruskal-Wallis | Effect size | ||||
---|---|---|---|---|---|---|---|---|
Variable | Mean (median) | SD | Mean (median) | SD | χ2(1) | p | Hedge’s g | [95% CI] |
Lecturing | 16.20 (18) | 5.02 | 21.81 (22) | 2.47 | 23.63 | <.001 | 1.48 | [ − 2.06, − 0.90] |
Real-time Writing | 8.38 (7) | 7.56 | 14.66 (16) | 8.77 | 8.36 | .004 | − 0.75 | [ − 1.28, − 0.21] |
Demo/video | 3.30 (1) | 4.46 | 1.41 (0) | 2.39 | 2.59 | .108 | 0.55 | [0.02, 1.07] |
Clicker follow-up | 6.82 (6) | 4.99 | 2.43 (2) | 3.12 | 12.83 | <.001 | 1.08 | [0.53, 1.64] |
Posing question | 6.38 (6) | 3.92 | 6.09 (4) | 4.46 | 0.31 | .577 | 0.07 | [ − 0.45, 0.59] |
Asking clicker question | 6.30 (6) | 5.32 | 1.10 (0) | 2.39 | 19.09 | <.001 | 1.32 | [0.75, 1.89] |
Answering question | 3.26 (3) | 2.83 | 3.32 (2) | 3.91 | 0.31 | .575 | − 0.02 | [ − 0.54, 0.50] |
Moving and guiding | 2.58 (1) | 4.39 | 0.40 (0) | 1.33 | 11.47 | <.001 | 0.72 | [0.18, 1.25] |
One-on-one discussion | 2.04 (0) | 4.42 | 0.40 (0) | 1.09 | 4.93 | .026 | 0.55 | [0.02, 1.07] |
Administration | 1.98 (1) | 2.04 | 2.01 (2) | 1.53 | 0.41 | .521 | − 0.19 | [ − 0.71, 0.33] |
Waiting | 2.16 (1) | 2.25 | 0.87 (0) | 1.61 | 6.88 | .009 | 0.67 | [0.14,1.20] |
Other | 0.52 (0) | 2.02 | 0.17 (0) | 0.57 | 0.02 | .893 | 0.25 | [ − 0.27,0.77] |