Table 3.

Group × day interaction terms from the linear mixed models: between-group differences in change from baseline.

Outcome	Rater	Day	β (95% CI)	t statistic	Cohen d	P value
Self-efficacy	Self-report	42	1.11 (0.116 to 2.107)	2.206	0.37	.03
Self-efficacy	Self-report	56	1.34 (0.349 to 2.340)	2.670	0.45	.008
Self-efficacy	Observer	42	1.04 (0.719 to 1.353)	6.456	1.08	<.001
Self-efficacy	Observer	56	0.72 (0.405 to 1.039)	4.500	0.75	<.001
Anxiety	Self-report	42	–1.24 (–2.341 to –0.148)	–2.243	0.37	.03
Anxiety	Self-report	56	–1.51 (–2.608 to –0.414)	–2.723	0.45	.007
Anxiety	Observer	42	–0.99 (–1.500 to –0.489	–3.886	0.65	.001
Anxiety	Observer	56	–0.92 (–1.425 to –0.414)	–3.593	0.60	<.001
Self-confidence	Self-report	42	1.18 (0.279 to 2.088)	2.586	0.43	.01
Self-confidence	Self-report	56	1.06 (0.157 to 1.965)	2.319	0.39	.02
Self-confidence	Observer	42	0.78 (0.380 to 1.170)	3.877	0.65	<.001
Self-confidence	Observer	56	0.66 (0.269 to 1.059)	3.321	0.55	.001
Motivation	Self-report	42	0.98 (0.211 to 1.744)	2.522	0.42	.02
Motivation	Self-report	56	0.72 (–0.044 to 1.489)	1.863	0.31	.06
Motivation	Observer	42	0.48 (0.067 to 0.894)	2.298	0.38	.02
Motivation	Observer	56	0.52 (0.103 to 0.930)	2.471	0.41	.02
Metacognition	Self-report	42	1.11 (0.116 to 2.107)	2.206	0.37	.03
Metacognition	Self-report	56	1.34 (0.349 to 2.340)	2.670	0.45	.008
Metacognition	Observer	42	0.36 (–0.032 to 0.743)	1.815	0.30	.07
Metacognition	Observer	56	0.36 (–0.023 to 0.751)	1.858	0.31	.06