Table 2.

Sample descriptive using t-test for preintervention and post-intervention equality of means.

	Timepoint 1			Timepoint 2
Variable scores	n	M	SD	n	M	SD	t(df)	p	Effect size ( d )
Communication behavior	68	4.64	0.68	68	4.56	0.71	0.89(67)	0.377	0.108
Psychological safety	67	4.45	0.94	67	4.51	0.83	−0.50(66)	0.617	−0.061
Patient safety risk	68	3.22	0.73	68	2.89	0.90	2.76(67)	0.007	0.335
Team performance perception	67	4.90	0.63	67	4.90	0.81	0.00(66)	1.000	0.000

t-tests for dependent samples and equality of means to analyze differences in pre- and post-intervention scores.