TABLE 4.

Estimates of fixed effects of score gap between group and individual scores in units 1 and 4

							95% Confidence interval
		Estimate	SE	df	t	Sig.	Lower bound	Upper bound
Unit 1	Intercept	−24.96	2.26	122	−11.06	0.000	−24.42	−20.49
	High-performance groups	12.92	2.90	122	4.45	0.001	7.18	18.67
	Low-performance groups	0	0	—	—	—
Unit 4	Intercept	−18.63	2.10	69.57	−8.89	0.000	−22.81	−14.45
	High-performance groups	11.85	2.63	100.72	4.5	0.001	6.63	17.08
	Low-performance groups	0	0	—	—	—