Table 4.

Descriptive statistics of subscales^a

	Rout I	Rout II	Rout III	Skills	Docu	Mat	Refl
Initial model (52 items)
# items	10	8	5	8	9	7	5
N	85(24%)	81(28%)	88(21%)	69(38%)	71(37%)	80(29%)	91(19%)
Item mean¤	3.38	3.31	3.50	3.26	3.51	3.8	3.3
Item variance	0.73	0.71	0.63	0.83	0.74	0.49	0.82
Scale mean	33.8	26.4	17.5	26.1	31.6	26.5	16.6
Scale SD	5.4	3.4	2.6	5.7	5.2	3.3	3.7
Theoretical range	0 - 50	0 - 40	0 - 25	0 - 40	0 - 45	0 - 35	0 -25
Average inter-item correlation (min.; max.)	0.34 (-09;.71)	0.15 (-21;.61)	0.29 (-01;.48)	0.56 (.18; 89)	0.39 (-.22;.75)	0.37 (.09; .66)	0.58 (.38; .73)
Cronbach's alpha	0.83	0.58	0.67	0.91	0.85	0.80	0.87
Long version (40 items)(
N	89	91	88	70	81	81	91
Score range	8-36	4-18	4-17	7-33	7-34	6-25	5-21
Mean	27.1	13.7	14	22.4	25.1	19	16.6
SD	4.9	2.5	2.3	5.6	4.5	2.8	3.7
# items	8	4	4	7	7	5	5
Items included	1,2,5-10	13,16, 18,11	19-21, 23	24,25, 27-31	32-35, 38-40	41-43, 46,47	48-52
Cronbach's alpha	0.86	0.70	0.71	0.93	0.87	0.82	0.87
Short version (30 items)
N	90	91	88	74	83	86	92
Score range	5-23	3-14	4-17	5-23	5-25	4-20	4-17
Mean	16.9	10.2	14	16.2	18.2	15.4	12.9
SD	3.5	2.1	2.3	4.1	3.5	2.3	3.2
# items	5	3	4	5	5	4	4
Items included	1,2,5,7, 10	13,16, 18 (11)	19-21, 23	25,27-31	34,35, 38-40	41-43, 47	48-51
Cronbach's alpha	0.85	0.75	0.71	0.92	0.89	0.81	0.87
Correlation with long version1	0.95	0.96	0.93	0.98	0.96	0.98	0.98
	N = 115	N = 111	N = 107	N = 105	N = 105	N = 104	N = 111

^arout I = Routinization I. rout II = Routinization II. rout III = Routinization III. Skills = Institutionalization of Skills. Docu = Institutionalization of Documentation Materials. Mat = Institutionalization of Practical Materials. Refl = Institutionalization of Team Reflection. ¤ is the average mean and average variance on the items of a given subscale. ¹ for all r, p < .01