Table 3.

Internal consistency calculated by using Cronbach alpha.

Scale	Cronbach alpha UKa	Cronbach alpha NLb (95% CI)	Cronbach alpha, if item dropped	Item-rest correlation
Normalization process scale	.89	.85 (0.82-0.89)	.86 (CA.2c)	.03 (CA.2)
Coherence	.71	.71 (0.61-0.81)	.80 (CO.2d)	.25 (CO.2)
Cognitive participation	.81	.62 (0.51-0.73)	.75 (CP.1e)	.10 (CP.1)
Collective action	.78	.75 (0.69-0.82)	.81 (CA.2)	.00 (CA.2)
Reflexive monitoring	.65	.64 (0.54-0.74)	—f	.36 (RM.1g)

^aUK: English validation study results [25].

^bNL: current Dutch study sample.

^cCA.2: collective action item 2.

^dCO.2: coherence item 2.

^eCP.1: cognitive participation item 1.

^fNo improvement of alpha found.

^gRM.1: reflexive monitoring item 1.