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. 2020 Jan 12;10(1):e033227. doi: 10.1136/bmjopen-2019-033227

Table 4.

Constructs in the process evaluation and preintervention and postintervention surveys

Research question Construct Content Items (n) Response alternatives Reference Time of measurement Cronbach’s alpha
Process evaluation (self-rated manager data)
1 Appraisal of the intervention as a whole Complexity, relevance, novelty and valence involvement 10 10-point continuum for each adjective pair 61 WS5 0.81
0.68
0.84
0.60
0.29
2 Knowledge about implementation and implementation leadership 6 1 (strongly disagree)–10 (strongly agree) Especially constructed to match the iLead intervention WS1/2, WS3, WS4 and WS5 0.90
0.97
0.93
0.97
Preintervention and postintervention surveys (employee data)
3 Changes in implementation and leadership Extent of perceived changes in the implementation of the new method as well in the manager’s leadership during the last 6 months 2 1 (big impairment)–5 (no change) to 10 (great improvement) 62 63 T2
T3
0.79
0.74
4 Active implementation leadership Leadership behaviours in line with FRLM related to the implementation 13 1 (strongly disagree)–5 (strongly agree) 50 T2
T3
0.95
0.96

FRLM, full-range leadership model; T2, postmeasure 1; T3, postmeasure 2; WS, workshop.