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Table 4 Comparison between initial and final questionnaire

From: Measuring determinants of implementation behavior: psychometric properties of a questionnaire based on the theoretical domains framework

Domains Item numbers Amount of items Cronbach’s alpha Explained variance OMG method Explained variance PCA
(from initial questionnaire)
D1 Knowledge 1 - 4 4 .93 48.0% 56.5%
D2 Skills 5 - 7 3 .86   
D3 Social/ professional role and identity 8 - 10 3 .90   
D4 Beliefs about capabilities 11 - 24 14 .84   
D5 Beliefs about consequences 25 - 36 12 .83   
D6 Motivation and goals 37 - 42 6 .77   
D7 Memory, attention, and decision p. 43 - 44 2 .71   
D8 Environmental context and res. 45 - 68 24 .82   
D9 Social influences 69 - 78 10 .84   
D10 Emotion 79 - 90 12 .88   
D11 Behavioral regulation 91 - 96 6 .79   
D12 Nature of the behaviors 97 - 100 4 .85   
D1 Knowledge 1 - 4 4 .93 63.3% 68.0%
D2 Skills 5 - 7 3 .86   
D3 Social/ professional role and identity 8 - 10 3 .90   
D4 Beliefs about capabilities 11 - 21 11 .84   
D5 Optimism 22 - 24 3 .79   
D6 Beliefs about consequences 25 - 36 12 .83   
D7 Intentions 37 - 39 3 .91   
D8 Goals 40, 41 2 .88   
D9 Innovation 45 - 49 5 .68   
D10 Socio-political context 51 - 53 3 .73   
D11 Organization 57, 76 - 78 4 .85   
D12 Patient 60, 61 2 .74   
D13 Innovation strategy 62 - 68 7 .82   
D14 Social influences 69 - 75 7 .86   
D15 Positive emotions 80, 82, 84, 87, 89, 90 6 .85   
D16 Negative emotions 79, 81, 83, 85, 86, 88 6 .85   
D17 Behavioral regulation 91 - 96 6 .79   
D18 Nature of the behaviors 43, 44, 97 - 100 6 .85   
  1. Note. OMG method, oblique multiple group method; PCA, principal component analysis.