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Table 3 ACT Domains: Psychometric Validity and Reliability

From: Development and assessment of the Alberta Context Tool

      Factor Analysis1 (n = 704) Cronbach Alpha2
Survey
Concept
No. Items No. Completed Responses Mean
Response
Standard Deviation Factor ranks Factor Loadings (Range) Eigenvalue  
Leadership 6 750 3.53 0.81 2 0.753 - 0.842 3.825 0.91
Culture 6 746 3.83 0.53 7 0.389 - 0.701 1.725 0.72
Evaluation 6 747 2.98 0.82 1 0.774 - 0.864 9.806 0.91
Social Capital 6 742 3.90 0.47 3 0.584 - 0.684 3.412 0.77
Formal Interactions* 4 745 1.84 1.02 10 0.369 - 0.702 1.286 0.60
Informal Interactions*         
Type 1- Non-direct Care providers 4 743 1.09 0.95 4 0.550 - 0.768 2.519 0.75
Type 2- Direct Care providers 5 747 4.21 0.86 5 0.339 - 0.798 2.460 0.70
Structural and Electronic Resources*         
Type 1-Formal Resources 4 745 2.74 1.00 8 0.439 - 0.806 1.441 0.71
Type 2- Traditional Resources 3 745 0.72 0.68 9 0.510 - 0.720 1.406 0.60
Type 3- Electronic Resources 3 751 1.36 0.86 13 0.602 - 0.710 1.042 0.54
Organizational Slack         
Time 4 752 2.93 0.55 6 0.606 - 0.717 1.836 0.74
Space 3 750 2.94 0.88 11 0.636 - 0.807 1.232 0.63
Human Resources 2 750 2.92 1.03 12 0.759 - 0.788 1.195 0.83
  1. 1Extraction Method: Principal Component Analysis, Rotation Method: Varimax method
  2. 2Cronbach alpha was computed for each individual factor. For factors using a count method for deriving scores (formal interactions, informal interactions [Types 1 and 2], structural and electronic resources [Types 1, 2, and 3]), the recoded values were used to compute Cronbach alpha
  3. * Dimensions derived based on count method