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Table 4 Results of reliability and validity of the research model

From: Critical factors influencing physicians’ intention to use computerized clinical practice guidelines: an integrative model of activity theory and the technology acceptance model

Variable CMP PU COM PE PA TU SI OS ITU AVE CR Cronbach’s α
CMP 0.790          0.621 0.868 0.853
PU 0.577 0.762         0.580 0.805 0.821
COM 0.689 0.614 0.864        0.747 0.923 0.894
PE 0.735 0.576 0.805 0.829       0.687 0.869 0.835
PA 0.208 0.392 0.269 0.342 0.840      0.706 0.878 0.702
TU 0.100 0.096 0.090 0.005 0.261 0.835     0.698 0.820 0.789
SI 0.206 0.450 0.486 0.424 0.115 0.077 0.912    0.832 0.908 0.891
OS 0.353 0.521 0.501 0.482 0.301 0.117 0.602 0.893   0.798 0.922 0.927
ITU 0.359 0.636 0.485 0.489 0.386 0.122 0.548 0.696 0.868 0.753 0.859 0.846
  1. The bold numbers in the diagonal row are square roots of the AVE. Off-diagonal elements are the correlations among constructs
  2. Abbreviations: CMP complexity, PU perceived usefulness, COM compatibility, PE perceived ease of use, PA physicians’ attitude, TU task uncertainty, SI social influence, OS organizational support, ITU intention to use computerized CPGs