Physicians' perceptions of autonomy support during transition to value-based reimbursement: A multi-center psychometric evaluation of six-item and three-item measures.

Whereas correlations of PPAS-6 and PPAS-3 scores with job control at the within-subgroup level (r within ) were highly significant (p < .0001) according to both the R statistic and t-test, such correlations at the between-subgroup level (r between ) were not significant (p>.05). “ S2 Table ” in the supplement/appendix outlines the key indices of within-subgroup variability and interrater agreement in PPAS-6 and PPAS-3 scores among the same validation population subgroups used to assess factor invariance.

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