Purpose The purpose of this paper is to develop and validate an instrument that can measure distributed leadership (DL) as employees' active participation in DL tasks. The authors designate this as the distributed leadership agency (DLA). Design/methodology/approach Data were collected throughout all departments and occupational groups at a merged centralized hospital setting in Denmark. A total of 1,774 employees from 24 hospital departments and 16 occupational groups completed our survey. Structural equation model and confirmatory factor analyses were applied to identify appropriate items and a test for measurement invariance, predictive, discriminant and convergent validity, and ANOVAs were applied to analyse group differences in DLA. Findings The identified unidimensional questionnaire consists of seven items, as it is different from, but associated with, empowering leadership, organizational influence, attitude to participation and trust in management. As theoretically predicted, DLA is positively related to self-efficacy, job satisfaction and innovative behaviour. Chief physicians, permanent employees and employee representatives scored higher on the scale than the rest of their respective counterparts. Practical implications The survey offers a method to assess a distribution of leadership agency in hospital organizations. Such assessment may provide a basis for organizational and leadership development. Originality/value The present study provides a reliable and valid quantitative instrument that measures how much employees at all hierarchical levels are involved in concrete leadership activities in the hospital context. Taking a normative perspective the authors could show that DL - measured with the DLA-questionnaire - has positive effects on employees' behaviour.

Purpose – In order to contribute to the understanding of affective commitment towards distinct workplace targets, the purpose of this paper is to develop and validate a Multitarget Affective Commitment Scale (MACS) through two data collections. The MACS uses similarly worded items for distinct targets and reflects the most recent theoretical development of affective commitment. Design/methodology/approach – In the first data collection, items from previous commitment scales were tested through the social network service Facebook (n=305). The second data collection was conducted in the healthcare system of Denmark (n=496) using survey questionnaires. Findings – In Study 1, exploratory factor analyses were conducted to reduce the items based on the Facebook data. In Study 2, the authors confirm the findings of Study 1 and further reduce the items based on the healthcare sample. The healthcare sample is also used in Study 3, where the authors validate the MACS by investigating its relationship with predictors, correlates, and outcomes. Originality/value – The results suggest that the MACS are a reliable and valid measure of affective commitment compatible with the diverse targets to which affective commitment often occurs. Consequently, the MACS is applicable for research investigating multiply affective commitments, thereby advancing the understanding of interactions between affective commitments and diverse targets, among other applications.

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