Comparison of a Multidimensional to a Unidimensional Measure of Public Service Motivation: A Ghanaian Study

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Abstract

There is a paucity of empirical studies comparing unidimensional and multidimensional measures of PSM in Sub-Saharan Africa. Data was collected from 350 respondents in 26 Ministries in Ghana and the model was estimated with structural equation modelling. The findings showed that the four-dimensional measure of PSM is not comparable to the unidimensional measure, however, a three-dimensional and unidimensional measure of PSM is comparable. The findings further suggest that there is no significant difference between the three-dimensional and unidimensional measures of PSM in predicting affective commitment and organisational citizenship behaviour. The study contributed to testing the multi-dimensional and uni-dimensional measures of PSM in an African context.

Original languageEnglish
JournalPublic Organization Review
DOIs
Publication statusAccepted/In press - 2024
Externally publishedYes

Keywords

  • Africa
  • Ghana
  • Measure
  • Multidimensional
  • Public service
  • Public service motivation

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