Statistical and Judgmental Criteria for Scale Purification

Andreas Wieland, Christian F. Durach, Joakim Kembro, Horst Treiblmaier

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

Purpose
“Scale purification” – the process of eliminating items from multi-item scales – is widespread in empirical research, but studies that critically examine the implications of this process are scarce. The goals of this research are threefold: to discuss the methodological underpinning of scale purification, to critically analyze the current state of scale purification in supply chain management (SCM) research and to provide suggestions for advancing the scale-purification process.
Design/methodology/approach
A framework for making scale-purification decisions is developed and used to analyze and critically reflect on the application of scale purification in leading SCM journals.
Findings
This research highlights the need for rigorous scale-purification decisions based on both statistical and judgmental criteria. By applying the proposed framework to the SCM discipline, a lack of methodological rigor and coherence is identified when it comes to current purification practices in empirical SCM research. Suggestions for methodological improvements are provided.
Research limitations/implications
The framework and additional suggestions will help to advance the knowledge about scale purification.
Originality/value
This paper demonstrates that the justification for scale purification needs to be driven by reliability, validity and parsimony considerations, and that this justification needs to be based on both statistical and judgmental criteria.
Purpose
“Scale purification” – the process of eliminating items from multi-item scales – is widespread in empirical research, but studies that critically examine the implications of this process are scarce. The goals of this research are threefold: to discuss the methodological underpinning of scale purification, to critically analyze the current state of scale purification in supply chain management (SCM) research and to provide suggestions for advancing the scale-purification process.
Design/methodology/approach
A framework for making scale-purification decisions is developed and used to analyze and critically reflect on the application of scale purification in leading SCM journals.
Findings
This research highlights the need for rigorous scale-purification decisions based on both statistical and judgmental criteria. By applying the proposed framework to the SCM discipline, a lack of methodological rigor and coherence is identified when it comes to current purification practices in empirical SCM research. Suggestions for methodological improvements are provided.
Research limitations/implications
The framework and additional suggestions will help to advance the knowledge about scale purification.
Originality/value
This paper demonstrates that the justification for scale purification needs to be driven by reliability, validity and parsimony considerations, and that this justification needs to be based on both statistical and judgmental criteria.
LanguageEnglish
JournalSupply Chain Management: An International Journal
Volume22
Issue number4
Pages321-328
ISSN1359-8546
DOIs
StatePublished - 2017

Keywords

  • Surveys
  • Empirical study
  • Reliability
  • Structural equation model
  • Measurement
  • Literature review
  • Validity
  • Scale purification
  • Item elimination
  • Parsimony

Cite this

Wieland, Andreas ; Durach, Christian F. ; Kembro, Joakim ; Treiblmaier, Horst. / Statistical and Judgmental Criteria for Scale Purification. In: Supply Chain Management: An International Journal. 2017 ; Vol. 22, No. 4. pp. 321-328
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Statistical and Judgmental Criteria for Scale Purification. / Wieland, Andreas; Durach, Christian F.; Kembro, Joakim; Treiblmaier, Horst.

In: Supply Chain Management: An International Journal, Vol. 22, No. 4, 2017, p. 321-328.

Research output: Contribution to journalJournal articleResearchpeer-review

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