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Related Concept Videos

Self-Report Tests of Personality01:22

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Related Experiment Video

Updated: Aug 16, 2025

Assessing the Coherence of Parents' Short Narratives Regarding their Child Using the Five-Minute Speech Sample Procedure
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Cologne questionnaire on speechlessness: Development and validation.

Thilo Dietz1, Sally Tavenrath1, Vera Schiewer1

  • 1Department of Internal Medicine I, Faculty of Medicine, Cologne University Hospital, University of Cologne, Kerpener Straße 62, 50937 Cologne, Germany.

Current Psychology (New Brunswick, N.J.)
|December 19, 2022
PubMed
Summary

Speechlessness, the inability to speak during emotional stress, is measured by the Cologne Questionnaire on Speechlessness (KFS). This validated instrument reliably assesses speechlessness in clinical and non-clinical populations.

Keywords:
Affective SymptomsCancerEmotionsFactor AnalysisQuestionnaire

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Area of Science:

  • Psychology
  • Psychometrics
  • Emotional Regulation

Background:

  • Speechlessness is a psychological phenomenon often linked to emotional stress and dysregulation.
  • Existing theoretical frameworks include alexithymia and expressive suppression.
  • A validated instrument is needed to measure speechlessness in various contexts.

Purpose of the Study:

  • To introduce and validate the Cologne Questionnaire on Speechlessness (KFS).
  • To assess the psychometric properties of the KFS in diverse populations.
  • To establish the KFS as a reliable tool for measuring speechlessness.

Main Methods:

  • Item selection was based on a sample of 307 individuals from the general population.
  • Exploratory factor analysis was conducted across four clinical and non-clinical samples.
  • Confirmatory factor analysis on a dataset of 1293 individuals validated a four-factorial structure.

Main Results:

  • The confirmatory factor analysis supported a robust four-factorial structure for the KFS.
  • The questionnaire demonstrated acceptable overall validity and reliability.
  • Statistical fit indices (e.g., TLI=.891, CFI=.916, RMSEA=.065) indicated a good model fit.

Conclusions:

  • The Cologne Questionnaire on Speechlessness (KFS) is a valid and reliable measure.
  • The KFS is suitable for use with both general and clinical populations.
  • The questionnaire can be applied in research on emotional regulation and speechlessness.