Assessing negative and positive mood states: The identification of a short form of the POMS scale in Italian oncology outpatients

Stefania Mannarini, Sara Polimeni, Malihe Shams, Maria Giacobbo

Research output: Contribution to journalArticlepeer-review

Abstract

In line with the interest in constructing brief questionnaires to be used in clinical settings, in this research a short form of the Italian version of the 65-item Profile of Mood States scale (POMS; McNair, Lorr, & Droppleman, 1971/1981; Italian version: Farnè, Sebellico, Gnugnoli, & Corallo, 1991) was developed for oncology patients, by analyzing the responses of 108 cancer suffers. In Study 1, by means of a Principal Component Factor Analysis, a 50-item two-factor structure was obtained, called Negative (40 items) and Positive (10 items) Mood States (NPMS) scale. Both factors showed internal consistency and correlation with external variables. In Study 2, in a latent trait perspective, an Item Response Theory analysis was applied. The previous factors were confirmed and reduced to seven and six items, respectively. The new 13 item-scale was named Negative and Positive Mood State Short Form (NPMS-SF).

Original languageEnglish
Pages (from-to)135-145
Number of pages11
JournalTPM - Testing, Psychometrics, Methodology in Applied Psychology
Volume19
Issue number2
DOIs
Publication statusPublished - 2012

Keywords

  • Cancer patients
  • Mood States scale
  • Negative and Positive Mood State Short Form

ASJC Scopus subject areas

  • Applied Psychology
  • Social Psychology
  • Psychology (miscellaneous)

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