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Related Experiment Video

Updated: May 6, 2026

A Protocol for Measuring Cue Reactivity in a Rat Model of Cocaine Use Disorder
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The Crack Use Relapse Scale (CURS): development and psychometric validation.

Rosemeri Pedroso1, Márcia Pettenon, Luciano Guimarães

  • 1Universidade Federal do Rio Grande do Sul, Centro de Pesquisa em Álcool e Drogas, Porto AlegreRS, Brazil.

Revista Brasileira De Psiquiatria (Sao Paulo, Brazil : 1999)
|October 22, 2013
PubMed
Summary

The Crack Use Relapse Scale (CURS) was developed and validated for inpatient male crack cocaine users. This six-factor scale demonstrates good reliability and validity for assessing relapse dimensions.

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Area of Science:

  • Psychology
  • Addiction Medicine
  • Psychometrics

Background:

  • Crack cocaine addiction is a significant public health issue.
  • Assessing relapse risk is crucial for effective treatment.
  • Validated instruments are needed to measure relapse dimensions in clinical settings.

Purpose of the Study:

  • To develop and validate the Crack Use Relapse Scale (CURS).
  • To assess the psychometric properties of the CURS in an inpatient population.

Main Methods:

  • A pilot study generated items for the scale.
  • A cross-sectional study involved 333 hospitalized male crack users.
  • A 25-item, five-point Likert scale was administered.

Main Results:

  • Exploratory factor analysis identified a six-factor model.
  • The scale demonstrated good reliability with Cronbach's alpha = 0.86.
  • The six factors explained 62.1% of the total variance.

Conclusions:

  • The CURS is a valid and reliable instrument.
  • The six-factor model effectively captures dimensions of crack cocaine relapse.
  • The CURS has satisfactory psychometric properties for clinical use.