Article (Scientific journals)
Validation and Psychometric Properties of the French Versions of the Environmental Reward Observation Scale and of the Reward Probability Index
Wagener, Aurélie; Blairy, Sylvie
2015In Psychologica Belgica
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Keywords :
environmental reward; Environmental Reward Observation Scale; Reward Probability Index; validation; psychometric properties
Abstract :
[en] Background: Low levels of environmental rewards have been related to depression on a number of occasions in the scientific literature. Two scales have been created to assess environmental rewards: the Environmental Reward Observation Scale (EROS) and the Reward Probability Index (RPI). This study aims to validate the French versions of these two scales. Method: 466 non-clinical adults completed an online survey assessing environmental rewards, depression, anxiety, activation, avoidance and behavioural systems. Confirmatory factor analyses were performed to assess the factorial structures of the French EROS and RPI. Results: A one-factor solution for the EROS and a two-factor solution for the RPI best fitted the data. High levels of internal consistency were found for both the EROS and the RPI. Convergent validity was also examined, revealing that high environmental rewards appear to be related to activation and behavioural activation system. Conclusion: The French versions of the EROS and the RPI appear to be reliable assessments of environmental rewards.
Research center :
Unité de Psychologie Clinique Comportementale et Cognitive
Disciplines :
Treatment & clinical psychology
Author, co-author :
Wagener, Aurélie  ;  Université de Liège > Département de Psychologie : cognition et comportement > Psychologie clinique cognitive et comportementale
Blairy, Sylvie ;  Université de Liège > Département de Psychologie : cognition et comportement > Psychologie clinique cognitive et comportementale
Language :
English
Title :
Validation and Psychometric Properties of the French Versions of the Environmental Reward Observation Scale and of the Reward Probability Index
Publication date :
2015
Journal title :
Psychologica Belgica
ISSN :
0033-2879
eISSN :
2054-670X
Publisher :
Academia Press, Gent, Belgium
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
Available on ORBi :
since 27 May 2015

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