Psychometric Properties of the Reward Probability Index in a Mexican Sample.

IF 2 3区 心理学 Q3 PSYCHOLOGY, CLINICAL
Behavior Modification Pub Date : 2025-05-01 Epub Date: 2025-03-27 DOI:10.1177/01454455251326880
Javier M Bianchi, José Carlos Ramírez-Cruz, Raúl Alejandro Fierro Jimenez, Cindy Anadela Cruz Navarrete, María Luisa Avalos Latorre
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引用次数: 0

Abstract

The psychometric properties of the Reward Probability Index (RPI), which assesses environmental reward as an indirect measure of response-contingent positive reinforcement (RCPR), were estimated in a Mexican population. With the voluntary participation of 1297 adults, reliability was assessed, and evidence was collected regarding the internal structure and its relationship with emotional symptomatology and other variables. Good internal consistency indices (ω and α) were found for both the total scale and its dimensions. A two-dimensional structure, comprising Reward Probability and Environmental Suppressors, and a second-order factor consistent with RCPR theory, was confirmed. This model demonstrated measurement invariance across sex, mental health treatment status, and the presence or absence of emotional symptomatology. Consistent relationships were observed between RPI scores and emotional symptomatology, psychological inflexibility, and life satisfaction. Additionally, evidence was found supporting the criterion validity of the RPI in relation to depression. RPI is a psychometrically solid instrument, and its use is recommended in the Mexican population to account for environmental reward, utilizing a total score and by dimensions.

墨西哥样本奖励概率指数的心理测量特征。
奖励概率指数(RPI)是评估环境奖励作为反应-偶然正强化(RCPR)的间接措施的心理测量学性质,在墨西哥人群中进行了估计。在1297名成年人自愿参与的情况下,评估了信度,并收集了关于内部结构及其与情绪症状学和其他变量的关系的证据。总量表及其各维度均有良好的内部一致性指标(ω和α)。该模型的二维结构包括奖励概率和环境抑制因子,以及一个符合RCPR理论的二阶因子。该模型证明了跨性别、心理健康治疗状况和存在或不存在情绪症状的测量不变性。RPI评分与情绪症状、心理不灵活性和生活满意度之间存在一致的关系。此外,证据被发现支持RPI的标准效度与抑郁症有关。RPI是一种心理计量学上可靠的工具,建议在墨西哥人口中使用它来解释环境奖励,利用总分和维度。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Behavior Modification
Behavior Modification PSYCHOLOGY, CLINICAL-
CiteScore
5.30
自引率
0.00%
发文量
27
期刊介绍: For two decades, researchers and practitioners have turned to Behavior Modification for current scholarship on applied behavior modification. Starting in 1995, in addition to keeping you informed on assessment and modification techniques relevant to psychiatric, clinical, education, and rehabilitation settings, Behavior Modification revised and expanded its focus to include treatment manuals and program descriptions. With these features you can follow the process of clinical research and see how it can be applied to your own work. And, with Behavior Modification, successful clinical and administrative experts have an outlet for sharing their solutions in the field.
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