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	Affective Events Theory	Utrecht Work Engagement Scale
Campo	Comportamento organizzativo	Psicologia sociale
Famiglia	Process / pipeline	Process / pipeline
Anno di origine	1996	2002
Ideatore	Howard Weiss & Russell Cropanzano	Wilmar Schaufeli, Arnold Bakker, and Marisa Salanova
Tipo	Theoretical framework linking workplace events, affect, and behavior	Occupational well-being and engagement scale
Fonte seminale	Weiss, H. M., & Cropanzano, R. (1996). Affective events theory: A theoretical discussion of the structure, causes and consequences of affective experiences at work. Research in Organizational Behavior, 18, 1-74. ISBN: 9781559389389	Schaufeli, W. B., Salanova, M., González-Romá, V., & Bakker, A. B. (2002). The measurement of engagement and burnout: A two sample confirmatory factor analytic approach. Journal of Happiness Studies, 3(1), 71–92.
Alias	AET, Weiss-Cropanzano Affective Events Framework, Affective Events Framework, Events-Affect-Behavior Model	UWES, Work Engagement Scale, Schaufeli Work Engagement
Correlati	3	3
Sintesi	Affective Events Theory (AET) is the macro framework that reoriented organizational research toward emotions and the events that cause them. Proposed by Howard Weiss and Russell Cropanzano in 1996, it argues that features of the work environment give rise to discrete events — daily hassles and uplifts — that trigger affective reactions, and that these momentary emotions, not just stable attitudes, drive how people behave at work. The theory's central insight is to distinguish affect-driven behaviors, which flow directly from emotional states, from judgment-driven behaviors, which flow from evaluative attitudes like job satisfaction. It also positions dispositions, such as trait affectivity, as shaping how strongly people react to events. Weiss and Beal's 2005 reflection clarified the theory's structure and its methodological demands, especially the need for within-person, over-time data. AET supplied the conceptual rationale for the experience-sampling and diary revolution in organizational behavior.	The Utrecht Work Engagement Scale (UWES) is a 17-item instrument measuring work engagement—a positive, fulfilling psychological state characterized by vigor, dedication, and absorption in work. Developed by Wilmar Schaufeli and colleagues in 2002, the UWES operationalizes engagement as the positive antipode to burnout, reflecting energetic involvement, strong commitment, and deep focus in occupational tasks. The scale has become the standard measure for assessing work engagement in organizational research and occupational health.