Melbourne School of Psychological Sciences - Research Publications

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Author: Bastian, Brock × Author: Kalokerinos, Elise × Start date: 2020 × End date: 2022 ×

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    The Relation Between Positive and Negative Affect Becomes More Negative in Response to Personally Relevant Events
    Dejonckheere, E ; Mestdagh, M ; Verdonck, S ; Lafit, G ; Ceulemans, E ; Bastian, B ; Kalokerinos, EK (AMER PSYCHOLOGICAL ASSOC, 2021-03)
    Can we experience positive (PA) and negative affect (NA) separately (i.e., affective independence), or do these emotional states represent the mutually exclusive ends of a single bipolar continuum (i.e., affective bipolarity)? Building on previous emotion theories, we propose that the relation between PA and NA is not invariable, but rather fluctuates in response to changing situational demands. Specifically, we argue that our affective system shifts from relative independence to stronger bipolarity when we encounter events or situations that activate personally relevant concerns. We test this idea in an experience sampling study, in which we tracked the positive and negative emotional trajectories of 101 first-year university students who received their exam results, an event that potentially triggers a personally significant concern. Using multilevel piecewise regression, we show that running PA-NA correlations become increasingly more negative in the anticipation of results release, indicating stronger affective bipolarity, and ease back toward greater independence as time after this event passes. Furthermore, we show that this dynamic trajectory is particularly apparent for event-related PA and NA, and not affect in general, and that such shifts are partly a function of the importance people attribute to that event. We suggest that such flexible changes in the affect relation may function as an emotional compass by signaling personally relevant information, and create a motivational push to respond to these meaningful events in an appropriate manner. (PsycInfo Database Record (c) 2021 APA, all rights reserved).
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    Neuroticism may not reflect emotional variability
    Kalokerinos, EK ; Murphy, SC ; Koval, P ; Bailen, NH ; Crombez, G ; Hollenstein, T ; Gleeson, J ; Thompson, RJ ; Van Ryckeghem, DML ; Kuppens, P ; Bastian, B (NATL ACAD SCIENCES, 2020-04-28)
    Neuroticism is one of the major traits describing human personality, and a predictor of mental and physical disorders with profound public health significance. Individual differences in emotional variability are thought to reflect the core of neuroticism. However, the empirical relation between emotional variability and neuroticism may be partially the result of a measurement artifact reflecting neuroticism's relation with higher mean levels-rather than greater variability-of negative emotion. When emotional intensity is measured using bounded scales, there is a dependency between variability and mean levels: at low (or high) intensity, it is impossible to demonstrate high variability. As neuroticism is positively associated with mean levels of negative emotion, this may account for the relation between neuroticism and emotional variability. In a metaanalysis of 11 studies (N = 1,205 participants; 83,411 observations), we tested whether the association between neuroticism and negative emotional variability was clouded by a dependency between variability and the mean. We found a medium-sized positive association between neuroticism and negative emotional variability, but, when using a relative variability index to correct for mean negative emotion, this association disappeared. This indicated that neuroticism was associated with experiencing more intense, but not more variable, negative emotions. Our findings call into question theory, measurement scales, and data suggesting that emotional variability is central to neuroticism. In doing so, they provide a revisionary perspective for understanding how this individual difference may predispose to mental and physical disorders.