WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection
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Browsing WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection by Department "İİSBF, Psikoloji Bölümü"
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Article Citation - WoS: 6Citation - Scopus: 8Social Support and Help-Seeking Worldwide(Springer, 2024) Szkody, Erica; Spence, Anjolee; Ozdogru, Asil; Tushir, Bhawna; Chang, Fennie; Akkas, Handan; Cascalheira, Cory J.; Karakulak, ArzuSocial support has long been associated with positive physical, behavioral, and mental health outcomes. However, contextual factors such as subjective social status and an individual's cultural values, heavily influence social support behaviors (e.g., perceive available social support, accept support, seek support, provide support). We sought to determine the current state of social support behaviors and the association between these behaviors, cultural values, and subjective social support across regions of the world. Data from 6,366 participants were collected by collaborators from over 50 worldwide sites (67.4% or n = 4292, assigned female at birth; average age of 30.76). Our results show that individuals cultural values and subjective social status varied across world regions and were differentially associated with social support behaviors. For example, individuals with higher subjective social status were more likely to indicate more perceived and received social support and help-seeking behaviors; they also indicated more provision of social support to others than individuals with lower subjective social status. Further, horizontal, and vertical collectivism were related to higher help-seeking behavior, perceived support, received support, and provision of support, whereas horizontal individualism was associated with less perceived support and less help-seeking and vertical individualism was associated with less perceived and received support, but more help-seeking behavior. However, these effects were not consistently moderated by region. These findings highlight and advance the understanding of how cross-cultural complexities and contextual distinctions influence an individual's perception, processing, and practice of social support embedded in the changing social landscape.Article Citation - WoS: 13Citation - Scopus: 17Crossing Boundaries: a Pilot Study of Maternal Attitudes About Child Maltreatment in Nine Countries(Elsevier, 2020) Emmen, R; Soares, I; Wang, L; Alink, L; Mesman, J; Mels, C; Asanjarani, F.; Carcamo, R; Hsiao, C; Selcuk, B; Branger, M.a, Woudstra, M.-L; Yavuz, Melis; Van Ginkel, JBackground: Definitions of child maltreatment vary widely between studies, and even more so between different cultural contexts. Objective: In this pilot study, we examine between-country variations in maternal notions about what constitutes child maltreatment. Participants and setting: The sample consisted of 466 mothers recruited in Chile, China, Greece, Iran, the Netherlands, Portugal, South Africa, Turkey, and Uruguay. Methods: All mothers completed a new Q-sort measure, ranking 90 parenting behaviors linked to subtypes of maltreatment (emotional neglect, emotional abuse, physical neglect, and physical abuse) from least to most detrimental to child development. Results: Between-country agreement regarding the harmfulness of the parenting behaviors was high (r =.45), but there were different patterns of reported harmfulness of subtypes of maltreatment (although driven mostly by deviating patterns in the South African sample). Further, there were significant country effects on the number and type of behaviors labeled as maltreatment (p?2 =.15), and the number of items labeled as requiring intervention (p?2 =.19). Conclusions: Variations in conceptions of maltreatment need to be studied in larger more representative samples and taken into account in the assessment and treatment of child maltreatment across cultures.Article Citation - Scopus: 1When Words and Pointing Compete: Young Children's Referential Comprehension Under Uncertainty(Elsevier Science Inc, 2025) Ates, A. Beyza; Kuntay, Aylin C.The present research comprised two studies examining how 2- to 4-year-old children resolve referential uncertainty. Study 1 investigated first touches-objects initially selected or touched immediately-and takeaways-objects ultimately selected or given-as two distinct object selection behaviors, along with the verbal responses accompanying them. Study 2 explored how communicative context (i.e., preactivation of familiar object labels prior to object selection) and child characteristics (i.e., age, vocabulary knowledge, and selective attention) influenced children's referential strategies. Using a modified version of Grassmann and Tomasello's (2010) paradigm, two experimental conditions were implemented: In the Familiar-Familiar condition, when presented with two familiar objects, Experimenter 1 labeled one object to be given to Experimenter 2, while pointing to the other. In the Novel-Familiar condition, when presented with one novel and one familiar object, Experimenter 1 used a novel label while pointing to the familiar object. Results demonstrated that ostensive pointing was a stronger cue than verbal labeling in guiding children's object selections. Children modified their selections between first touches and takeaways in 17-34% of trials or verbally responded to the contradiction in 13-40% of trials. Furthermore, preactivation of familiar object labels and individual characteristics-particularly age and selective attention-were linked to variations in referential strategies. These findings highlight the complexity of referential resolution, where children integrate verbal and nonverbal cues, providing nuances about communicative development and insights about how it could be supported.Article Citation - WoS: 3Citation - Scopus: 7The Coronavirus Anxiety Scale: Cross-National Measurement Invariance and Convergent Validity Evidence(Psychological assessment, 2024) Abdelrahman, Mohamed; Rudnev, Maksim; Adebayo, Damilola Fisayo; Karakulak, Arzu; Akaliyski, Plamen; Jovanovic, Veljko; Abdul Kadir, Nor Ba'yahCoronavirus Anxiety Scale (CAS) is a widely used measure that captures somatic symptoms of coronavirus-related anxiety. In a large-scale collaboration spanning 60 countries (Ntotal = 21,513), we examined the CAS's measurement invariance and assessed the convergent validity of CAS scores in relation to the fear of COVID-19 (FCV-19S) and the satisfaction with life (SWLS-3) scales. We utilized both conventional exact invariance tests and alignment procedures, with results revealing that the single-factor model fit the data well in almost all countries. Partial scalar invariance was supported in a subset of 56 countries. To ensure the robustness of results, given the unbalanced samples, we employed resampling techniques both with and without replacement and found the results were more stable in larger samples. The alignment procedure demonstrated a high degree of measurement invariance with 9% of the parameters exhibiting noninvariance. We also conducted simulations of alignment using the parameters estimated in the current model. Findings demonstrated reliability of the means but indicated challenges in estimating the latent variances. Strong positive correlations between CAS and FCV-19S estimated with all three different approaches were found in most countries. Correlations of CAS and SWLS-3 were weak and negative but significantly differed from zero in several countries. Overall, the study provided support for the measurement invariance of the CAS and offered evidence of its convergent validity while also highlighting issues with variance estimation.Article An Intersectionality Perspective of Organizational Stereotypes and Interpersonal Dynamics(Springer, 2024) İşiaçık, Serin; Turnalar Çetinkaya, NeslihanPeople have overlapping identities that impact their experiences. It is, therefore, essential to examine relationships between social identities to understand stereotypes and their effects better. The primary objective of this study was to explore perceptions of sexual orientation, age, gender, ethnicity, and stereotypical attributes of warmth and competence in a Turkish organizational context. The secondary objective was to discern coworker and manager preferences based on the intersection of these categories. A sample of 451 university students rated hypothetical work profiles. Analysis showed that Turkishness was pivotal in shaping social perceptions and workplace relationship preferences. The integration of stigmatized group categories, such as Kurdish identity, with non-stigmatized categories showed adverse impacts on preferences. The research highlights the importance of studying the interplay among diverse identity categories when analyzing social dynamics. We propose practical and theoretical implications concerning workplace diversity and discrimination.Article Citation - WoS: 11Citation - Scopus: 12Social Mindfulness Predicts Concern for Nature and Immigrants Across 36 Nations(Nature Portfolio, 2022) Peker, Müjde; Van Lange, Paul A. M.; Acevedo-Triana, Cesar; Van Doesum, Niels J.; Kirkland, Kelly; Ausmees, Liisi; Amiot, Catherine E.People cooperate every day in ways that range from largescale contributions that mitigate climate change to simple actions such as leaving another individual with choice - known as social mindfulness. It is not yet clear whether and how these complex and more simple forms of cooperation relate. Prior work has found that countries with individuals who made more socially mindful choices were linked to a higher country environmental performance - a proxy for complex cooperation. Here we replicated this initial finding in 41 samples around the world, demonstrating the robustness of the association between social mindfulness and environmental performance, and substantially built on it to show this relationship extended to a wide range of complex cooperative indices, tied closely to many current societal issues. We found that greater social mindfulness expressed by an individual was related to living in countries with more social capital, more community participation and reduced prejudice towards immigrants. Our findings speak to the symbiotic relationship between simple and more complex forms of cooperation in societies.Article Citation - WoS: 4Citation - Scopus: 6Exploring Individual Differences in Infants' Looking Preferences for Impossible Events: the Early Multidimensional Curiosity Scale(Frontiers Media Sa, 2023) Sen, Hilal H. H.; Lucca, Kelsey; Lazaro, Vanessa; Lee, Nayen; Wang, Jinjing JennyInfants are drawn to events that violate their expectations about the world: they look longer at physically impossible events, such as when a car passes through a wall. Here, we examined whether individual differences in infants' visual preferences for physically impossible events reflect an early form of curiosity, and asked whether caregivers' behaviors, parenting styles, and everyday routines relate to these differences. In Study 1, we presented infants (N = 47, M-age = 16.83 months, range = 10.29-24.59 months) with events that violated physical principles and closely matched possible events. We measured infants' everyday curiosity and related experiences (i.e., caregiver curiosity-promoting activities) through a newly developed curiosity scale, The Early Multidimensional Curiosity Scale (EMCS). Infants' looking preferences for physically impossible events were positively associated with their score on the EMCS, but not their temperament, vocabulary, or caregiver trait curiosity. In Study 2A, we set out to better understand the relation between the EMCS and infants' looking preferences for physically impossible events by assessing the underlying structure of the EMCS with a larger sample of children (N = 211, M-age = 47.63 months, range = 10.29-78.97 months). An exploratory factor analysis revealed that children's curiosity was comprised four factors: Social Curiosity, Broad Exploration, Persistence, and Information-Seeking. Relatedly, caregiver curiosity-promoting activities were composed of five factors: Flexible Problem-Solving, Cognitive Stimulation, Diverse Daily Activities, Child-Directed Play, and Awe-Inducing Activities. In Study 2B (N = 42 infants from Study 1), we examined which aspects of infant curiosity and caregiver behavior predicted infants' looking preferences using the factor structures of the EMCS. Findings revealed that infants' looking preferences were uniquely related to infants' Broad Exploration and caregivers' Awe-Inducing Activities (e.g., nature walks with infants, museum outings). These exploratory findings indicate that infants' visual preferences for physically impossible events may reflect an early form of curiosity, which is related to the curiosity-stimulating environments provided by caregivers. Moreover, this work offers a new comprehensive tool, the Early Multidimensional Curiosity Scale, that can be used to measure both curiosity and factors related to its development, starting in infancy and extending into childhood.Article Citation - WoS: 4Citation - Scopus: 4Individual Differences in Collectivism Predict City Identification and City Evaluation in Australian, French and Turkish Cities(Elsevier, 2017) Rubin, Mark; Morrison, Tessa; Peker, Müjde; Mahfud, Yara; Badea, Constantina; Condie, JennaCollectivism is a sociocultural variable that predicts how people relate to social groups. Cities are social groups. Hence, collectivism should predict how people relate to cities. To test this prediction, the researchers sampled 1660 residents of four cities in three countries. Participants completed an online survey containing measures of collectivism, city identification, and city evaluation. Results showed that, within each city sample and across the combined samples, a specific measure of collectivism called collective interdependent self-construal was positively related to city evaluation. Furthermore, city identification mediated the relation between collective interdependent self-construal and city evaluation. These results demonstrate that people's general tendency to construe social groups as part of their self predicts their identification with their city, which in turn helps to explain their positive appraisal of their city. These results are discussed from the perspectives of both environmental psychology and social psychology.Article Citation - WoS: 11Citation - Scopus: 10Is the Road Still Bumpy Without the Most Frequent Life Events?(Wiley, 2017) Gülgöz, Sami; Ece, BerivanTwo studies were conducted to explore the effect of the most frequent life events on the reminiscence bump. Thefirststudy examined the life scripts and autobiographical memories of 44 adults [Mage= 62.8, standard deviation (SD) = 2.8] byremoving the most frequent 10 life events. The regular reminiscence bump disappeared in the distribution of both event types.The second study explored whether results of thefirst study would be extended to autobiographical memories evoked by differentmethods. Cue word and important memories reported by 64 adults (Mage= 66.6, SD = 2.8) were examined. Important memorieshad later bump than cue word memories, but removing the top 10 life events affected the bumps of both memory types with astronger impact on important memories. Different retrieval strategies activated by these two methods may lead to differenttemporal peaks, which further influence the sensitivity of distributions to the most frequent life event categories.Article Citation - WoS: 6Citation - Scopus: 8The Professional Experiences and Training Needs of Probation Officers in Turkey(SAGE Publications, 2018) Aydoğan, Ramazan; Ergin, Murat; Şahin, Banu Çankaya; Safi, Ommay Aiman; Tuncer, Ayşe EsraSummary The current study uses a series of focus groups and participatory methodology to investigate the work experiences and needs of Turkish probation officers and their directors. All participants were employed at an office of Parole and Probation in Istanbul, Turkey. During the concurrent focus groups, officers (n?=?57) discussed their daily work experiences and needs (Phase I). A follow-up focus group was conducted (n?=?25) to discuss potential interpretations of the themes and generate solutions (Phase II), followed by a mini-focus group with the directors (n?=?5) to explore their experiences with the probation system and officer training (Phase III). Findings Officers identified needs for training, improvements of the work environment, professional support, and more thorough risk assessment tools. The follow-up focus group revealed that officers were highly motivated to improve their rehabilitative skills but felt constrained in supervising offenders in the punitive justice system. Several solutions generated through focus groups included mentoring programs to support novice officers, training programs to acquire interviewing skills, and team building activities and events to increase morale. Application The current study bridges the gap between officers and directors in the probation system and generates solutions to the occupational needs of officers. Researchers communicated those needs to the directors, and the study initiated action toward implementing rehabilitative training programs for officers with a particular focus on risk assessment and basic clinical skills. The study has direct implications for the improvement of probation practice and supervision in Turkey.Article Citation - WoS: 13Citation - Scopus: 17Consistency of Adults’ Earliest Memories Across Two Years(Taylor & Francis, 2019) Gülgöz, Sami; Demiray, Burcu; Ece, BerivanThe consistency of earliest memories in content, dating, and memory qualities was investigated. A total of 84 (27 males; Mage = 24.93, SD = 1.36) adults reported earliest memories, estimated ages, and rated their recollections on memory qualities with a two-year time lag. At Time 2, their original reports at Time 1 were presented and they were asked to report whether the earliest memories they recalled at Time 2 were the same. Fifty-six per cent of the participants reported the same earliest memories and those remembering the same events had earlier memories than those remembering different ones. Although no significant differences were observed in estimated ages on the basis of mean ages, a predating bias of later memories and a tendency to postdate earlier memories were observed on the basis of a 48-month cut-off point. Thus, how the data is analysed is critical in detecting dating biases or errors affecting conclusions and interpretations about the dating consistency of earliest memories. Finally, memory qualities of earliest memories displayed a high level of consistency with a two-year time lag regardless of remembering the same versus different event.Article Citation - WoS: 40Citation - Scopus: 43The Age of Anxiety? It Depends Where You Look: Changes in Stai Trait Anxiety, 1970-2010(Springer, 2016) Booth, Robert William; Leader, Tirza I.; Sharma, DinkarPurpose : Population-level surveys suggest that anxiety has been increasing in several nations, including the USA and UK. We sought to verify the apparent anxiety increases by looking for systematic changes in mean anxiety questionnaire scores from research publications. Methods : We analyzed all available mean State–Trait Anxiety Inventory scores published between 1970 and 2010. We collected 1703 samples, representing more than 205,000 participants from 57 nations. Results : Results showed a significant anxiety increase worldwide, but the pattern was less clear in many individual nations. Our analyses suggest that any increase in anxiety in the USA and Canada may be limited to students, anxiety has decreased in the UK, and has remained stable in Australia. Conclusions : Although anxiety may have increased worldwide, it might not be increasing as dramatically as previously thought, except in specific populations, such as North American students. Our results seem to contradict survey results from the USA and UK in particular. We do not claim that our results are more reliable than those of large population surveys. However, we do suggest that mental health surveys and other governmental sources of disorder prevalence data may be partially biased by changing attitudes toward mental health: if respondents are more aware and less ashamed of their anxiety, they are more likely to report it to survey takers. Analyses such as ours provide a useful means of double-checking apparent trends in large population surveys.Article Examining the Role of Dark and Light Triad Traits on Sociosexuality(Routledge Journals, Taylor & Francis Ltd, 2025) Urganci, Betul; Sevi, Baris; Dogruyol, Burak; Sakman, EzgiSociosexual orientation-the tendency toward casual sex, is associated with dispositional components of personality such as higher scores of Dark Triad traits (narcissism, Machiavellianism, and psychopathy). Yet, it remains unknown which specific Dark Triad traits and Light Triad traits (Kantianism, Humanism, and Faith in Humanity) predict sociosexuality and its dimensions while controlling for the others. In the current study, using an online community sample (N = 308), we examined the links between Dark Triad traits, Light Triad traits, overall sociosexuality, and sociosexuality dimensions (attitude, behavior, desire). Using hierarchical regression, we found that only psychopathy emerged as the predictor of behavior, desire, attitude dimensions, and sociosexuality total score. This effect held when controlling for age, sex, relationship status, the other two Dark personality traits, and the Light Triad. Results suggest that individuals high on psychopathy have a greater tendency toward uncommitted relationships.Article Citation - WoS: 50Citation - Scopus: 49Subjective Status and Perceived Legitimacy Across Countries(John Wiley and Sons, 2020) Andrighetto, Luca; Croizet, Jean‐claude; Bocian, Konrad; Essien, Iniobong; Batruch, Anatolia; Autin, Frederique; Durante, Federica; Bukowski, Marcin; De Lemus, Soledad; Babincak, Peter; Conway, Paul; Bae, Jaechang; Easterbrook, Matthew J.; Brandt, Mark J.; Dragon, Piotr; Crawford, Jarret T.; Bourguignon, David; Butler, Sarah E.; Butera, Fabrizio; Chryssochoou, Xenia; Becker, Julia C.; Spears, Russell; Bodroža, Bojana; Forgas, Joseph P.; Badea, Constantina; Peker, Müjde; Degner, Juliane; Kuppens, ToonThe relationships between subjective status and perceived legitimacy are important for understanding the extent to which people with low status are complicit in their oppression. We use novel data from 66 samples and 30 countries (N = 12,788) and find that people with higher status see the social system as more legitimate than those with lower status, but there is variation across people and countries. The association between subjective status and perceived legitimacy was never negative at any levels of eight moderator variables, although the positive association was sometimes reduced. Although not always consistent with hypotheses, group identification, self-esteem, and beliefs in social mobility were all associated with perceived legitimacy among people who have low subjective status. These findings enrich our understanding of the relationship between social status and legitimacy.Article Citation - WoS: 1Citation - Scopus: 2Majority Grievance in Germany: the Role of Entitlement Beliefs and Ingroup Threat(Educational Publishing Foundation-american Psychological Assoc, 2023) Stucke, Frederike; Okuyan, Mukadder; Loreth, LukasGroup-based grievance has mainly been studied from the perspective of disadvantaged and minority groups. Following the refugee crisis and corresponding sociopolitical changes, there has also been an increase in perceived grievance among majority groups in many European countries. The present studies examined the role of perceived threat in the relationship between autochthony-based entitlement and group grievances among members of the German majority. Across three correlational studies, we tested whether threat moderates versus mediates this relationship. In Study 1, using a nationally representative sample, we found support for threat serving as a mediator of the relationship between autochthony-based entitlement and majority grievance. We replicated this finding in Studies 2 (N = 380) and 3 (N = 614) using convenience samples. We discuss the diverse roles played by perceived threat in predicting defensive reactions by majority groups and the importance of studying perceived entitlement in majority groups' grievance claims.Article Citation - WoS: 10Citation - Scopus: 9When the Personal and the Collective Intersects: Memory, Future Thinking, and Perceived Agency During the Covid-19 Pandemic(American Psychological Association, 2024) Topcu, Meymune Nur; Hirst, WilliamDo collective crises have an impact on the characteristics of mental time travel for individuals and collectives? The COVID-19 pandemic provides a unique context to address this question due to the intersection it created between the personal and the collective domains. In two studies (N = 273), we examined the valence and perceived agency involved in memory and future thinking for personal and collective domains. The second study also included a longitudinal component with 43 participants completing both studies. In research done prior to the pandemic, a valence-based dissociation between personal and collective events was consistently observed in Western samples. We wanted to see if these patterns changed during different stages of the pandemic. In the first study, participants no longer exhibited the usual positivity bias for the personal future, while in the second study, they did not exhibit the usual negativity bias for the collective future. The second aim of the current article was to assess the agency people attribute to themselves and their nation over events and how that relates to valence. People always attributed more agency to themselves over positive events than negative events in both personal and collective domains. Perceived nation agency, however, was associated with positivity in the collective domain but with negativity in the personal domain. Longitudinal analyses confirmed these patterns. Taken together, these results indicate that a collective crisis that has immediate and profound effects on personal lives can alter the patterns observed for mental time travel, especially for the future.Article Citation - WoS: 8Citation - Scopus: 7State Anxiety Impairs Attentional Control When Other Sources of Control Are Minimal(Taylor & Francis, 2016) Booth, Robert William; Peker, MüjdeResearch suggests anxiety impairs attentional control; however, this effect has been unreliable. We argue that anxiety’s impairment of attentional control is subtle, and can be obscured by other non-emotional sources of control. We demonstrate this by examining conflict adaptation, an enhancement in attentional control following a trial with high conflict between distracter and target stimuli. Participants completed a Stroop task featuring incongruent (e.g. RED in green font; high-conflict) and control (e.g. +++ in green font; low-conflict) trials. More state-anxious participants showed greater Stroop interference following control trials, but interference was uniformly low following incongruent trials. This suggests state anxiety can impair attention, but other sources of top-down control – such as conflict adaptation – can easily overcome this impairment. This is consistent with recent theories of anxious cognition and shows that anxiety researchers must attend to the dynamics and sources of attentional control.Article Citation - WoS: 1Citation - Scopus: 2Dataseton Maternal Attitudes About Child Maltreatment in Nine Countries Using a Q-Sort Methodology(Elsevier, 2020) Mels, Cindy; Alink, Lenneke; Branger, Marjolein; Carcamo, Rodrigo; Van Ginkel, Joost); Wang, Lamei; Yavuz Müren, Melis; Asanjarani, Faramarz; Soares, Isabel; Emmen, Rosanneke; Selcuk, Bilge; Hsiao, Celia; Woudstra, Mi-lan; Mesman, JudiAnalyses of the present data are reported in the article "Crossing Boundaries: A Pilot Study of Maternal Attitudes about Child Maltreatment in Nine Countries"[8]. Data were collected during home visits using the Maltreatment Q-Sort (MQS). A total of 466 mothers from nine different countries gave their opinion about child maltreatment by sorting 90 cards with parenting behaviors taken from the literature that reflect four types of child maltreatment, into 9 evenly distributed stacks (with 10 cards each) from least to most harmful for the child. This data article provides an overview of the content of the 90 items, which type of maltreatment they reflect, and the source of the items. The percentage of mothers labelling each of the MQS items as maltreatment is also presented. In addition, instructions are included about the administration of the MQS as well as data-entry and analyses of Q-sort data, accompanied by example datasets and syntaxes. This can serve as a manual for researchers interested in using Q-sort data.Article Citation - WoS: 5Citation - Scopus: 4Favoring Inequalities and Mind-Reading: Social Dominance Orientation Relates To Poor Mentalizing(Sage Publications Inc, 2023) Ekerim-Akbulut, Müge; Selçuk, BilgeAlthough studies have so far investigated social dominance orientation (SDO) in relation to its association with prejudice and discrimination toward outgroups, it is not known whether SDO's link with poor intergroup relations might be underlined by specific socio-cognitive factors such as reduced mind-reading motivation (MRM) and poor mind-reading performance. The present study tested whether endorsement of SDO is associated with decreased MRM and mind-reading accuracy toward both ingroup and outgroup targets. We randomly assigned one hundred and 20 Turkish university students (M- age = 22.02) into two target groups for mind-reading, Turkish ingroup (N = 60) and Syrian outgroup (N = 60), and asked them to infer minds of either ingroup or outgroup members depending on their target group. Participants also reported their level of MRM and SDO through questionnaires. When the target was a Turkish ingroup member, SDO negatively and directly predicted mind-reading, when the target was an outgroup member, however, higher SDO indirectly predicted lower mind-reading through reduced MRM. These results pointed that favoring intergroup hierarchies relates to poor understanding of others' mental states although the mechanism of the relation changes depending on the group membership of the target.Article Citation - WoS: 9Citation - Scopus: 9A Longitudinal Assessment of Variability in Covid-19 Vaccine Hesitancy and Psychosocial Correlates in a National United States Sample(Elsevier Sci Ltd, 2023) Shook, Natalie J.; Oosterhoff, Benjamin; Sevi, BarışRecent evidence suggests that COVID-19 vaccine hesitancy is not static. In order to develop effective vaccine uptake interventions, we need to understand the extent to which vaccine hesitancy fluctuates and identify factors associated with both between- and within-person differences in vaccine hesitancy. The goals of the current study were to assess the extent to which COVID-19 vaccine hesitancy varied at an individual level across time and to determine whether disgust sensitivity and germ aversion were associated with between- and within-person differences in COVID-19 vaccine hesitancy. A national sample of U.S. adults (N = 1025; 516 woman; M-age = 46.34 years, SDage = 16.56, range: 18 to 85 years; 72.6 % White) completed six weekly online surveys (March 20 - May 3, 2020). Between-person mean COVID-19 vaccine hesitancy rates were relatively stable across the six-week period (range: 38-42 %). However, there was considerable within-person variability in COVID-19 vaccine hesitancy. Approximately, 40 % of the sample changed their vaccine hesitancy at least once during the six weeks. There was a significant between-person effect for disgust sensitivity, such that greater disgust sensitivity was associated with a lower likelihood of COVID-19 vaccine hesitance. There was also a significant within-person effect for germ aversion. Participants who experienced greater germ aversion for a given week relative to their own six week average were less likely to be COVID-19 vaccine hesitant that week relative to their own six-week average. This study provides important information on rapidly changing individual variability in COVID-19 vaccine hesitancy on a weekly basis, which should be taken into consideration with any efforts to decrease vaccine hesitancy and increase vaccine uptake. Further, these findings identify-two psychological factors (disgust sensitivity and germ aversion) with malleable components that could be leveraged in developing vaccine uptake interventions.

