Individual Difference Variables Research Articles

Testing the dual-memory framework: individual differences in the magnitude of the retrieval practice effect and fluid intelligence.

Retrieving information from memory enhances long-term retention. In this manuscript, we describe the dual-memory framework, which makes interval-scale predictions of the magnitude of this retrieval practice effect. After outlining the framework, we use data from our laboratory-both at the group level and at the distribution level-to fit the equations from the dual-memory framework. Overall, we successfully fitted the model predictions to the observed average data. In addition, we compared the predicted and the observed distributions of performance in the retrieval practice condition. More importantly, we introduce a useful approach to simulate empirical scenarios and test the relationship between individual-difference variables and the retrieval practice effect. We illustrate the application of this approach using data from a study that measured fluid intelligence. Future studies may benefit from contrasting different strength-based frameworks.

Individual Difference Predictors of Attitudes toward Polyamorous Targets and Likelihood to Date a Polyamorous Partner in a Student Sample

An online survey was completed by a convenience sample of 495 students to assess attitude toward polyamorous targets as an outgroup using 0–100 feeling thermometers. Also assessed was the likelihood of dating a polyamorous partner. These two measures were only weakly related for women participants but modestly related for men participants. Overall, feeling thermometer averages were favorable (66%) but dating likelihood was very low, with 89% rating dating a polyamorous partner as unlikely. Women were slightly more favorable toward polyamorous targets than were men but target gender showed no effect (i.e., ratings of polyamorous men were the same as those of polyamorous women). However, men were slightly more willing to date a polyamorous partner than were women. In terms of personality and individual difference variables as predictors of attitudes, authoritarianism, erotophobia–erotophilia, and participant sexual orientation accounted for a quarter of the variance in feeling thermometer ratings of polyamorous targets. Specifically, those who had lower authoritarianism, were more comfortable with sexuality, and were sexual minority in orientation were likely to rate the polyamorous targets the most favorably. Individual difference variables did not predict willingness to date a polyamorous partner consistently across gender and sexual orientation participant subgroups; the most consistent predictors were sociosexuality and erotophobia–erotophilia. This study adds to our knowledge in a nascent area of sexual attitude and discrimination research—it demonstrates the differences between rating an outgroup person and attitude toward engaging with them personally. The latter appears to involve more complexity in terms of the relationship with personality and the type of social perceiver. More research is needed into the differentiation between general ratings of others who engage in non-mainstream, stigmatized sexual practices versus when the ratings involve personal involvement or behavior of the social perceiver (i.e., such as dating).

The relationship between morningness-eveningness and naturalness bias

ABSTRACT The naturalness bias in which people perceive natural items to be safer, healthier, and better than synthetic alternatives has been found to be associated with numerous individual difference variables (e.g. connectedness to nature and religiosity). However, no research has examined the role of morningness-eveningness in influencing preferences for naturalness. Here, we propose that evening individuals may exhibit a weaker preference for naturalness compared to morning individuals due to their greater exposure to artificial lighting, technology, and stimuli. To systematically test our theoretical perspective, we conducted three complementary and high-powered studies. In an online survey (Study 1), student participants with a stronger evening orientation displayed a diminished preference for natural drugs compared to those with a morning orientation. Using a sample of community adults, Study 2 replicated the findings of Study 1 in a real-world, behavioral context. Study 3 examined the relationship between morningness-eveningness and preference for naturalness within the domain of beverages. The results revealed that individuals with an evening-orientation had decreased odds of selecting natural water without minerals. Taken together, the findings suggest that an individual’s diurnal preference toward eveningness may have implications for their bias toward and perception of naturalness across various domains.

Interactive effects of intrasexual competitiveness, same-sex competition, and physical attractiveness on temporal discounting

Studies have shown that men discount the future and prefer immediate-but-smaller over delayed-but-larger rewards when exposed to mating opportunities (e.g., attractive opposite-sex targets) or threats (e.g., same-sex competition) whereas women's discounting in response to similar cues appears mixed, suggesting that mating-motivated discounting is primarily a male phenomenon. Importantly, this line of research has not yet examined the role of individual difference variables as well as how the attractiveness of potential mates and perceptions of competition jointly influence discounting rates. We conducted a novel test of the effect of trait intrasexual competitiveness (ISC) using dating profiles varying on target attractiveness and same-sex competition to observe their interactive effects on participants' discounting. Results showed that when targets were attractive, higher ISC was associated with steeper discounting for both men and women, and this association was stronger when competition was high rather than low. ISC still predicted discounting when targets were low in attractiveness but competition was high; high ISC did not predict discounting only in the low attractiveness and low competition condition. These findings reveal ISC as a factor that leads women to discount as much as men, and that high-ISC individuals may be more responsive to competition than to target attractiveness.

New insights into the contributions of playfulness to dealing with stress at work: Correlates of self- and peer-rated playfulness and coping strategies

Playfulness is an individual difference variable that enables people to experience and (re)frame situations of everyday life as interesting, entertaining, and/or stimulating. This definition is consistent with a structural model that includes four different playfulness facets: other-directed, lighthearted, intellectual, and whimsical playfulness. In the work context, playfulness has been shown to be related with various outcomes such as innovative behavior or intrinsic goals. We tested adult playfulness' associations with coping strategies employed at work and whether these coping strategies help to transfer the expected association between playfulness and employees' life satisfaction. Study 1 (N = 185; nursery school trainees) provides support for our hypothesis that playfulness is associated with more positive and less negative coping strategies when being confronted with general and work-specific stress. Study 2 (N = 355; employees from various working fields) confirms our results from study 1 by demonstrating that playfulness is related to adaptively coping with work stress. Further, study 2 shows that some playfulness facets were positively related to life satisfaction and that these associations were transferred by coping less negatively with work stress and, to some degree, also by utilizing positive control strategies. Overall, our findings indicate that adults' playfulness is of importance for coping with stress at work and to further explain employees’ life-satisfaction. Directions for future research on playfulness in the work place are discussed.

The Ubiquitous External Ejaculation: Examining Perceptions of Sexual Images Across Cultures.

The persistent debates over pornography have often focused on differences between males and females, not only in the frequency of consumption or the type of material consumed, but also on the different ways that individuals may perceive sexually explicit images and respond to them. Some of these differences may be due to sex differences in a number of factors including sexual strategies, pathogen or sexual disgust, and own mate value as well as within sex differences in these factors. Previous studies have demonstrated that perceptions of sexually explicit images are influenced by the sex of the target in the image and the target's emotional affect, as well as sex of the respondent, their sexual orientation, short-term mating orientation, and disgust measures. However, these previous studies were conducted with participants from the United States alone. This study compared the findings from these US samples to those from non-Western ones (Philippines and Brazil) in order to examine the replicability across cultures of the US results as well as whether some variables (religiosity, for example) account for more or less of the variance in perceptions in different populations. Results indicated that there were some differences in terms of the amount of variance in perceptions explained by different variables across populations. Participant and stimuli related variables explained more variance in the Philippines while individual difference variables accounted for more variance in Brazil.

Effects of mindfulness meditation training offered in-person and via a virtual world on self-compassion: A study with U.S. military active duty and veterans.

Mindfulness-based, in-person programs are effective at reducing stress and enhancing resilience in military and civilian samples, yet few studies have examined or compared training offered via real-time, interactive social media. Such a program would have a wider-reach and could include those unable to attend in-person. There is also interest in resolving ambiguity about the effects of mindfulness training on individual difference variables, such as self-compassion. The purpose of this research was to compare pre/post self-compassion for three interventions; Mindfulness-based Stress Reduction delivered in-person (IP), mindfulness meditation training delivered via a Virtual World (VW), and a wait-list Control Group (CG) among active duty and veteran U.S. military. A 2 (pre/post)×3 (group) factorial design was conducted with 250 active duty and veteran U.S. Military service members, with self-compassion measures as dependent variables. Self Compassion improved 10% for the IP group and 14% for the VW group, while the CG group did not improve. Combined treatment groups yielded a 10.3% improvement in self-compassion compared with no change in the CG and with a group×time interaction effect (p < 0.01). Participants with lower initial self-compassion experienced greater benefits than those with higher baseline self-compassion (p < 0.01). IP and VW Mindfulness Meditation training were equally effective in increasing self-compassion. Adding effective on-line mindfulness delivery will promote self-compassion among a more extensive audience, likely yielding improved coping, confidence, connectedness, cheerfulness, steadiness, and self-satisfaction, while lessening anxiety, fear-of-failure, and stress among participants.

Sexual Minority Identity and Risky Alcohol Use: the Moderating Role of Aggressive Behavior.

Adolescent alcohol use has significant consequences for concurrent and longitudinal health and wellbeing, with sexual minority youth consistently reporting higher levels of alcohol use than their heterosexual peers. Understanding how individual-difference variables like aggressive behavior are associated with variability in sexual minority adolescents' higher levels of alcohol use offers novel theoretical insight into this vulnerability. The 81,509 participants were drawn from the Profiles of Student life: Attitudes and Behavior Study. They were ages 14-17 years (M = 15.38, SD = 1.09) and 50.1% were cisgender girls. For sexual identity, 88% were heterosexual, 5% were mostly heterosexual, were 4% bisexual, were 1% mostly gay or lesbian, and were 1% being gay or lesbian. Participants reported on alcohol use, aggressive behavior, and sexual identity. Gay/lesbian and mostly gay/lesbian adolescents who reported higher aggressive behavior had higher levels of alcohol use than their heterosexual peers who also reported higher aggressive behavior. The way in which aggressive behavior amplified the link between mostly gay/lesbian and gay/lesbian identities and alcohol use suggests the need for more research examining how this trait may heighten both exposure and reaction to minority stressors among some subgroups of sexual minority youth.

Secure attachment priming inhibits the generalization of conditioned fear

BackgroundFear overgeneralization constitutes a susceptibility factor contributing to the development and maintenance of anxiety spectrum disorders. Extant research has demonstrated that exposure to positive and supportive social relationships attenuates fear acquisition and promotes the extinction of conditioned fear responses. However, the literature lacks investigation into the effect of secure attachment priming on inhibiting the generalization of conditioned fear.MethodsIn this study, college students were recruited via online platforms to voluntarily engage in the experimental procedures, resulting in 57 subjects whose data were deemed suitable for analysis. The experimental protocol consisted of four consecutive phases: pre-acquisition, acquisition, priming, and generalization. The priming phase consisted of two experimental conditions: secure attachment priming (experimental group) and positive emotion priming (control group). This study adopted the perceptual discrimination fear conditioning paradigm, employing subjective expectancy of shock ratings and skin conductance responses as primary assessment indices. Individual difference variables were measured using corresponding psychological measurement scales.ResultsIn terms of generalization degree, a notable divergence surfaced in the skin conductance responses across various generalization materials between the secure attachment priming group and the control group. Similarly, during generalization extinction, a significant disparity emerged in the skin conductance responses across different generalization phases between the secure attachment priming group and the control group. In addition, individual differences analyses revealed that the inhibitory effect of secure attachment priming on fear generalization was not affected by intolerance of uncertainty and attachment orientations. Conversely, slope analyses confirmed that as intolerance of uncertainty increased, the inhibitory effect of positive emotion priming on fear generalization was attenuated.ConclusionThe findings suggest that activating participants' representations of secure attachment via imagination effectively attenuates the generalization of perceptual fear at the physiological level. The inhibitory effect of secure attachment priming appears to be distinct from positive emotional modulation and remains unaffected by individual trait attachment styles. These results offer novel insights and avenues for the prevention and clinical intervention of anxiety spectrum disorders.

Correlates of climate change skepticism.

While much research has examined the correlates of climate change beliefs from an alarmist perspective, less work has systematically measured climate change skepticism. This study aims to create a comprehensive tool capturing climate skeptics' beliefs and test its association with individual difference variables. 502 European adults completed a 22-item questionnaire on climate change (CC) skepticism as well as measures of ambiguity tolerance, belief in a just world (BJW), dark-side personality traits, and self-esteem. Principal components analysis revealed a four dimension structure of CC. Political ideology was the most consistent and significant predictor across the climate change skepticism factors. Dark-side traits, also played a role. Future research should further validate this measure and explore how climate change information could be tailored to different audiences. Understanding the nuances and causes of climate skepticism can enable more effective communication to promote sustainability.

To beckon or not to beckon: Testing a causal-evaluative modelling approach to moral judgment: A registered report

Moral judgments are increasingly being understood as showing context dependent variability. A growing literature has identified a range of specific contextual factors (e.g., emotions, intentions) that can influence moral judgments in predictable ways. Integrating these diverse influences into a unified approach to understanding moral judgments remains a challenge. Recent work by Railton (2017) attempted to address this with a causal-evaluative modelling approach to moral judgment. In support of this model Railton presents evidence from novel variations of classic trolley type dilemmas. We present results from a pre-registered pilot study that highlight a significant confound and demonstrate that it likely influenced Railton's results. Building on this, our registered report presents a replication-extension of Railton's study, using larger more diverse samples, and more rigorous methods and materials, specifically controlling for potential confounds. We found that participants' judgments in sacrificial dilemmas are influenced by both direct personal force, and by whether harm occurs as a means or as a side-effect of action. We also show the relationship between a range of individual difference variables and responses to sacrificial moral dilemmas. Our results provide novel insights into the factors that influence people's moral judgments, and contribute to ongoing theoretical debates in moral psychology.

Distinct genetic and environmental origins of hierarchical cognitive abilities in adult humans

Human cognitive abilities ranging from basic perceptions to complex social behaviors exhibit substantial variation in individual differences. These cognitive functions can be categorized into a two-order hierarchy based on the levels of cognitive processes. Second-order cognition including metacognition and mentalizing monitors and regulates first-order cognitive processes. These two-order hierarchical cognitive functions exhibit distinct abilities. However, it remains unclear whether individual differences in these cognitive abilities have distinct origins. We employ the classical twin paradigm to compare the genetic and environmental contributions to the two-order cognitive abilities in the same tasks from the same population. The results reveal that individual differences in first-order cognitive abilities were primarily influenced by genetic factors. Conversely, the second-order cognitive abilities have a stronger influence from shared environmental factors. These findings suggest that the abilities of metacognition and mentalizing in adults are profoundly shaped by their environmental experiences and less determined by their biological nature.

Moderators of the Link Between Social Preference and Persistent Peer Victimization for Elementary School Children

ABSTRACT Objective Current antibullying programs can reduce overall rates of victimization but appear to overlook processes that give rise to persistent peer victimization. Needed are studies that delineate the interplay between social contextual and individual difference variables that contribute to persistent peer victimization. We examined the extent to which two individual-difference variables – internalizing symptoms (IS) and anxiety sensitivity (AS) – moderated the link between children’s average social preference score across the school year and their status as persistent victims. Method Participants included 659 4th-grade students (Mage = 9.31 years, SD = 0.50, 51.8% girls; 42.3% Latinx, 28.9% non-Hispanic White, 10.2% Pacific Islander, 7.7% Bi/Multiracial, 1.9% Black, 1.7% Asian, 1.7% Native American, and 3.4% unreported) from 10 public elementary schools in the U.S. Results As expected, higher social preference scores predicted a decreased likelihood of being persistently victimized. Conversely, IS and AS were positively linked to persistent victim status. AS significantly moderated the link between social preference and persistent victim status such that for children with high AS, compared to those with AS scores at or below the mean, the negative association between social preference and persistent victim status was attenuated. Conclusions Findings provide evidence that children who experience high levels of IS and AS are at risk for being persistently victimized by peers and that high AS could signal increased risk for persistent victimization even when children are generally liked by peers. We discuss the implications of these findings for efforts to develop focused interventions for chronically bullied children.

Motivated reasoning about climate change and the influence of Numeracy, Need for Cognition, and the Dark Factor of Personality

Human information processing is not always rational but influenced by prior attitudes, a phenomenon commonly known as motivated reasoning. We conducted two studies (N1 = 556, N2 = 1198; UK samples) investigating motivated reasoning in the context of climate change with a focus on individual differences as potential moderating factors. While previous research investigated motivated reasoning regarding the debate whether climate change is anthropogenic, we focused on current discourses about the effectiveness of different countermeasures. To this end, participants evaluated fictitious scientific data on the effectiveness of regulations to reduce CO2 emissions. In both studies, participants exhibited motivated reasoning as indicated by the observation that prior attitudes about CO2 reduction policies predicted evaluation of the scientific data. The degree of motivated reasoning was not related to individual difference variables, namely the ability to understand and reason with numbers (Numeracy), the willingness to show this ability (Need for Cognition), and the tendency to maximize one’s individual utility (Dark Factor of Personality). However, numeracy was associated with a less biased interpretation of the presented information. Our research demonstrates that motivated reasoning is a general phenomenon, and points to numerical training as one way to improve reasoning.

Idealized Motherhood on Social Media: Effects of Mothers’ Social Comparison Orientation and Self-Esteem on Motherhood Social Comparisons

ABSTRACT Based on recent findings that mothers make social comparisons to idealized portrayals of motherhood on social media, this study was designed to explore how two individual difference variables (social comparison orientation and self-esteem) affect such social comparison processes. A 2 (social comparison orientation: low vs. high) X 2 (self-esteem: low vs. high) X 2 (idealization of motherhood portrayals: non-ideal vs. ideal) mixed factorial design experiment was conducted among 464 new mothers to test how these individual difference variables moderate the effects of social media motherhood portrayals on the outcomes of state social comparison, perceived parenting competence, and life satisfaction.

Individual difference predictors of the Attitudes Towards Asexuality scale

While predictors of attitudes toward lesbians and gay men, as well as bisexuals and trans individuals, have been investigated relatively thoroughly, attitudes toward asexuality are a recently emerging field. The current study investigates predictors of attitudes toward asexuality, operationally defined using the Attitudes Towards Asexuality (ATA) scale created by Hoffarth and colleagues in 2016 . Predictors included authoritarianism, social dominance orientation, intergroup disgust sensitivity, sexism, erotophobia–erotophilia, sociosexuality, motivation to respond without prejudice, singlism, and demographic characteristics of the perceiver. Response to the ATA indicated positivity toward asexuality, with the majority of participants expressing disagreement with the negative statements about asexuality. Many of the individual difference variables correlated moderately with the ATA. Multiple regression analyses indicated that significant predictors of the ATA included right-wing authoritarianism, internal motivation to respond without prejudice, intergroup disgust sensitivity, benevolent sexism, participant sexual orientation, and religiosity. Together, these six predictors accounted for half of the variance in the ATA. The findings of this study suggest that attitudes toward asexuality are similarly predicted by those individual difference variables that predict attitudes toward gays, lesbians, bisexuals, and transpersons.

Gender-Related Differences in the Effects of Motivation, Self-Efficacy, and Emotions on Autonomous Use of Technology in Second Language Learning

The aim of our paper is to explore the predictor variables of autonomous use of technology (Benson, 2011) in relation to second language learning. To this end, we explored motivated learning behavior (Dörnyei & Ushioda, 2021), self-efficacy (Bandura, 1986) and several language learning-related emotions, such as enjoyment, pride, hope, curiosity, confusion, anxiety, shame, boredom, and apathy (Albert et al., 2021) in our quantitative study. Our research questions concerned the investigation of gender differences in addition to exploring relationships between the constructs analyzed. Our standardized questionnaire was completed by 1,152 secondary school students, 467 boys and 682 girls. Regression analysis results suggest that, in addition to motivation and self-efficacy, there are several emotions which significantly shape the autonomous use of technology related to language learning. Out of these, confusion (with a negative effect) and boredom (surprisingly with a positive effect) influence autonomy for all students, while pride and shame are significant only for boys and anxiety exclusively for girls. Our results have both theoretical and pedagogical implications. The findings concerning the individual difference variables tested contribute to the study of the complex interplay of these variables, and the pedagogical implications draw our attention to the important role of teachers in shaping emotions.

The relationship of emotions, motivation and language learning autonomy:

The investigation of contextual variations in the role of individual difference variables is one of the most important research aims in foreign language pedagogy, especially in teaching environments where there are fluctuations in teaching efficiency. Thus, in our study we aimed 1) to show the ways various emotions, motivational variables, and self-efficacy beliefs relate to language learning autonomy; and 2) to explore the extent to which these influences are context independent, that is, equally important across schools. To achieve these aims, we designed a nation-wide quantitative study in Hungary that included students (N = 1,152) from 11 secondary schools across the country through systematic quota sampling. The scales included in our standardized questionnaire were analysed with multivariate statistical techniques. Our analysis focused on school-level differences, and the main results show that, concerning learner autonomy, the only association that seems to be significant across each school is students' motivation, while the role of the other scales is limited to some of the schools. Based on our results, we suggest implications for teachers and researchers alike.

Can one-to-one coaching improve selection success and who benefits most? The role of internship candidate generalised self-efficacy

ABSTRACT This study presents a field quasi-experiment to examine whether one-to-one coaching can significantly impact an objective outcome: selection success. Furthermore, we examine whether all participants benefit equally from coaching. We examine whether coaching significantly impacts on selection success (i.e., whether candidates were successfully offered a job role) (N = 357) and whether interactions between coaching and generalised self-efficacy exist (n = 152). Participants were second year undergraduate students in an UK university who were applying for a one year work internship. Our analysis indicates that coaching positively impacted on selection success and specifically, individuals lower in generalised self-efficacy benefitted from coaching. We contribute to the literature on coaching by examining the effectiveness of coaching in relation to an objective outcome. We also advance our understanding of the role of individual differences in coaching by testing the interaction effects for a well-recognised individual difference variable: generalised self-efficacy. Finally, we contribute to the literature regarding the design of career development support in terms of how best to support people based on their individual differences.

The shape of the change: Cumulative and incremental changes in daily mood during mobile-app-supported mindfulness training.

Understanding of the exact trajectories of mood improvements during mindfulness practice helps to optimize mindfulness-based interventions. The Mindfulness-to-Meaning model expects mood improvements to be linear, incremental, and cumulative. Our findings align with this expectation. We used multilevel growth curve models to analyze daily changes in positive mood reported by 190 Polish participants during 42 days of a mobile-app-supported, mindfulness-based intervention. The daily positive mood increased among 83.68% of participants. Participants who started the training reported worse mood improved more and faster than participants with better mood at the baseline. Dispositional mindfulness and narcissism - individual difference variables associated with high vs. low emotion regulation ability, respectively - were not associated with mood improvement trajectories. A small group of participants (16.32%) showed a steady decline in positive mood during the intervention. The results underscore the importance of a more comprehensive understanding of individual variability in benefiting from mindfulness-based interventions.