Associate Professor Stefania Paolini

Background: The study aim was to examine the mechanisms of physical activity behaviour change in the multi-component eCoFit randomised controlled trial (RCT) among adults diagnosed with, or at risk of, T2D. Method: The RCT included two phases: phase 1 (weeks 1¿10) integrated group sessions (outdoor physical activity and cognitive mentoring) and the use of the eCoFit smartphone application (app), and phase 2 (weeks 11¿20), which included the use of the eCoFit smartphone application only. Participants (n = 84) were assessed at baseline and 10 and 20¿weeks from baseline. Physical activity was assessed using pedometers, and the following mediators were tested: action self-efficacy, barrier self-efficacy, recovery self-efficacy, implementation intentions, intention to have regular physical activity, outcome expectations, risk perception and implicit associations related to physical activity. The PROCESS INDIRECT Macro was used to perform mediation analyses. Results: Significant mediation pathways were found for implementation intention measured at 10¿weeks, AB (95% CI = 486.04 [128.19, 1073.42]). No significant pathways were found for the other social¿cognitive and implicit attitudinal mediators. Conclusion: Increased daily steps among the intervention participants were explained by increased implementation intentions. The eCoFit study successfully operationalised implementation intentions in the smartphone app designed to promote outdoor physical activity. Trial Registration: The trial was approved by a University Human Research Committee and is registered with the Australian New Zealand Clinical Trial Registry (ACTRN12615000990527).

Past research has ascertained the benefits of involuntary, ¿forced¿ exposure to positive imagined contact. This research explored determinants and consequences of actively chosen imagined contact in a setting of entrenched intergroup conflict. In Study 1, when given an unvalenced visualisation scenario enabling participants to steer the visualisation in any direction they wanted, Turkish Cypriots visualised an intergroup interaction nondistinguishable in quality to that of those assigned to a positive scenario. In Study 2, when asked to actively choose between visualising a positive or a negative intergroup interaction, Turkish Cypriots disproportionally preferred positive over negative contact. The chosen visualisation reflected mood and valenced confirmation biases and resulted in virtuous (vs. vicious) effects on group-level outcomes. These findings shed a first light on the psychological underpinnings of volitional intergroup imagery and indicate that intergroup imagery is a safe way of engaging with the outgroup even in contexts of entrenched conflict.

Theories of risk aversion, epistemic defense, and ingroup enhancement converge in predicting greater impact of negative (vs. positive) experiences with outgroup members on generalized evaluations of stigmatized outgroups. However, they diverge in predictions for admired outgroups. Past tests have focused on negative outgroups using correlational designs without a control group. Consequently, they have not distinguished between alternative explanations or ascertained the direction of causality/generalization, and they have suffered from self-selection biases. These limitations were redressed by a meta-analysis of experimental research on individual-to-group generalization with positive and negative outgroups (59 tests; 3,012 participants). Controlling for modest confounds, the meta-analysis found a generalization advantage of negative experiences for stigmatized outgroups and a generalization advantage of positive experiences for admired outgroups. These results highlight the centrality of valenced expectations about outgroups, consistent with epistemic defense and ingroup enhancement and inconsistent with risk aversion. Implications for positive changes in intergroup dynamics are discussed.

Social psychology highlights ingroup identity as an important determinant of intergroup attitudes and relations; however, research has demonstrated that its effects can be positive, negative, or nonexistent depending on how such identity is conceptualized. This research explores how national identity inclusiveness (Study¿1) and centrality (Study 2) are associated with immigration related attitudes in school and countrywide settings, respectively. Study 1 showed that teachers¿ inclusive (i.e., overlapping) identities regarding their immigrant students related to positive attitudes toward these students, but not to attitudes about immigrants in general or immigration policy preferences. Study 2 found that national identity centrality was related to negative attitudes toward the social impact of immigrants, and to higher support for policies inhibiting the social inclusion of immigrants in the receiving community. Combined, these studies highlight the importance of considering different conceptualizations of ingroup identity in identifying relations to immigration-based attitudes. Moreover, the studies highlight the value of promoting inclusive identities when aiming to improve attitudes toward immigrants. We conclude by discussing a new approach for promoting inclusive identities by framing immigrants as indispensable to the receiving community.

We examined a proposition based on social identity theory that socially creative appraisals of rejection can boost the well-being of strongly identifying ethnic migrants. We piloted this proposition amongst women (N = 80) and found that strong (but not weak) group identifiers who considered the positive views that society holds about their social identity reported higher subjective wellbeing (self-esteem) relative to those who dwelt on rejection. In a subsequent field experiment (N = 179) conducted amongst ethnic migrants in London, we added a further social creativity treatment in which participants were encouraged to consider how they would view immigrants if they were native British (accommodation). Results revealed that the two social creativity mindsets (accommodation and positive) combined: (a) reduced perceptions of social rejection and increased optimism over the openness and fairness of society relative to a rejection mindset, (b) enhanced the self-esteem of strongly (but not weakly) identified ethnic migrants, and (c) enhanced ethnic migrant's wellbeing by minimizing the recall of social rejection and by strengthening optimism over the host society's openness and fairness. Implications for social change are discussed.

Through individual-to-group generalisation, information about individual members of stigmatised social groups changes the outgroup judgment. This article reports meta-analytic reviews of over 30¿years of experimental, lab-based research on individual-to-group generalisation (107 independent tests; 5393 participants). In a first meta-analysis, a positive, medium-size generalisation effect was detected (r¿=.28, p¿<.001), reflecting significant generalisation of outgroup exemplar information to the outgroup judgment. This effect was moderated by the number of exemplars and exemplar typicality, with more moderately atypical exemplars maximising generalisation effects. Several other design parameters¿including type of control condition, generalisation measures, mode of information provision, type of target outgroup and origin of study¿did not moderate the positive generalisation effect. A second meta-analysis investigated the interplay between metacognitions and generalisation and found assimilation effects with metacognitive triggers encouraging exemplar inclusion, and contrast effects with metacognitive cues encouraging exemplar exclusion. These results demonstrate that the same outgroup exemplar can lead to bias reduction or bias exacerbation, depending on available meta-cognitive cues. Findings are discussed in terms of implications for intergroup psychology, generalisation theory and bias reduction interventions.

On what basis do people form their social identities? To investigate this issue, the present research investigates cross-cultural differences in self-stereotyping, a key outcome of social identification. In particular, the research tests the hypothesis that ingroup ties are a stronger predictor of self-stereotyping among people from individualist cultures than among people from collectivist cultures. In Study 1, university students (N = 117) completed measures of ingroup ties and self-stereotyping with respect to an intimacy group (family and friends). Consistent with predictions, ingroup ties significantly predicted self-stereotyping among individualists but not among collectivists. Study 2 (N = 104) found a similar pattern of results among members of the global internet community who considered either an intimacy group (their friends), a task group (their work group) or a social category (their gender). These results indicate that people in individualist cultures are more likely than those in collectivist cultures to base their social identities on ingroup ties. The implications of these results are discussed in relation to self-categorization theory's depersonalization account of social identification.

Sixty years of research on intergroup contact demonstrates that positive interactions across group boundaries can improve intergroup attitudes and can contribute to forging tolerant, integrated, multicultural societies. However, to fully realize the benefits of growing diversity around the globe, individuals need to exploit opportunities for intergroup contact that are available to them. Yet, it is relatively unknown why people might deliberately engage in cross-group interactions and how individuals¿ expectations and motives prepare them to develop positive interpersonal relationships with outgroup members. In this article, we begin to address these research gaps. We discuss the self-expansion model and present new evidence that is consistent with this model. Two studies, one correlational in a cross-cultural setting and the other experimental, show the value of high self-expansion expectancies and motivation in promoting interest in and producing more and higher quality interactions across group boundaries. We discuss implications of these findings for policy and intervention.

Research demonstrates that people living with serious mental illness (SMI) contend with widespread public stigma; however, little is known about the specific experiences of stigma that mothers, and in particular fathers, with SMI encounter as parents. This study aimed to explore and compare the experiences of stigma for mothers and fathers with SMI inferred not only by living with a mental illness but also potential compounding gender effects, and the associated impact of stigma on parenting. Telephone surveys were conducted with 93 participants with SMI who previously identified as parents in the Second Australian National Survey of Psychosis. Results indicated that mothers were more likely than fathers to perceive and internalise stigma associated with their mental illness. Conversely, fathers were more inclined to perceive stigma relating to their gender and to hold stigmatising attitudes towards others. Mental illness and gender stigma predicted poorer self-reported parenting experiences for both mothers and fathers. These findings may assist in tailoring interventions for mothers and fathers with SMI.