Mapping the Structure of Semantic Memory

Aggregating snippets from the semantic memories of many individuals may not yield a good map of an individual’s semantic memory. The authors analyze the structure of semantic networks that they sampled from individuals through a new snowball sampling paradigm during approximately 6 weeks of 1‐hr daily sessions. The semantic networks of individuals have a small‐world structure with short distances between words and high clustering. The distribution of links follows a power law truncated by an exponential cutoff, meaning that most words are poorly connected and a minority of words has a high, although bounded, number of connections. Existing aggregate networks mirror the individual link distributions, and so they are not scale‐free, as has been previously assumed; still, there are properties of individual structure that the aggregate networks do not reflect. A simulation of the new sampling process suggests that it can uncover the true structure of an individual’s semantic memory.     

Moral Stress in International Humanitarian Aid and Rescue Operations: A Grounded Theory Study

Humanitarian aid professionals frequently encounter situations in which one is conscious of the morally appropriate action but cannot take it because of institutional obstacles. Dilemmas like this are likely to result in a specific kind of stress reaction at the individual level, labeled as moral stress. In our study, 16 individuals working with international humanitarian aid and rescue operations participated in semistructured interviews, analyzed in accordance with a grounded theory approach. A theoretical model of ethical decision making from a moral stress perspective was developed. The practical implications of the study are discussed.     

Reauthoring One's Own Life in the Face of Being HIV+: Promoting Healthier Narratives with Metacognitive Interpersonal Therapy

We describe here a narrative-based psychotherapy for a woman in her 40s who had been HIV+ since the age of 21 and who suffered from posttraumatic symptoms related to having received the diagnosis. She had also suffered from self-stigma and had lost the capacity to envision a future filled with hope. Treating individuals with HIV who face posttraumatic symptoms and stigma can be challenging for the clinician. A narrative approach to therapy can be helpful for these persons, in order to overcome symptoms, build a more benevolent self-image, feel accepted by society, and promote posttraumatic growth. Current evidence indicates that such an approach is mostly lacking. We describe how we applied metacognitive interpersonal therapy—an approach rooted in narrative constructivism. By using this treatment, the patient could overcome posttraumatic symptoms, participate in social activities after years of avoidance and isolation, and recover her sense of being a person able to make plans for the future with strength and dignity. Discussion includes ideas of how to generalize some of the mechanisms that have likely been effective in this therapy to other individuals with HIV.     

Gender differences in the development and adult outcome of co-occurring depression and delinquency in adolescence

Using a dual trajectory modeling approach, we examined co-occurring trajectories of depression and delinquency from age 11 to age 18 and their relation to adult outcome six years later in a community sample of 1423 (674 boys) adolescents. We also examined the effects of childhood externalizing, internalizing, and social problems on trajectory membership for depression and delinquency. The results showed that although more girls than boys were likely to follow high-level, co-occurring trajectories on depression and delinquency, the adult outcome of adolescents following high-level trajectories on both domains was poorer for boys than for girls. However, the combination of decreasing depression symptoms and increasing delinquency symptoms across adolescence was related with poorer adult outcomes for girls compared to boys. Finally, whereas boys' high-level co-occurring trajectory of depression and delinquency was predicted by childhood aggression, girls' equivalent trajectory was predicted by childhood depression and delinquency. The findings support the "gender paradox" effect (Loeber & Keenan, 1994) stating that in disorders with an unequal gender ratio, members of the gender with the lower prevalence rate tend to be more seriously affected in terms of comorbidity and poor outcome.     

A Structural Model for Adjustment to Aging among Older Women in Breast Cancer Remission

This study aims to build a structural model to explore the predictors of adjustment to aging (AtA) reported by older women in breast cancer remission. A community-dwelling sample of 771 older women in breast cancer remission aged between 75 and 98 years answered a questionnaire to determine socio-demographic (age, income, marital status, education, household, and living setting), and health-related characteristics (self-reported functional limitations and disabilities, time since remission, other type of cancer, breast reconstruction, perceived health, recent disease and medication). Several measures were employed to assess AtA, sense of coherence and subjective well-being. Structural equation modeling was used to explore a structural model of the self-reported AtA, encompassing all variables. Significant predictors of AtA are self-reported disability (β = .404; p < .001), time since remission (β = .371; p < .001), perceived health (β = .257; p < .001), other type of cancer (β = .231; p < .001), breast reconstruction (β = .153; p = .008), marital status (β = .141; p < .001), sense of coherence (β = .140; p < .001), and living setting (β = .139; p = .006). These variables accounted for 84.3% of the variability of AtA. Self-reported disability and time since remission were the strongest predictors of AtA. Our findings suggest that health care interventions with older women in breast cancer remission still living in the community may benefit from clearly including these predictors of AtA, as they are relevant for promoting older women’ s aging well.

     

The mobilizing and protective role of national identification in normative and non‐normative collective action

In the context of the financial crisis in Europe and drawing on social identity and perceived disadvantage literature, this research explored national identification, perceived prejudice, perceived ostracism, and anger as predictors of intentions to engage in normative collective action and support for non‐normative and destructive action. Correlational data were collected in Greece (N = 218), Portugal (N = 312), and Italy (N = 211) during the financial crisis that affected several European countries in the early 2010s. Hierarchical regressions showed that national identification, above and beyond all other variables, positively predicted normative collective action intentions, and negatively predicted support for non‐normative action. That is, people who were identified more strong with their national identity were more likely to report that they will engage in collective action to enhance the position of their (national) in‐group, and less likely to support destructive collective action. Mediation analyses revealed that in the case of Portugal and Italy, national identification associated negatively with anger, while anger positively predicted normative collective action. The findings of this research point to the importance of national identification as a factor, that, on the one hand motivates people's mobilization toward supporting the rights of the ingroup but on the other hand impedes the more negative and destructive side of collective action. The contextual and instrumental role of national identity in contexts of threat is discussed.     

Is a Manipulator's Externality Paradoxical? The Relationship Between Machiavellianism,Economic Opportunism,and Economic Locus of Control

Machiavellianism and economic opportunism are defecting strategies founded on manipulating information in order to maximize gain or power. This study investigated their relationship with economic internality. We hypothesized that individuals inclined to adopt defecting strategies would tend to have external economic locus of control (ELOC). A Greek sample of 175 participants completed the ELOC and Mach IV questionnaires and a scale of economic opportunism. Machiavellianism and opportunism were both positively correlated with the ELOC Chance factor. Opportunism was negatively correlated with the ELOC Internal factor. The findings confirmed the hypothesis and showed that this kind of defector overestimates the role of chance, uncertainty, and hazard as sources of economic reinforcements.     

INCREASING DISTANCE AND INDEPENDENCE OF AMBULATION IN ELDERLY NURSING HOME RESIDENTS

We tested the effectiveness of a prompt-and-praise procedure for increasing walking distance and independence in eight nursing home residents. Walking distance and method of ambulation were observed just prior to mealtimes; in addition, mobility and social interaction were time-sampled in the living areas throughout the day. Treatment was lagged in a multiple baseline design across lunch and dinner meals within subjects, and across subjects within each of three units. In the mealtime setting, two subjects began walking the maximum scored distance during baseline; the other six subjects showed a marked increase in walking beginning with the first meal in which the intervention was applied. Six of the eight subjects also progressed to more independent means of ambulation. Generalization of walking to the second meal was observed in all four of the subjects in whom this could be assessed. Generalization across subjects was not observed nor was generalization to the living areas. Staff successfully implemented the procedures in the mealtime settings and the effects were maintained at the 4-month follow-up.     

Stereotypes: static abstractions or dynamic knowledge structures?

Stereotypes have been assumed to be long-lasting knowledge structures that persist even in the face of contrary evidence. However, there is almost no within-participant research relevant to this assumption. The authors describe 4 studies (N=267), the first 3 of which assessed within-participant stereotype stability over a few weeks with measures of stereotypic trait verification, typicality ratings of exemplar sets, and exemplar retrieval. In the 4th study, the authors manipulated context stability. Overall, results showed only low-to-moderate stereotype stability. The stability obtained was a function of the perceived centrality of traits or exemplars and of context constancy. The authors discuss the implications of these results for abstractionist, exemplar, mixed, and connectionist models and identify possible mechanisms that underlie within-participant stereotype instability.