Identifying predictor variables of weight loss outcome: Implications for a stepped program and weight management

Abstract

Four variables were identified that predicted outcome for the minimal and moderate intensity weight control programs presented in sequence. Predictive models for pounds lost and percentage overweight lost were computed for both programs and follow-up and accounted for 33% to 62% of the variance. The predictor variable that contributed to the two programs and follow-up was success in losing weight previously. Greater rate of weight loss in the first five weeks contributed to the model for the minimal intensity program and for follow-up and total number of calories expended in nonroutine physical activity added to the model for the minimal intensity program. Marital dissatisfaction of subjects was a predictor for the moderate intensity program and follow-up. The findings have utility for a stepped program for weight and provide confirmation of variables noted as predictors in prior research. This study may help in the quest to identify consistent predictors of weight loss success.     

COPY AND RECALL PERFORMANCE OF 6–8-YEAR-OLD CHILDREN AFTER STANDARD VS. STEP-BY-STEP ADMINISTRATION OF THE REY-OSTERRIETH COMPLEX FIGURE

Turner syndrome (TS) is a genetic disorder in females characterized by the complete or partial absence of one X chromosome. Its most consistent physical features include short stature and ovarian dysgenesis. TS individuals demonstrate a characteristic neurocognitive profile involving weaknesses in visuospatial processing. The hypothesis of defective right hemisphere specialization has been offered to explain the visuospatial deficits in TS. In contrast, an alternative explanation proposes a more uniform dysfunction of the left and right hemispheres, based on findings of symmetrical abnormalities. This article presents an overview of the two hypotheses, along with relevant findings on hemispheric specialization with respect to TS. The impact of the genetic and hormonal mechanisms on the neurocognitive profile of TS is also discussed and directions for further empirical research are identified.     

Quasi-two-dimensional or hcp palladium nanoparticles with host-guest interaction prepared at room temperature

Quasi-two-dimensional palladium nanoparticles with an average lateral dimension of 7 nm have been prepared by reduction of a PdCl₂ graphite intercalation compound precursor by lithium-diphenylide in tetrahydrofuran at room temperature. Selected-area electron diffraction patterns provide evidence that the palladium nanoparticles are hcp single-crystal particles. Owing to the template effect of the graphite lattice, the lattice parameter of palladium was found to have a strong relation with the graphite, and a 3a _graphite superstructure was inferred. The palladium structure is rotated by 30^o with regard to the carbon host lattice. Raman spectroscopy on this sample showed that a charge transfer between carbon and palladium occurs. The sample can be considered as a common Pd-graphite intercalation compound with palladium nanoparticles as guest. This behaviour is different from palladium nanoparticles prepared by hydrogen reduction at higher temperatures from the same precursor material. These particles may represent an early stage of nanoparticle formation.     

评价中心的构想效度谜题:测量维度还是活动?

评价中心是一种高保真度的情境模拟,它被设计用来在多种与工作相关的活动中测量多项维度.30年来的大量研究发现,评价中心具备良好的内容效度和效标关联效度,但构想效度却始终不理想,评价中心评分反映的总是由活动而非预先设想的维度带来的效应.这一评价中心“构想效度谜题”吸引了大量研究关注,并逐步形成了维度中心取向、活动中心取向及交互作用取向三种主要观点,分别主张控制各种误差因素以改善维度测量、放弃维度而转向活动或任务以及关注维度与活动的共同作用.未来研究应在传统的维度中心取向之外给予活动中心取向足够重视,并重点发展交互作用取向.     

中国人压力应对研究:基于主位与客位的视角

目前,学界探索中国人的应对大致有两种方式:客位研究与主位研究。客位研究分析中国文化在以下几个方面对国人应对行为和心理的影响,分别是应对的文化环境和自我特质、压力来源、应对方式、应对结果。研究结果得出有关应对的客观知识,揭示中国人的应对实践。但是由于客位研究注重理论的普适性,所以其研究成果与中国人应对实质并不十分契合。主位研究从传统文化中的儒家、道家、佛家哲学思想提取应对观,其成果更深入的分析了国人应对的实质。但是,主位研究下的应对观过于注重直观体验,并且当今中国人行为心理模式也发生了变化,这些因素势必导致主位研究的缺陷。两种研究方式各有利弊,未来的研究应把两种方式结合起来,取长补短。     

Individual differences in conditional reasoning: A dual-process account

Dual-process theories of conditional reasoning predict that relationships among four basic logical forms, and to intellectual ability and thinking predictions, are most evident when conflict arises between experiential and analytic processing (e.g., Stanovich & West, ). To test these predictions, 210 undergraduates were presented with conditionals for which the consequents were either weakly or strongly associated with alternative antecedents (i.e., WA and SA problems, respectively). Consistent with predictions, modus ponens inferences were not related to inferences on the uncertain forms (affirmation of the consequent, denial of the antecedent). On WA problems, modus tollens, affirmation of the consequent, and denial of the antecedent were related to each other and to verbal ability. Modus ponens was linked to verbal ability only when disabling conditions were activated. In accord with the predictions of Stanovich and West (), on most problems, thinking dispositions predicted variance in inferences independently from verbal ability. We argue that a largely automatic experiential processing system governs performance on modus ponens, unless disablers are activated. Consciously controlled analytic processing predominates on the uncertain forms and, under some conditions, on modus tollens.     

Narrative counselling with a young engineer

This case study applied a narrative approach to develop the sense of self as a career resource for a young male engineer in his first working year. The participant client attended eight sessions lasting 60 to 90 minutes each over a period of five months. The case sessional data were thematically analysed. Following the intervention, the participant displayed career strengths of willingness to deal with challenges, enhanced adaptability strategies and volition to elect preferred work setting. He also displayed an enhanced future orientation. Narrative counselling appeared to support career adaptability development.     

Development of a Post-Modern Career Interest Questionnaire for South-African School Settings

The study explored the potential value and viability of an interest narrative (questionnaire) in terms of its psychometric properties and by comparing it with a commonly administered (positivist) career interest questionnaire. Participants were 159 boys and 183 girls, mean ages were 17.87 (males) and 17.41 (girls), SD (males) = 1.63, SD (females) = 1.70. In the first phase, four provinces were selected purposively: one urban and three rural or semirural. Secondly, a stratified random sample of schools was selected, divided according to medium of instruction (Afrikaans/English) and area (urban/rural area). Data were collected and analyzed using both qualitative and quantitative approaches: trustworthiness, assessment-reassessment consistency and intercorrelations with the Rothwell Miller Interest Blank (Hall, Halstead & Taylor, 1986). The CIP yielded satisfactory results with regard to, inter alia, trustworthiness, assessment-reassessment reliability and intercorrelations with the RMIB, and provides psychologists with a useful instrument for the identification of interest profiles of Grade 11 learners in South Africa.     

Extraversion and performance approach goal orientation: An integrative approach to personality

Research shows that extraversion is unrelated to performance approach goal orientation, both at the trait- and the state-level. However, since previous studies have either focused on the trait- or the state-level, such a conclusion may be premature. Building upon the idea that acting against one’s trait consumes self-control resources, we reason that within-person deviations from one’s level of trait extraversion might negatively relate to performance approach goal orientation. Using experience sampling data from 47 employees across 10 days (N = 307), we found that deviations from one’s trait extraversion levels are associated with lower levels of performance approach goal orientation. These findings suggest that an integrative approach to personality allows to better understanding of the relationship between extraversion and performance approach goal orientation.