Processes linking weight status and self-concept among girls from ages 5 to 7 years

This study assessed the relationship between girls' weight status and self-concept and examined peer teasing and parent criticism as potential mediators of this relationship. Data were collected for 182 girls and their parents when the girls were 5 and 7 years old. At each age, girls' body mass index, self-concept, peer weight-related teasing (child report), and parents' criticism of girls' weight status (spouse report) were assessed. At ages 5 and 7, girls who were more overweight reported lower self-concept. Peer teasing and parent criticism mediated the relationship between weight status and self-concept at age 7, but not at age 5. In addition, the duration and timing of parent criticism across ages 5 and 7 mediated the association between girls' weight status at age 5 and perceived peer acceptance at age 7.     

Concavities as basic features in visual search: evidence from search asymmetries

Concave cusps and negative curvature minima play an important role in many theories of visual shape perception. Cusps and minima are taken to be part boundaries, used to segment an object into parts. Because of their important role in determining object structure and because there is some evidence that object structure is processed in parallel, it might be expected that concave cusps and negative curvature minima are processed preferentially. We tested this conjecture in several visual search experiments. Visual search for a target with a concave cusp among totally convex distractors yields nearly flat slopes (< 10 msec/item) for both present and absent trials. Reversing the roles of the target and the distractor results in inefficient search. The same asymmetry is found when the concave cusp is replaced by other types of concavity. We conclude, therefore, the concavities can serve as basic features in visual search experiments. This conclusion implies that the unit of selection in a visual search task is an object, rather than a location.     

Intra-individual variability in task performance after cognitive training is associated with long-term outcomes in children

The potential benefits and mechanistic effects of working memory training (WMT) in children are the subject of much research and debate. We show that after five weeks of school-based, adaptive WMT 6–9 year-old primary school children had greater activity in prefrontal and striatal brain regions, higher task accuracy, and reduced intra-individual variability in response times compared to controls. Using a sequential sampling decision model, we demonstrate that this reduction in intra-individual variability can be explained by changes to the evidence accumulation rates and thresholds. Critically, intra-individual variability is useful in quantifying the immediate impact of cognitive training interventions, being a better predictor of academic skills and well-being 6–12 months after the end of training than task accuracy. Taken together, our results suggest that attention control is the initial mechanism that leads to the long-run benefits from adaptive WMT. Selective and sustained attention abilities may serve as a scaffold for subsequent changes in higher cognitive processes, academic skills, and general well-being. Furthermore, these results highlight that the selection of outcome measures and the timing of the assessments play a crucial role in detecting training efficacy. Thus, evaluating intra-individual variability, during or directly after training could allow for the early tailoring of training interventions in terms of duration or content to maximise their impact.     

A Treasure Hidden in a Field: Katherine Sonderegger on Scripture

This paper considers Katherine Sonderegger's view of Scripture. In volume 2 of her Systematic Theology Sonderegger suggests a ‘dogmatic reading’ that overcomes the impasse of both a too historicist and a too theologically narrow view of the biblical text. As evidenced in her innovative reading of Isaiah 53, Sonderegger's engagement with Scripture is both thoroughly traditional and a novel approach to theologically engaging the biblical text.     

Predictors of preschool language environments and their relations to children's vocabulary

Despite support for the importance of early language environments, little is known about the naturally occurring experiences children have in preschool settings. The current study sample included 91 children (M_age = 4.72 years; 56% male; 67% White) from 23 preschool classrooms and nearly 1500 h of language environment data from three waves throughout the preschool year. Of the sociodemographic characteristics, family income is most closely related to children's preschool language environments. A standard deviation increase in family income was related to children hearing approximately one million more adult words in their preschool classroom. However, conversational turns were the more robust predictor of vocabulary skills with effect sizes around 0.20, depending on model specification. Theoretical and policy implications of these findings are discussed.     

Hardware design style: The vital element

This is a tutorial in the application of digital integrated circuits to laboratory experimental design. For appropriate experiments, a hardware controller may be the most economical as well as the most enjoyable approach. By and large, the hardware profession has done a poor job of providing clear, straightforward principles of hardware design; therefore, the design process is often viewed as a “black art” accessible only to specialists. The computer software profession has begun to realize the vital need for systematic approaches to problem solving. We hope to contribute to a similar movement in the digital hardware design area.     

The abstraction of form in semantic categories

Undergraduates were asked to generate a name for a hypothetical new exemplar of a category. They produced names that had the same numbers of syllables, the same endings, and the same types of word stems as existing exemplars of that category. In addition, novel exemplars, each consisting of a nonsense syllable root and a prototypical ending, were accurately assigned to categories. The data demonstrate the abstraction and use of surface properties of words.     

Phonological Memory and L2 Vocabulary Learning in a Narrated Story Task

Journal of Psycholinguistic Research - The objective of this study was to explore the role played by phonological memory (PM) in the learning of new second language (L2) vocabulary presented in a...     

should i stay at home or should i go back to work? workforce reentry influences on a mother's decision‐making process

The authors examine the literature pertaining to women's life transitions and the difficult decision‐making process some women encounter when reentering the workforce after a period of staying at home with young children. On the basis of the unique challenges faced by this population, the authors created a conceptual framework (i.e., the Mother's Reentry Into the Workforce Conceptual Framework) to demonstrate this difficult decision‐making process. The framework examines driving forces, filters, and outcomes specific to this population. Implications for employment counselors are shared. Group employment counseling is suggested as an ideal format to provide support to women during this transitional period.