How infant appearance informs: Child care providers' responses to babies varying in appearance of age and attractiveness

Research suggests that an infant's attractiveness influences adult's judgments of its developmental competence, such that less attractive infants are considered to look older than more attractive infants. To assess the effects of knowledge of age on these attractiveness-based attributions, 90 staff members of licensed child care centers judged specific developmental skills and rated the global developmental competence of 6-month-olds, based on the infants' facial appearance. Knowing an infant's actual age modified relations between attractiveness and expectations of maturity. Caregivers who knew the infants' ages estimated that unattractive infants were capable of relatively few specific skills in some areas of development, but they nevertheless rated those infants to be relatively competent in their development. Without information about age, caregivers often rated less attractive infants to be lower in competence, although they judged these babies to be older, with a larger number of specific skills. Training implications for improving caregivers' judgments are discussed.     

Nonverbal learning disabilities: The syndrome and a case study

Presents the syndrome of nonverbal learning disabilities (NLD) and the model developed to encompass its complex manifestations. Included are the history of the development of the syndrome, the types of children in whom its principal features are manifest, the hypothesized neurological bases of the syndrome, and a test of its developmental dimensions. A case study with assessment results and treatment implications illustrates the clinical dimensions of the syndrome. General developmental and treatment implications of the NLD syndrome and the NLD model are also included.     

Frontal brain asymmetry in depression with comorbid anxiety: a neuropsychological investigation

The approach-withdrawal model posits that depression and anxiety are associated with a relative right asymmetry in frontal brain activity. Most studies have tested this model using measures of cortical brain activity such as electroencephalography. However, neuropsychological tasks that differentially use left versus right frontal cortical regions can also be used to test hypotheses from the model. In two independent samples (Study 1 and 2), the present study investigated the performance of currently depressed individuals with or without a comorbid anxiety disorder and healthy controls on neuropsychological tasks tapping primarily left (verbal fluency) or right (design fluency) frontal brain regions. Across both samples, results indicated that comorbid participants performed more poorly than depressed only and control participants on design fluency, while all groups showed equivalent performance on verbal fluency. Moreover, comorbid participants showed "asymmetrical" performance on these two tasks (i.e., poorer design [right frontal] relative to verbal [left frontal] fluency), whereas depressed only and control participants showed approximately symmetrical profiles of performance. Results from these two samples suggest an abnormal frontal asymmetry in neurocognitive performance driven primarily by right frontal dysfunction among anxious-depressed individuals and highlight the importance of considering comorbid anxiety when examining frontal brain functioning in depression.     

Behavior problems in young children from low‐income families: The development of a new screening tool

The purpose of this study was to construct a screening tool, the Early Childhood Behavior Screen (ECBS), to identify behavior problems and prosocial behaviors in very young children (1–5 years old) from low‐income backgrounds. Field testing of the initial screening tool was conducted with a representative, diverse sample of 439 parents from a low‐income, urban community. The final 20‐item scale was written at a 3.9 grade reading level. Psychometric properties of the ECBS revealed that the items loaded on two factors, the Challenging Behavior factor and the Prosocial Behavior factor. Each factor demonstrated high levels of internal consistency (.87 and .92, respectively). The Challenging Behavior factor demonstrated adequate levels of concurrent validity (r = .75), sensitivity (r = .82), and specificity (r = .80) based on its relationship with the Eyberg Child Behavior Inventory (S.M. Eyberg & D. Pincus, 1999). The Prosocial Behavior factor is a clinically useful aspect of the ECBS, as it allows researchers and practitioners to identify the child's positive behaviors as part of a strength‐based approach to treatment. The results suggested that the ECBS has potential as a brief screening tool that is useful in pediatric, psychological, and educational settings that serve low‐income populations to aid in the identification of young children with challenging behaviors that may require intervention services     

INCREASING THE SUPPRESSIVE EFFECT OF DELAYED PUNISHERS: A REVIEW OF BASIC AND APPLIED LITERATURE

Although punishment is a common feature in programs designed to suppress inappropriate responding, the delivery of punishment may be delayed for a variety of reasons. When punishment is delayed, the result may be a decrease in response suppression. It is therefore important to identify strategies to increase the effectiveness of delayed punishers. In this paper, basic and applied research on delayed punishment is reviewed. The delay‐of‐punishment gradient is described, and strategies are provided to increase the suppressive effect of delayed punishers. For each strategy identified, a conceptual account is provided describing how the strategy enables a delayed punisher to exert a suppressive effect. Furthermore, this paper suggests additional uninvestigated but potentially effective strategies and identifies problems with current research into delayed punishment. Finally, recommendations regarding future research into delayed punishers are provided. Copyright © 2012 John Wiley & Sons, Ltd.     

Social anxiety and difficulty disengaging threat: evidence from eye-tracking

Theoretical models of social phobia propose that biased attention contributes to the maintenance of symptoms; however these theoretical models make opposing predictions. Specifically, whereas Rapee and Heimberg (1997) suggested the biases are characterised by hypervigilance to threat cues and difficulty disengaging attention from threat, Clark and Wells (1995) suggested that threat cues are largely avoided. Previous research has been limited by the almost exclusive reliance on behavioural response times to experimental tasks to provide an index of attentional biases. The current study evaluated the relationship between the time-course of attention and symptoms of social anxiety and depression. Forty-two young adults completed a dot-probe task with emotional faces while eye-movement data were collected. The results revealed that increased social anxiety was associated with attention to emotional (rather than neutral) faces over time as well as difficulty disengaging attention from angry expressions; some evidence was found for a relationship between heightened depressive symptoms and increased attention to fear faces.     

Nonlinear Random-Effects Mixture Models for Repeated Measures

A mixture model for repeated measures based on nonlinear functions with random effects is reviewed. The model can include individual schedules of measurement, data missing at random, nonlinear functions of the random effects, of covariates and of residuals. Individual group membership probabilities and individual random effects are obtained as empirical Bayes predictions. Although this is a complicated model that combines a mixture of populations, nonlinear regression, and hierarchical models, it is straightforward to estimate by maximum likelihood using SAS PROC NLMIXED. Many different models can be studied with this procedure. The model is more general than those that can be estimated with most special purpose computer programs currently available because the response function is essentially any form of nonlinear regression. Examples and sample code are included to illustrate the method.     

Defining reward value by cross-modal scaling

Researchers in comparative psychology often use different food rewards in their studies, with food values defined by a pre-experimental preference test. While this technique rank orders food values, it provides limited information about value differences because preferences may reflect not only value differences, but also the degree to which one good may “substitute” for another (e.g., one food may substitute well for another food, but neither substitutes well for water). We propose scaling the value of food pairs by a third food that is less substitutable for either food offered in preference tests (cross-modal scaling). Here, Cebus monkeys chose between four pairwise alternatives: fruits A versus B; cereal amount X versus fruit A and cereal amount Y versus fruit B where X and Y were adjusted to produce indifference between each cereal amount and each fruit; and cereal amounts X versus Y. When choice was between perfect substitutes (different cereal amounts), preferences were nearly absolute; so too when choice was between close substitutes (fruits); however, when choice was between fruits and cereal amounts, preferences were more modest and less likely due to substitutability. These results suggest that scaling between-good value differences in terms of a third, less-substitutable good may be better than simple preference tests in defining between-good value differences.