Implications of document-level literacy skills for Web site design

The proliferation of World Wide Web (Web) sites and the low cost of publishing information on the Web have placed a tremendous amount of information at the fingertips of millions of people. Although most of this information is at least intended to be accurate, there is much that is rumor, innuendo, urban legend, and outright falsehood. This raises problems especially for students (of all ages) trying to do research or learn about some topic. Finding accurate, credible information requires document-level literacy skills, such as integration, sourcing, corroboration, and search. This paper discusses these skills and offers a list of simple ways that designers of educational Web sites can help their visitors utilize these skills.     

Effects of cocaine exposure on infant development: A review

We review the effects of maternal cocaine use on the developing human fetus and infant in terms of methodological problems; the physiological action of cocaine on adults and on the developing fetus; the epidemiology of cocaine use; effects on fetal and infant mortality; growth of cocaine-exposed fetuses and infants; physical anomalies; evidence for and against infant withdrawal from cocaine; neurological effects; behavioral effects as shown by the NBAS; findings related to mother-infant interaction and emotional development; and parenting by cocaine-using mothers. Findings in most areas should be considered preliminary due to methodological problems. Published studies of long-term development are not yet available. In general, deleterious consequences of prenatal cocaine exposure are found for some portion of prenatally exposed infants. However, many findings of no difference are also available in methodologically well-controlled studies.     

Social blushing.

This article reviews theory and research regarding the physiology, situational and dispositional antecedents, behavioral concomitants, and interpersonal consequences of social blushing and offers a new theoretical account of blushing. This model posits that people blush when they experience undesired social attention. Puzzling questions involving blushing in solitude, the phenomenology of blushing, types of blushing, and blushing in dark-skinned people are discussed.     

Self-engagement, stressors, and health: a longitudinal study

The authors examined whether engagement in a performance domain could buffer or exacerbate the consequences of different stressors. Soldiers completed measures of engagement in work, work demands (days training, work hours, and subjective work overload), and symptoms at two time periods. Engagement in work interacted with days training and work hours at Time 1 to predict health symptoms at Time 2 (after controlling Time 1 outcomes). Soldiers highly engaged in their jobs were less likely to report negative consequences under high levels of training/work hours in comparison to soldiers disengaged from their jobs. However, engagement in work interacted with work overload in the opposite manner, with high levels of engagement potentiating the relationship between overload and reports of health symptoms. Engagement in a domain appears to buffer individuals from stressors that do not undermine performance but may exacerbate the impact of stressors that compromise performing well in the domain.     

Motivational interviewing for employment: An exploration of practitioner skill and client change talk

Motivational interviewing (MI) is an evidenced-based approach for building and strengthening motivation for change. The effect of MI training on practitioner conversations with unemployed clients within a government work and income service was evaluated using a mixed-method approach, comprising a multiple-baseline across practitioner (n = 5) design and a pre/post quasi-experimental design. After workshop MI training, practitioners demonstrated greater MI skills in conversations with clients, and MI skills were maintained during the period of post-workshop feedback and coaching. There was also more change talk spoken by clients in conversations that occurred post-MI workshop training compared to pre-training, suggesting increased motivation for change.     

The backpropagation algorithm: Implications for the biological bases of individual differences in intelligence

Variations in brain structure and function may explain individual variation in human intelligence. However, it is not currently possible to directly examine this hypothesis. As an indirect examination, a neural network employing the backpropagation algorithm to solve the exclusive-or function was manipulated to possess different numbers of processing elements (neurons), connections (synapses), and conduction failure (synaptic failure). The effect of the variations on network accuracy and energy utilization were compared to human reaction time and cerebral metabolic data to evaluate which variations most reliably reproduced the human results. Varying the synaptic failure rate appears essential for mimicking the human reaction time data and increasing network connectivity is the most efficient way to improve network accuracy for a given degree of neuronal activation. The results suggest that variations in the physiologic events of synaptic neurotransmission and variations in the structural interconnectivity of the neurons in the brain will be found to underline an important portion of the variation in human intelligence.     

Leadership as a predictor of stigma and practical barriers toward receiving mental health treatment: a multilevel approach

The present research examined positive and negative leadership behaviors as predictors of stigma and practical barriers to mental health treatment. Soldiers completed measures of noncommissioned officer (NCO) and officer leadership, stigma, and practical barriers to getting mental health treatment at 2, 3, and 4 months following a 15-month deployment to Afghanistan. The results revealed that positive and negative NCO and officer leader behaviors were predictive of overall stigma and barriers to care (collapsed across the three time periods), with only NCO positive and negative behaviors being uniquely predictive of stigma when included in the same model with officer behaviors. In addition, negative and positive NCO leader behaviors were predictive of stigma within participants over the course of the three month time period, and positive NCO leader behaviors were inversely related to practical barriers to mental health treatment within participants across the same time period. The results are discussed in terms of how different leader behaviors may be linked to different factors influencing a soldier's decision to seek mental health treatment.     

Dissemination of therapist-assisted internet cognitive behaviour therapy: development and open pilot study of a workshop

There is considerable research suggesting that therapist-assisted Internet cognitive behaviour therapy (ICBT) is efficacious in the treatment of depression and anxiety. Given this research, there is a growing interest in training students in therapist-assisted ICBT in order to assist with the dissemination of this emerging modality into routine clinical practice. In this study, we developed, delivered, and evaluated a therapist-assisted ICBT workshop for clinical psychology graduate students (n?=?20). The workshop provided both research evidence and practical information related to the delivery of therapist-assisted ICBT. The workshop also incorporated an experiential component with students working on and discussing responses to client e-mails. Before and after the workshop, we measured knowledge of therapist-assisted ICBT research and professional practice issues, as well as attitudes towards and confidence in delivering therapist-assisted ICBT. Statistically significant changes were observed in all areas. Eighty-five per cent of students are now offering therapist-assisted ICBT under supervision. We conclude by discussing future research directions related to disseminating therapist-assisted ICBT.     

The Impact of Benefit Finding and Leadership on Combat-Related PTSD Symptoms

Benefit finding and unit leadership have been identified as buffers against the negative effects of combat exposure on posttraumatic stress disorder (PTSD) symptoms. However, little is known about how these different buffers work together to protect military personnel from the negative effects of combat. We examined benefit finding and leadership as buffers of the combat–PTSD symptoms link in a sample of recently returned combat veterans (N?=?583). Results revealed that when higher levels of noncommissioned officer (NCO) leadership and benefit finding (BF) were reported, fewer PTSD symptoms were endorsed. Additionally, BF buffered the relationship between combat stress and PTSD symptoms, but only under conditions of supportive officer leadership. Implications of these findings for military settings are discussed.     

Aggressive behavior,related conduct problems,and variation in genes affecting dopamine turnover

A number of dopamine‐related genes have been implicated in the etiology of violent behavior and conduct problems. Of these genes, the ones that code for the enzymes that influence the turnover of dopamine (DA) have received the most attention. In this study, we investigated 12 genetic polymorphisms in four genes involved with DA functioning (COMT, MAOA and MAOB, and DβH) in 179 incarcerated male Russian adolescents and two groups of matched controls: boys without criminal records referred to by their teachers as (a) “troubled‐behavior‐free” boys, n=182; and (b) “troubled‐behavior” boys, n=60. The participants were classified as (1) being incarcerated or not, (2) having the DSM‐IV diagnosis of conduct disorder (CD) or not, and (3) having committed violent or nonviolent crimes (for the incarcerated individuals only). The findings indicate that, although no single genetic variant in any of the four genes differentiated individuals in the investigated groups, various linear combinations (i.e., haplotypes) and nonlinear combinations (i.e., interactions between variants within and across genes) of genetic variants resulted in informative and robust classifications for two of the three groupings. These combinations of genetic variants differentiated individuals in incarceration vs. nonincarcerated and CD vs. no‐CD groups; no informative combinations were established consistently for the grouping by crime within the incarcerated individuals. This study underscores the importance of considering multiple rather than single markers within candidate genes and their additive and interactive combinations, both with themselves and with nongenetic indicators, while attempting to understand the genetic background of such complex behaviors as serious conduct problems. Aggr. Behav. 36:158–176, 2010. © 2010 Wiley‐Liss, Inc.