Two sets of twins with selective mutism: neuropsychological findings.

Neuropsychological data are reviewed from two sets of dizygotic twins presenting with selective mutism characterized by situation specific anxiety, extreme passive behavior, lack of responsivity, lack of peer interaction, and a chronic course of selective mutism. Both sets of twins had a history of prematurity and delayed speech development. One set of twins presented with normal intelligence and normal receptive language skills but with expressive language and oral motor sequencing difficulties. The second set of twins presented with Verbal IQ deficits and significant receptive and expressive language deficits. A summary of current conceptualizations regarding etiology and treatment of selective mutism is provided.     

The Differential Effects of Extracurricular Activities on Attributions in Résumé Evaluation

This study examines the effects that extracurricular activities have on the attributions a résumé reader makes about an applicant. Three characteristics of extracurricular activities (number of activities, holding positions of leadership, and relevance of the activities) were manipulated across 24 résumés of fictitious college graduates. Some 219 raters read the résumés and made judgments about the level of the applicant’s quality. The results showed a main effect for the number of activities, a main effect for holding leadership positions, and a main effect for relevance of the activity. Furthermore, a three–way interaction revealed the differential effects that the relevance of the activities had on the attributions at different levels of leadership and number of activities. A mix of career–related and social activities garnered higher ratings for those who held leadership positions in five activities. However, for those who were leaders in only two activities or were not leaders in five, having only career–related activities earned them higher ratings. For applicants who were not leaders in two activities, relevance of the activities played no role.     

Meaningful patterns of activity amongst the long‐term inner city unemployed: a qualitative study

A number of studies have sought to establish the social psychological factors involved in the maintenance of active lifestyles during long‐term unemployment. The aim of this study was to describe and account for the development and maintenance of different patterns of activity, with reference to their perceived meaningfulness. This was undertaken with a sample of Birmingham's inner city, long‐term unemployed population recruited from three inner city Jobcentres, including men and women, and White, Asian and African Caribbean participants (N = 24). Interviews were conducted using a semi‐structured interview guide. Using the qualitative software program, NUD.IST, the data were analysed according to the principles of the grounded theory approach. Activities were characterized as: domestic; educational; work‐like; socializing; and none. A model of meaningful activity in the context of formal unemployment was developed. The main components of the model were: features of formal employment that inhibited participants' engagement in it; the requirements for personal meaningful activity (challenging activity, effort and commitment, and being valued by others); the consequences of meaningful activity (opportunities for self‐determination and self‐development, and achievement, competence, and confidence) and consolidating factors (social comparison, self‐appraisal, religious and political beliefs, and social support). Theories of unemployment of Jahoda, Warr, and Fryer are considered in the light of the present findings. Copyright © 2002 John Wiley & Sons, Ltd.     

Revisiting Westphalia, Discovering Post-westphalia

This article explores the structure of world order fromthe perspective of the Treaty of Westphalia, which is treated asthe benchmark for the emergence of the modern system of sovereignstates. Emphasis is placed on Westphalia as historical event, ideaand ideal, and process of evolution, and also on developments thatsupersede this framing of world politics, especially, globalizationand the megaterrorist challenge of September 11, 2001. At issue is whether the state system is resilient enough to adapt to new globalconditions or is in the process of being supplanted, and whether thesequel to Westphalia is moving toward humane global governance orsome dysutopic variant, or both at once.     

Tomorrow's consumer — the shifting balance of power

What are the prospects for consumerism? Often despised as self‐indulgent, consumers are frequently motivated by altruism and their needs to express their identity, to build relationships, to obtain fulfilment and even to find a substitute for religion. Mass‐customisation is producing fundamental change, revolutionising attitudes to choice, with a key role for agents (human and online) in helping people choose. Consumer power will grow and brands will be under pressure from rising consumer expectations. While retailers fight back with targeted marketing and special offers, brands will need to serve consumer needs as much as suppliers. Online shopping could transform consumer behaviour, driven by cost saving and convenience and spurred on by competition. Will retailers protect their traditional channels or go online because they are afraid not to? ‘Etailing’ will need to create consumer trust, so regulation will be critical, possibly leading to legal responsibilities for quality on Internet service providers (ISPs) and portals and with systems to help new entrants build a track record of reliability, thereby increasing competition, choice and consumer power. Copyright © 2002 Henry Stewart Publications.     

Parent-Adolescent Relationship and Adolescent Psychological Functioning among African-American Female Adolescents: Self-Esteem as a Mediator

African-American female adolescents living in urban areas are at increased risk for adverse adjustment outcomes. The present study accomplished two goals. First, the quality of the parent-adolescent relationship across age groups was examined for differences among younger (i.e., 12'14) versus mid-range (i.e., 15'16) versus older (i.e., 17'18) adolescents. Second, self-esteem was examined as a possible mediator of the relationship between the quality of the parent-adolescent relationship and adolescent psychological functioning in a sample of 608 African-American urban adolescent females. With regard to developmental shifts in the quality of the parent-adolescent relationship, midrange adolescents reported a significantly poorer relationship with their mother than older adolescents. Results also indicated that self-esteem partially mediated the relationship between parent-child relationship and adolescent psychological functioning. Mental health professionals can broaden their interventions that aim to improve adolescent psychological functioning by either focusing on the quality of the parent-adolescent relationship or adolescent self-esteem.     

Stress and Cytokine Effects on Learning: What Does Sex Have to Do With It?

Many studies have alluded to sexually dimorphic changes in behavior following stress. Although many have suggested that these changes are a function of stress-induced changes in learning and memory, there are questions regarding whether performance in those learning and memory tasks are influenced by stress-induced changes in drive more than in actual learning and memory processes. We used the classically conditioned eyeblink response (CCER) to determine whether slowed learning following stress in females can be explained by changes in unconditional response (UR) amplitude, a sign of a stress-induced shift in sensory reactivity. In addition, we had a second treatment group injected with the pro-inflammatory cytokine IL-1beta to serve as an interoceptive stress condition, a physiological stressor with minimal stimulation to the animal. Replicating the work by Shors and colleagues, we found that stressed female rats had slower acquisition of the conditioned response (CR), but we also found that an IL-1beta injection leads to a slowing of CR acquisition. However, in both cases, UR amplitude was lower in the treatment groups. We followed up these results by testing sensory reactivity through the acoustic startle response (ASR), where the magnitude of the ASR was marginally, but nonsignificantly, reduced by the same dose regimen of IL-1beta. Together, these experiments suggest that tailshock stress and immune signaling (IL-1beta) reduce sensory reactivity and the saliency of the stimuli used in the CCER, leading to slower learning in female rats.     

Improving methodological and technological analyses of adaptive switch use of individuals with profound multiple impairments

Basic response–event relations can be difficult to demonstrate with individuals with profound multiple impairments who participate in adaptive switch programs. Numerous variables that impede learning and contribute to performance variability present challenges to assessment methods. As switch use may be the only operant under stimulus control with some individuals, however, improvement in assessment methods and measurement technology is important. In three case studies, response–event relations were examined in individuals who were provided with an adaptive switch that could activate an electronic leisure device. With two individuals, evidence of learning was assessed in a novel alternating‐treatments design. Switch use was compared under conditions in which switch closures produced activation and conditions in which closures deactivated the device. With the remaining individual, the effects of momentary activation by switch closure were compared to timed activation. Data were collected with a combination of data collection technologies. Whole‐session rate and response‐duration data provided some evidence of learning in all participants. Data also were converted into within‐session cumulative graphs, which aided data interpretation. The results demonstrate advances in assessment of learning in people with profound multiple impairments. Copyright © 2003 John Wiley & Sons, Ltd.