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51.
Downing N Smith MM Beglinger LJ Mills J Duff K Rowe KC Epping E Paulsen JS Predict-Hd Investigators of Huntington Study Group 《Psychology & health》2012,27(2):196-209
This study examines perceived stress and its relationship to depressive symptoms, life changes and functional capacity in a large sample of individuals who are positive for the Huntington disease (HD) gene expansion but not yet diagnosed. Participants were classified by estimated proximity to HD diagnosis (far, mid, near) and compared with a non-gene-expanded comparison group. Persons in the mid group had the highest stress scores. A significant interaction between age and time since HD genetic testing was also found. Secondary analyses using data from a different data collection point and including a diagnosed group showed the highest stress scores in the diagnosed group. Possible explanations and implications are discussed. 相似文献
52.
Attention and social functioning and their interrelationships have not been routinely examined in children with early brain insult (EBI). This study aimed to describe attention and social functioning in children with two types of EBI: malformations of cortical development (MCD) and stroke. Children diagnosed with MCD (n = 14, 6 males) or stroke (n = 14, 8 males) aged 8 to 14 years (M = 12 years 11 months) completed neuropsychological assessments to examine attention processes. Primary caregivers completed a questionnaire to assess executive components of children's attention and teachers completed a questionnaire to measure children's social functioning. Brain scans (MRI or CT) were coded by a pediatric neuroradiologist. Higher rates of impairments in attention and social function were found in children with EBI compared with normative expectations. Children with MCD experienced more global and clinically significant levels of impairment than children with stroke; though impairments were present in both groups. A strong association between executive components of attention and social function was observed. In addition, complex attention processes were associated with social function. The findings emphasize the reciprocity between attention, behavior and social outcomes, and the vulnerability of social function following EBI. 相似文献
53.
Reed-Knight B McCormick M Lewis JD Blount RL 《Journal of clinical psychology in medical settings》2012,19(2):188-196
The current study examined factors associated with adolescent and parent participation in a coping skills intervention for
adolescent girls with inflammatory bowel disease (IBD) and examined factors associated with attrition related to intermittent
missing data. Thirty-one adolescent girls with IBD and their parents enrolled in the intervention. Psychosocial and disease
factors related to participation in the 6-week web component of the coping skills intervention were examined as were baseline
group differences between those who provided post-treatment data and those who did not. Adolescents experiencing more difficulties
related to their disease and psychosocial functioning participated less in the web component of the treatment intervention.
Families who attrited had higher baseline levels of parental catastrophic thoughts, parenting stress, and adolescent depression.
Families experiencing greater levels of psychological and disease-related difficulties may be at risk for low participation
and eventual dropout from pediatric IBD psychological treatment interventions. 相似文献
54.
Recognition memory is typically examined as a discrete end-state, describable by static variables, such as accuracy, response time, and confidence. In the present study, we combined real-time mouse-tracking with subsequent, overt confidence estimates to examine the dynamic nature of memory decisions. By examining participants' streaming x-, y- mouse coordinates during recognition decisions, we observed that movement trajectories revealed underlying response confidence. More confident decisions were associated with shorter decision times and more linear response trajectories. Less confident decisions were made slowly, with increased trajectory curvature. Statistical indices of curvature and decision times, including area-under-the-curve and time to maximum deviation, suggested that memory strength relates to response dynamics. Whether participants were correct or incorrect, old responses showed a stronger correspondence between mouse trajectories and confidence, relative to new responses. We suggest that people subjectively experience a correspondence between feelings of memory and feelings of confidence; that subjective experience reveals itself in real-time decision processes, as suggested by sequential sampling models of recognition decisions. 相似文献
55.
56.
Life-transitions (e.g. parenthood) have been linked to physical inactivity, yet the topic requires further exploration. In this study, we evaluated changes in the physical activity (PA) of adults during their early career transition using retrospective analysis and the theory of planned behavior. Recruitment from January to March 2010 yielded a random sample of 267 assistant professors, ages 25-44, employed within the last five years. Repeated measures analysis of variance (RM ANOVA) concluded that PA declined across the transition (d?=?0.36-0.43) and was further attenuated by marriage, work hours, and parenthood status. Discriminant function analysis (DFA) identified specific behavioral and control correlates about PA enjoyment, limited time, inconsistent schedule, work demands, and job pressures to distinguish between those who remained active from those who did not across the transition. PA interventions administered prior to career transitions may be needed to prevent physical inactivity. 相似文献
57.
Megan R Heinicke James E Carr Linda A LeBlanc 《Journal of applied behavior analysis》2012,45(3):511-526
Research on functional response classes has applied significance because less severe forms of problem behavior have been found to co‐occur with more severe forms. In addition, the most severe forms of problem behavior are sometimes targeted for intervention without monitoring other less severe forms. In such cases, it is unknown whether and how untreated forms of problem behavior covary with the targeted behaviors. The present study employed a translational procedure (with button presses as the target behavior) to investigate response covariation under noncontingent reinforcement with typically developing preschoolers. The results indicated that noncontingent reinforcement was generally effective in decreasing all response class members when only one member was targeted. 相似文献
58.
Colquitt JA Lepine JA Piccolo RF Zapata CP Rich BL 《The Journal of applied psychology》2012,97(1):1-15
Past research has revealed significant relationships between organizational justice dimensions and job performance, and trust is thought to be one mediator of those relationships. However, trust has been positioned in justice theorizing in 2 different ways, either as an indicator of the depth of an exchange relationship or as a variable that reflects levels of work-related uncertainty. Moreover, trust scholars distinguish between multiple forms of trust, including affect- and cognition-based trust, and it remains unclear which form is most relevant to justice effects. To explore these issues, we built and tested a more comprehensive model of trust mediation in which procedural, interpersonal, and distributive justice predicted affect- and cognition-based trust, with those trust forms predicting both exchange- and uncertainty-based mechanisms. The results of a field study in a hospital system revealed that the trust variables did indeed mediate the relationships between the organizational justice dimensions and job performance, with affect-based trust driving exchange-based mediation and cognition-based trust driving uncertainty-based mediation. 相似文献
59.
Purpose/Objective: The purpose of this study was to examine the association between facilitating psychological variables and functional rehabilitation outcomes following acute medical rehabilitation. Research Method/Design: Using a longitudinal design and correlational and regression analyses, we studied 174 adults who were participating in inpatient rehabilitation for acute spinal cord dysfunction, stroke, amputation, or orthopedic surgery recovery. All participants completed the Hope Scale, Positive and Negative Affect Schedule, and Functional Independence Measure (FIM) during the first days of their inpatient stay, and then were contacted 3 months after discharge to complete the Craig Hospital Assessment and Reporting Technique (CHART) and FIM. Results: Hope accounted for a statistically significant amount of the variance in the prediction of functional role participation at 3 months postdischarge (as measured by the CHART) above and beyond the variance accounted for by demographic and severity variables. In contrast, positive affect was not found to contribute to the prediction of functional role participation, and neither hope nor positive affect contributed to the prediction of functional skill level (FIM). Conclusions/Implications: The results indicate that positive psychological variables present during the rehabilitation stay, such as hopefulness, may contribute to the prediction of functional outcomes after discharge in rehabilitation populations. These findings suggest that incorporating interventions that enhance hope and build on the individual's psychological strengths may be useful to improve participation outcomes following acute medical rehabilitation. (PsycINFO Database Record (c) 2012 APA, all rights reserved). 相似文献
60.
The customary assumption in the study of human learning using alternating study and test trials is that learning occurs during study trials and that test trials are useful only to measure learning. In fact, tests seem to play little role in the development of learning, because the learning curve is similar even when the number of test trials varies widely (Tulving, Journal of Verbal Learning and Verbal Behavior 6:175-184, 1967). However, this outcome seems odd, because other research has shown that testing fosters greater long-term learning than does studying. We report three experiments addressing whether tests affect the shape of the learning curve. In two of the experiments, we examined this issue by varying the number of spaced study trials in a sequence and examining performance on only a single test trial at the end of the series (a "pure-study" learning curve). We compared these pure-study learning curves to standard learning curves and found that the standard curves increase more rapidly and reach a higher level in both free recall (Exp. 1) and paired-associate learning (Exp. 2). In Experiment 3, we provided additional study trials in the "pure-study" condition to determine whether the standard (study-test) condition would prove superior to a study-study condition. The standard condition still produced better retention on both immediate and delayed tests. Our experiments show that test trials play an important role in the development of learning using both free-recall (Exps. 1 and 3) and paired-associate (Exp. 2) procedures. Theories of learning have emphasized processes that occur during study, but our results show that processes engaged during tests are also critical. 相似文献