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161.
Medical College of Wisconsin, Milwaukee, Wisconsin Weber’s law applied to interval timing is called thescalar property. A hallmark of timing in the secondsto-minutes range, the scalar property is characterized by proportionality between the
standard deviation of a response distribution and the duration being timed. In this temporal reproduction study, we assessed
whether the scalar property was upheld when participants chronometrically counted three visually presented durations (8, 16,
and 24 sec) as compared with explicitly timing durations without counting. Accuracy for timing and accuracy for counting were
similar. However, whereas timing variability showed the scalar property, counting variability did not. Counting variability
across intervals was accurately modeled by summing a random variable representing an individual count. A second experiment
replicated the first and demonstrated that task differences were not due to presentation order or practice effects. The distinct
psychophysical properties of counting and timing behaviors argue for greater attention to participant strategies in timing
studies. 相似文献
162.
Conner KR Meldrum S Wieczorek WF Duberstein PR Welte JW 《Suicide & life-threatening behavior》2004,34(4):363-373
Information on the association of impulsivity and measures of aggression with suicidal ideation in adolescents and young adults is limited. Data were gathered from a community sample of 625 adolescent and young adult males. Analyses were based on multivariate generalized estimating equations. Impulsivity and irritability were associated strongly with suicidal ideation after accounting for alcohol dependence and other aggression-related constructs including psychopathy. Given that irritable, impulsive adolescent males appear to contemplate suicidal behavior, their heightened suicide risk may be anticipated and mitigated. 相似文献
163.
The relationships among merit pay raises, trait positive affectivity (PA), and reactions to merit pay increases (pay attitudes and behavioral intentions) were explored in a longitudinal study of hospital employees. Drawing on signal sensitivity theory, the authors expected that PA would moderate the relationship between merit pay raise size and reactions to the increase such that pay raise size would be more strongly related to pay attitudes and behavioral intentions among those low in PA. Results strongly supported the predictions in the case of reactions to the raise amount (happiness and effort intentions) but not for pay level satisfaction. Implications of the results and directions for future research are identified. 相似文献
164.
165.
The psychopathology and particularly the personality disorders of sex offenders were compared to general inmates of the Colorado Department of Corrections. Using the MCMI-III (Millon, 1994, 1997), sex offenders in general were found to have more varied types of personalities than general population inmates. Specifically, they were more schizoid, avoidant, depressive, dependent, self-defeating, and schizotypal. General population inmates had the more classically criminal personality characteristics of antisocial, narcissistic, and sadistic. Multivariate analysis showed the Dependent, Narcissistic, Antisocial, and Schizotypal scales to be the most differentiating. Sex offenders were also found to have more affective psychopathology such as anxiety, dysthymia, PTSD, and major depression. A similar trend was found when comparing child molesters to rapists. The child molesters were more neurotic, affective, and socially impaired than the rapists. Multivariate analysis showed the Dependent scale to be the most important in differentiating these two types of sex offenders. 相似文献
166.
John A. Groeger David Field Sean M. Hammond 《International journal of psychology》1999,34(5-6):359-363
This study, conducted on a sample of 403 adult subjects, set out to explore the relationships between measures of digit span (forward and reversed), motor and spatial span, and their dependence on a broad range of measures of cognitive function. The results revealed that measures of digit span are closely related, as are measures of motor and spatial span, but these pairs of memory span measures are relatively independent of each other. Furthermore, reverse digit span, motor span, and spatial span appear to rely on what might be regarded as intellectual or executive cognitive functions. As such, the results provide little support for accounts of serial recall, which suggest that order and/or item information are more adequately modelled in a modality-independent form. 相似文献
167.
Sylvia Z. Ramirez Kathleen M. Lepage Thomas R. Kratochwill Janet L. Duffy 《Journal of School Psychology》1998,36(4):479-509
In this article, we review literature relevant to multicultural issues in school-based consultation. Specifically, multicultural literature in the counseling and psychotherapy fields is presented as it relates to consultation. Ways in which culture may affect the consultant, consultee, and client are suggested. Because of the paucity of multicultural research in consultation and lack of major break-throughs in multicultural research as related to consultation, a conceptual framework related to the utility of multicultural issues is presented as a new paradigm for future investigations. 相似文献
168.
Gary Stoner Sean P. Carey Martin J. Ikeda Mark R. Shinn 《Journal of applied behavior analysis》1994,27(1):101-113
Two case studies were conducted to investigate the utility of curriculum-based measurement of math and reading for evaluating the effects of methylphenidate on the academic performance of 2 students diagnosed with attention deficit hyperactivity disorder. Following baseline measurement, double-blind placebo-controlled procedures were employed to evaluate each student's response to three levels (5 mg, 10 mg, and 15 mg) of the medication. Results of the first study suggest that the curriculum-based measures were sensitive indicators of the student's response to medication. This finding was replicated in the second study. In the second study, when the student's follow-up dose of medication was based on trial-phase data, follow-up performance was improved compared to baseline performance. These case studies suggest that further research is warranted on the utility of curriculum-based measurements for monitoring and evaluating stimulant medication interventions with children with this disorder. 相似文献
169.
Dennis M. Kivlighan Joseph A. Johnston R. Sean Hogan Ellen Mauer 《Journal of counseling and development : JCD》1994,72(3):289-292
The Adaptive Counseling and Therapy (ACT: Howard, Nance, & Myers, 1986) model was used to predict who would benefit from computerized career counseling. Specifically, clients who had more stable goals and aspirations and more defensive independence were expected to derive more benefit from computerized career counseling, an intervention that provides low levels of direction and support. A total of 54 clients who came to the Career Planning and Placement Center seeking career assistance were referred to the System for Interactive Guidance and Information PLUS (SIGI-PLUS). As hypothesized, clients with more stable goals had the greatest gains in vocational identity. Additionally, clients who showed more defensive independence were more satisfied with the SIGI-PLUS treatment. Implications, limitations, and suggestions for future research are discussed. 相似文献
170.
Sean James Fallon Chevonne van Rhee Annika Kienast Sanjay G. Manohar Masud Husain 《Journal of Neuropsychology》2023,17(2):235-250
Working memory (WM) impairments are reported to occur in patients with Parkinson's disease (PD). However, the mechanisms are unclear. Here, we investigate several putative factors that might drive poor performance, by examining the precision of recall, the order in which items are recalled and whether memories are corrupted by random guessing (attentional lapses). We used two separate tasks that examined the quality of WM recall under different loads and retention periods, as well as a traditional digit span test. Firstly, on a simple measure of WM recall, where patients were asked to reproduce the orientation of a centrally presented arrow, overall recall was not significantly impaired. However, there was some evidence for increased guessing (attentional lapses). On a new analogue version of the Corsi-span task, where participants had to reproduce on a touchscreen the exact spatial pattern of presented stimuli in the order and locations in which they appeared, there was a reduction in the precision of spatial WM at higher loads. This deficit was due to misremembering item order. At the highest load, there was reduced recall precision, whereas increased guessing was only observed at intermediate set sizes. Finally, PD patients had impaired backward, but not forward, digit spans. Overall, these results reveal the task- and load-dependent nature of WM deficits in PD. On simple low-load tasks, attentional lapses predominate, whereas at higher loads, in the spatial domain, the corruption of mnemonic information—both order item and precision—emerge as the main driver of impairment. 相似文献