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91.
Accurate and efficient operator functional state classification and assessment based on physiological data have many important applications ranging from operator monitoring to interaction and control of human/machine systems. Eyeblink characteristics are frequently used as physiological indicators for this purpose. In this paper, we describe an efficient and robust eyeblink detection algorithm based on nonlinear analysis of the electrooculogram (EOG) signal. The performance of the algorithm was evaluated via data analysis results of several benchmark test sets in comparison with another eyeblink detection algorithm. 相似文献
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93.
Resistance to extinction and generalization gradients were studied following training with a long-adjusting-interval schedule. One large reinforcer occurred at the end of each daily training session. Sessions varied in length from 20 sec to 42.66 min, but were usually the latter. Repeated generalization tests were subsequently conducted for these subjects and subjects trained with a more conventional short-random-interval schedule. The long-adjusting-interval schedule produced generalization gradients that were not qualitatively different from those produced by the conventional procedure. However, the advantages of the long-adjusting-interval schedule are: (1) greater resistance to extinction both within and across generalization tests and (2) more stable gradient slopes within and across tests. 相似文献
94.
Lauren Kelada Janis Whitlock Penelope Hasking Glenn Melvin 《Journal of child and family studies》2016,25(11):3403-3416
We assessed the impact of adolescent nonsuicidal self-injury (NSSI) on parents in two studies. In Study 1, 16 Australian parents of adolescents with a history of nonsuicidal self-injury responded to open-ended questions about their child’s nonsuicidal self-injury. Data from 10 of the adolescents were matched with parents’ responses regarding the nature and extent of nonsuicidal self-injury, revealing that parents underestimated the frequency of nonsuicidal self-injury, the age of onset, and the likelihood their child would continue to self-injure. In Study 2, 22 American parents of adolescents with a history of nonsuicidal self-injury participated in interviews about their experiences. Parents in both studies reported changes in the parent–adolescent relationship after self-injury, which posed challenges to the family unit. When professional help had been sought, experiences were largely negative. Results support further investigation into family-based interventions to equip parents with tools to better relate to, and communicate with, their adolescent following self-injury. Results also suggest that mental-health professionals and general practitioners may require further training for nonsuicidal self-injury. 相似文献
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96.
ASSESSING WOMEN'S FEMINIST IDENTITY DEVELOPMENT Studies of Convergent, Discriminant, and Structural Validity 总被引:1,自引:1,他引:0
Ann R. Fischer David M. Tokar Marija M. Mergl Glenn E. Good Melanie S. Hill Sasha A. Blum 《Psychology of women quarterly》2000,24(1):15-29
Researchers have called for increasing sophistication in the assessment of women's feminist identity development (Enns & Hackett, 1990; Hackett, Enns, & Zetzer, 1992) to understand important psychological processes. This series of studies examined recent efforts to operationalize Downing and Roush's (1985) model of feminist identity development. Specifically, the psychometric properties of two existing measures—the Feminist Identity Development Scale (Bargad & Hyde, 1991) and the Feminist Identity Scale (Rickard, 1987)—were examined in two studies with separate samples of women (total N = 486). Results of Study 1 indicated the strengths and significant limitations associated with each scale (e.g., low internal consistency for some subscales, item-subscale inconsistency). A composite measure (derived from these scales) with better overall psychometric properties is described. In Study 2, we found good support for the composite instrument's internal consistency, as well as convergent, discriminant, and factorial validity in a sample that included a wide age range and nonstudent community residents. 相似文献
97.
Cognitive-behavioral therapy (CBT) is an evidence-based treatment for school refusal. However, some youth do not respond to CBT. The serious risks associated with school nonattendance call for novel approaches to help those who do not respond to CBT. Because school refusal is commonly associated with anxiety disorders, and the combination of CBT and antidepressant medication enhances outcomes in the treatment of anxiety disorders, combined treatment may be effective for school refusal. This narrative review evaluates the current evidence base for adding antidepressant treatment to CBT for school refusal. Six randomized controlled trials (RCTs), two open trials, six case studies/series, and one observational study were identified and reviewed. There is support for combined CBT and imipramine, but this medication is not typically used due to the risk of concerning side effects. Two recent RCTs failed to provide evidence for the superiority of combined CBT and fluoxetine. Further research in this area is required because the extant studies have a number of methodological limitations. Recommendations are provided for clinicians who consider prescribing antidepressant medication or referring for adjunctive antidepressant treatment for school refusal. 相似文献
98.
David Heyne Malin Gren-Landell Glenn Melvin Carolyn Gentle-Genitty 《Cognitive and behavioral practice》2019,26(1):8-34
School attendance problems (SAPs) are heterogeneous with respect to etiology and presentation. The long history of conceptualizing SAPs has led to a vast array of terms and definitions as well as different perspectives on the most helpful approach to classification. For educators, practitioners, researchers, and policymakers, this presents a challenge in understanding, assessing, and intervening with SAPs. This paper outlines evolution in the conceptualization of SAPs, focusing on two contemporary approaches to differentiating between them. One approach draws on the longstanding differentiation between SAP types labeled school refusal, truancy, and school withdrawal. A fourth type of SAP, labeled school exclusion, is also considered. The other approach focuses on the function of absenteeism, measured via the School Refusal Assessment Scale (SRAS). Anecdotal and scientific support for the SAP typology is presented, along with the benefits and shortcomings of the SRAS approach to differentiation. The paper offers suggestions for how to differentiate between SAPs and introduces the SNACK, a brief screening measure that permits differentiation by SAP type. 相似文献
99.
Christopher R. Madan Andrea T. Shafer Michelle Chan Anthony Singhal 《Quarterly journal of experimental psychology (2006)》2017,70(4):793-810
Taboo stimuli are highly arousing, but it has been suggested that they also have inherent taboo-specific properties such as tabooness, offensiveness, or shock value. Prior studies have shown that taboo words have slower response times in lexical decision and higher recall probabilities in free recall; however, taboo words often differ from other words on more than just arousal and taboo properties. Here, we replicated both of these findings and conducted detailed item analyses to determine which word properties drive these behavioural effects. We found that lexical-decision performance was best explained by measures of lexical accessibility (e.g., word frequency) and tabooness, rather than arousal, valence, or offensiveness. However, free-recall performance was primarily driven by emotional word properties, and tabooness was the most important emotional word property for model fit. Our results suggest that the processing of taboo words is influenced by distinct sets of factors and by an intrinsic taboo-specific property. 相似文献
100.