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51.
The Tower of London (TOL) task has been widely used in both clinical and research realms. In the current study, 104 healthy participants attempted all possible moderate- to high-difficulty TOL problems in order to determine: (1) optimal measures of problem solving performance, (2) problem characteristics, other than the minimum moves necessary to solve the problem, that determine participants’ difficulty in solving problems successfully, quickly, and efficiently, and (3) effects of increased task experience on which problem characteristics determine problem difficulty. A factor analysis of six performance measures found that, regardless of task experience, problem difficulty could be captured well either by a single factor corresponding to general quality of solution or possibly by three subordinate factors corresponding to solution efficiency, solution speed, and initial planning speed. Regression analyses predicting these performance factors revealed that in addition to a problem’s minimum moves three problem parameters were critical in determining the problem difficulty: goal position hierarchy, start position hierarchy, and number of solution paths available. The relative contributions of each of the characteristics strongly depended on which performance factor defined performance. We conclude that TOL problem performance is multifaceted, and that classifying problem difficulty using only the minimum moves necessary to solve the problem is inadequate. 相似文献
52.
Xander M. Bezuijen Karen van Dam Peter T. van den Berg Henk Thierry 《Journal of Occupational & Organizational Psychology》2010,83(3):673-693
This study investigated how leader–member exchange (LMX), goal setting, and feedback are related to employee engagement in learning activities. Two different mechanisms were proposed: a mediating mechanism holding that LMX elicits specific leader behaviours (i.e., goal setting and feedback) which would mediate the LMX‐learning relationship, and a moderating mechanism, holding that LMX would strengthen the effect of these leader behaviours. A sample of 1,112 employees from 7 organizations completed questionnaires that measured LMX, goal specificity, feedback, and self‐reports of employee engagement in learning activities. The 233 direct leaders of these employees completed questionnaires that measured goal difficulty and leader ratings of employee engagement in learning activities. Multi‐level analysis showed that goal difficulty and goal specificity mediated the relationship between LMX and employee engagement in learning activities, and that LMX moderated the relationship of goal difficulty with employee engagement in learning activities. With these findings, the present study contributes to the literatures on LMX, goal setting, and employee development. 相似文献
53.
Working memory and arithmetic calculation in children: the contributory roles of processing speed, short-term memory, and reading 总被引:2,自引:0,他引:2
Berg DH 《Journal of experimental child psychology》2008,99(4):288-308
The cognitive underpinnings of arithmetic calculation in children are noted to involve working memory; however, cognitive processes related to arithmetic calculation and working memory suggest that this relationship is more complex than stated previously. The purpose of this investigation was to examine the relative contributions of processing speed, short-term memory, working memory, and reading to arithmetic calculation in children. Results suggested four important findings. First, processing speed emerged as a significant contributor of arithmetic calculation only in relation to age-related differences in the general sample. Second, processing speed and short-term memory did not eliminate the contribution of working memory to arithmetic calculation. Third, individual working memory components--verbal working memory and visual-spatial working memory--each contributed unique variance to arithmetic calculation in the presence of all other variables. Fourth, a full model indicated that chronological age remained a significant contributor to arithmetic calculation in the presence of significant contributions from all other variables. Results are discussed in terms of directions for future research on working memory in arithmetic calculation. 相似文献
54.
Jeffrey Buchanan Jeremy Husfeldt Tiffany Berg Daniel Houlihan 《Behavioral Interventions》2008,23(1):65-74
The case is made that issues facing the elderly are problems of social importance that should be of interest to applied behavior analysts. An electronic review of eight prominent behaviorally‐oriented journals was conducted in order to examine the frequency of publications over the past 25 years that were concerned with issues related to aging. A total of 109 articles were devoted to aging across the eight journals, with about 30% of these involving participants with cognitive impairments. Results also indicate that each of these journals has published less than one article per year related to aging. The role behavior analysts can play in serving both the elderly and their caregivers is discussed. Copyright © 2008 John Wiley & Sons, Ltd. 相似文献
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Nathan A. Call Alec M. Bernstein Matthew J. O'Brien Kelly M. Schieltz Loukia Tsami Dorothea C. Lerman Wendy K. Berg Scott D. Lindgren Mark A. Connelly David P. Wacker 《Journal of applied behavior analysis》2024,57(1):166-183
Clinicians report primarily using functional behavioral assessment (FBA) methods that do not include functional analyses. However, studies examining the correspondence between functional analyses and other types of FBAs have produced inconsistent results. In addition, although functional analyses are considered the gold standard, their contribution toward successful treatment compared with other FBA methods remains unclear. This comparative effectiveness study, conducted with 57 young children with autism spectrum disorder, evaluated the results of FBAs that did (n = 26) and did not (n = 31) include a functional analysis. Results of FBAs with and without functional analyses showed modest correspondence. All participants who completed functional communication training achieved successful outcomes regardless of the type of FBA conducted. 相似文献
57.
Berg WK Wacker DP Cigrand K Merkle S Wade J Henry K Wang YC 《Journal of applied behavior analysis》2007,40(3):545-552
The results of a functional analysis of problem behavior and a paired-choice assessment were compared to determine whether the same social reinforcers were identified for problem behavior and an appropriate response (time allocation). The two assessments were conducted in classroom settings with 4 adolescents with mental retardation who engaged in severe problem behavior. Each student's classroom teacher served as the therapist for all phases of assessment. The two assessment procedures identified the same social reinforcers for problem and appropriate behavior for 3 of 4 participants. 相似文献
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Paul J. Silvia Emily C. Nusbaum Christopher Berg Christopher Martin Alejandra OConnor 《Journal of research in personality》2009,43(6):1087-1090
What are creative people like? Openness to experience is important to creativity, but little is known about plasticity, the higher-order factor that subsumes openness. College students (n = 189) completed measures of the Big Five and measures of creative cognition (fluency and quality of divergent thinking), everyday creative behaviors, creative achievement, and self-rated creativity. Latent variable models found broad effects of openness to experience and few effects of the other four domains. At the higher-order level, plasticity predicted higher scores on nearly all of the facets of creativity, and stability had several significant effects. For some creativity measures, plasticity and stability had opposing effects. Tests of latent interactions found no significant effects: plasticity and stability predict creatively independently, not jointly. 相似文献
60.
In light of literature highlighting gender differences related to academic self-concept and depressed mood, this study explored the contributions of academic self-concept in individual subject areas to self-reported depressed mood in 86 elementary-age boys and girls from a province in central Canada. Results indicated that academic self-concept explained 68% and 62% of the variance in self-reported depressed mood for boys and girls, respectively. Separate analyses conducted for boys and girls indicated disparate predictive models that cohered with gender stereotypic self-perceptions: math for boys and reading for girls. Interestingly, physical education emerged as a significant contributor for boys and girls. Results are discussed in terms of the importance of addressing the relationship between children’s social-emotional self-perceptions and academic self-concept within domain-specific lenses. 相似文献