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921.
Some models of memory for arithmetic facts (e.g., 5+2=7, 6×7=42) assume that only the max-left order is stored in memory (e.g., 5+2=7 is stored but not 2+5=7). These models further assume an initial comparison of the two operands so that either operand order (5+2 or 2+5) can be mapped to the common internal representation. We sought evidence of number comparison in simple addition and multiplication by manipulating size congruity. In number comparison tasks, performance costs occur when the physical and numerical size of numerals are incongruent (8 3) relative to when they are congruent (8 3). Sixty-four volunteers completed a number comparison task, an addition task, and a multiplication task with both size congruent and size incongruent stimuli. The comparison task demonstrated that our stimuli were capable of producing robust size congruity and split effects. In the addition and multiplication task, however, we were unable to detect any of the RT signatures of comparison or reordering processes despite ample statistical power: Specifically, there was no evidence of size congruity, split, or order effects in either the addition or multiplication data. We conclude that our participants did not routinely engage a comparison operation and did not consistently reorder the operands to a preferred orientation. 相似文献
922.
Cathy Owens Swift Constance Campbell 《Journal of Personal Selling & Sales Management》2013,33(4):45-56
This study examines the type of relationship that exists between the sales manager and subordinate (vertical exchange status), and its impact on the sales manager's attributions about the subordinate performance, as well as subsequent responses to the subordinate. Results indicate that cadres may receive preferential consideration in explaining their performance, which then impacts the sales manager's response to the salesperson. The findings imply that sales managers should be careful in assigning attributions for performance by both cadre and hired hand salespersons. 相似文献
923.
Although empowerment often makes a team more effective, managers do not use this tool extensively. One explanation for this is that managers fear that individuals will draw negative conclusions about their leadership abilities if they use an inappropriate degree of decision-making empowerment (DME). The current research explored this hypothesis, using scenarios to manipulate DME, organizational setting, manager gender, and task outcome. Officer cadets (N?=?173) judged appropriateness of the manager's use of empowerment; degree of leadership shown; and willingness to work for the manager. Cadets saw high DME as significantly more appropriate than low, resulting in significantly higher leadership attributions and a greater willingness to work for the manager. Findings held regardless of context or gender. Task outcome also affected attributions. 相似文献
924.
Rosemary A. Rosser Kathleen P. Campbell Patricia F. Horan 《The Journal of genetic psychology》2013,174(4):447-455
To assess the differential salience of geometric features embedded in spatial displays, 60 preschool children, 3 to 5 years old, were required to reconstruct a series of geometric displays. Each arrangement included the depiction of a topological feature, unconnectedness; a Euclidean feature, linearity; and a projective feature, orientation. Children built their reconstructions under two demand conditions. The reconstructions were scored for the number that preserved each of the different geometric features. Results from a mixed-design analysis of variance revealed main effects for age, demand condition, and geometric feature, as well as for several first-order interactions. Data indicated that the Euclidean feature was the most salient and most frequently preserved characteristic and that the topological and projective ones were more problematic. The findings were discussed as a contrast to Piagetian predictions. 相似文献
925.
Richard Campbell 《Australasian journal of philosophy》2013,91(3):345-359
926.
Donald T. Campbell 《Inquiry (Oslo, Norway)》2013,56(1-4):152-182
Philosophers of science, in the course of making a sharp distinction between the tasks of the philosopher and those of the scientist, have pointed to the possibility of an empirical science of induction. A comparative psychology of knowledge processes is offered as one aspect of this potential enterprise. From fragments of such a psychology, methodological suggestions are drawn relevant to several chronic problems in the social sciences, including the publication of negative results from novel explorations, the operational diagnosis of dispositions, the status of aggregates of persons as social entities, and the validation of psychological tests. 相似文献
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929.
The Relationship of Adverse Childhood Experiences to PTSD,Depression, Poly-Drug Use and Suicide Attempt in Reservation-Based Native American Adolescents and Young Adults 下载免费PDF全文
Teresa N. Brockie Gail Dana-Sacco Gwenyth R. Wallen Holly C. Wilcox Jacquelyn C. Campbell 《American journal of community psychology》2015,55(3-4):411-421
Adverse childhood experiences (ACEs) are associated with numerous risk behaviors and mental health outcomes among youth. This study examines the relationship between the number of types of exposures to ACEs and risk behaviors and mental health outcomes among reservation‐based Native Americans. In 2011, data were collected from Native American (N = 288; 15–24 years of age) tribal members from a remote plains reservation using an anonymous web‐based questionnaire. We analyzed the relationship between six ACEs, emotional, physical, and sexual abuse, physical and emotional neglect, witness to intimate partner violence, for those <18 years, and included historical loss associated symptoms, and perceived discrimination for those <19 years; and four risk behavior/mental health outcomes: post‐traumatic stress disorder (PTSD) symptoms, depression symptoms, poly‐drug use, and suicide attempt. Seventy‐eight percent of the sample reported at least one ACE and 40 % reported at least two. The cumulative impact of the ACEs were significant (p < .001) for the four outcomes with each additional ACE increasing the odds of suicide attempt (37 %), poly‐drug use (51 %), PTSD symptoms (55 %), and depression symptoms (57 %). To address these findings culturally appropriate childhood and adolescent interventions for reservation‐based populations must be developed, tested and evaluated longitudinally. 相似文献
930.
Xuan‐Wei Lu Apurv Chauhan Catherine Campbell 《Journal of community & applied social psychology》2015,25(5):384-399
Little is understood by the ideas that urban Chinese population holds about mental health. Insufficient research and recognition of mental illnesses, and a dearth of social resources for mental health support and promotion limit understandings of how daily life stresses restrict the quality of life of China's urban population. Drawing on in‐depth interviews with 15 middle‐age urban men, we map out men's accounts of how they battle to cope with the demands of everyday social, political, and familial pressures. The study reveals that the representations of mental health are shaped by notions of control over emotions, adherence to Confucian philosophy, familial obligations, and the need to demonstrate social obedience and conformity. Data also suggest that the participants represent stable family support along with healthy social interactions as important enabling factors of positive mental health, whereas pressures of modernity are regarded as significant disruptive factors in mental health. The theory of social representations guides the process as well as analytic interpretations of this research. Copyright © 2015 John Wiley & Sons, Ltd. 相似文献