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81.
Peter C. Holland 《Learning and motivation》1981,12(1):1-18
Food aversions were established in rats by administering lithium chloride (LiCl) immediately after the presentation of an exteroceptive conditioned stimulus (CS) which previously had been paired with a food substance. In Experiment 1, rats which received first tone-food and then tone-LiCl pairings showed less food consumption in subsequent testing than rats which received only tone-food or tone-LiCl pairings. Experiments 2 and 3 demonstrated the stimulus specificity of aversions established in this manner. Rats which first received pairings of light and tone CSs with two different food substances and then received pairings of one of those CSs with LiCl showed greater aversion to the food previously associated with the LiCl-paired CS than to the other food substance. Experiment 3 also showed that specific aversions were not acquired if rats received CS-shock rather than CS-LiCl pairings. These results suggest that CS-evoked representations of events can substitute for those events themselves in the formation of new associations. 相似文献
82.
Paul W. Holland 《Psychometrika》1981,46(1):79-92
The problem of deciding whether a set of mental test data is consistent with any one of a large class of item response models is considered. The classical assumption of locla independence is weakened to a new condition, local nonnegative dependence (LND). Necessary and sufficient conditions are derived for a LND item response model to fit a set of data. This leads to a condition that a set of data must satisfy if it is to be representable by any item response model that assumes both local independence and monotone item characteristic curves. An example is given to show that LND is strictly weaker than local independence. Thus rejection of LND models implies rejection of all item response models that assume local independence for a given set of data.This research was supported in part by Grant NIE-G-78-0157 to ETS from the NIE, by the Program Statistics Research Project, and by TOEFL Program Research. I would like to thank Dr. Douglas Jones of ETS for stimulating discussions during the early stages of this research, Dr. Frederick Lord of ETS for his encouragement of this work and comments on earlier drafts of this paper and Professor Robert Berk of Rutgers University for pointing out that conditions (a), (b) and (c) of Theorem 2 were also sufficient for LND and Monotonicity. Dr. Donald Alderman of ETS provided financial support for the development of a computer program to apply these results to data from the TOEFL program. 相似文献
83.
84.
Variable-ratio versus variable-interval schedules: response rate, resistance to change, and preference 下载免费PDF全文
Nevin JA Randolph Holland S McLean AP 《Journal of the experimental analysis of behavior》2001,76(1):43-74
Two experiments asked whether resistance to change depended on variable-ratio as opposed to variable-interval contingencies of reinforcement and the different response rates they establish. In Experiment 1, pigeons were trained on multiple random-ratio random-interval schedules with equated reinforcer rates. Baseline response rates were disrupted by intercomponent food, extinction, and prefeeding. Resistance to change relative to baseline was greater in the interval component, and the difference was correlated with the extent to which baseline response rates were higher in the ratio component. In Experiment 2, pigeons were trained on multiple variable-ratio variable-interval schedules in one half of each session and on concurrent chains in the other half in which the terminal links corresponded to the multiple-schedule components. The schedules were varied over six conditions, including two with equated reinforcer rates. In concurrent chains, preference strongly overmatched the ratio of obtained reinforcer rates. In multiple schedules, relative resistance to response-independent food during intercomponent intervals, extinction, and intercomponent food plus extinction depended on the ratio of obtained reinforcer rates but was less sensitive than was preference. When reinforcer rates were similar, both preference and relative resistance were greater for the variable-interval schedule, and the differences were correlated with the extent to which baseline response rates were higher on the variable-ratio schedule, confirming the results of Experiment 1. These results demonstrate that resistance to change and preference depend in part on response rate as well as obtained reinforcer rate, and challenge the independence of resistance to change and preference with respect to response rate proposed by behavioral momentum theory. 相似文献
86.
Lesbian, gay, bisexual, and transgender (LGBT) individuals are at risk of having negative experiences with religion because of mainstream religions’ non‐LGBT‐affirming stance. Negative religious experiences can lead to religious or spiritual (R/S) struggles and loss of R/S identity to maintain sexual identity. The authors describe R/S abuse, R/S struggle, and how these can result in loss of R/S identity in LGBT individuals. They provide a case study and discuss counseling implications and areas for future research. 相似文献
87.
Andrea Fleisch Marcus Sandra E. Echeverria Bart K. Holland Ana F. Abraido-Lanza Marian R. Passannante 《American journal of community psychology》2015,56(1-2):134-144
Social integration is fundamental to health and well‐being. However, few studies have explored how neighborhood contexts pattern types and levels of social integration that individuals experience. We examined how neighborhood poverty structures two dimensions of social integration: integration with neighbors and social integration more generally. Using data from the United States Third National Health and Nutrition Examination Survey, we linked study participants to percent poverty in their neighborhood of residence (N = 16,040). Social integration was assessed using a modified Social Network Index and neighborhood integration based on yearly visits with neighbors. We fit multivariate logistic regression models that accounted for the complex survey design. Living in high poverty neighborhoods was associated with lower social integration but higher visits with neighbors. Neighborhood poverty distinctly patterns social integration, demonstrating that contexts shape the extent and quality of social relationships. 相似文献
88.
Alice Ann Holland Carroll W. Hughes Lana Harder Cheryl Silver Daniel C. Bowers Peter L. Stavinoha 《Child neuropsychology》2016,22(5):570-586
It has been proposed previously that extrinsic motivation may enable survivors of childhood medulloblastoma to significantly improve aspects of neurocognitive performance. In healthy populations, enhanced motivation has been shown to promote academic fluency, a domain likely more relevant to the educational outcomes of pediatric medulloblastoma survivors than academic skill development. The present study investigates the effect of enhanced extrinsic motivation on fluent (i.e., accurate and efficient) academic performance in pediatric medulloblastoma survivors. Participants were 36 children, ages 7–18, who had completed treatment for medulloblastoma. Participants completed a neuropsychological battery that included administration of equivalent tasks on Forms A and B of the Woodcock-Johnson III Tests of Achievement. Half were randomly assigned to an incentive condition prior to the administration of Form B. Provision of a performance-based incentive resulted in statistically significant improvement, but not normalization of function, in performance on measures of academic fluency. No demographic, treatment-related, academic, neuropsychological, or self-perception variables predicted response to incentive. Findings suggest that academic performance of survivors may significantly improve under highly motivating conditions. In addition to implications for educational services, this finding raises the novel possibility that decreased motivation represents an inherent neuropsychological deficit in this population and provides a rationale for further investigation of factors affecting individual differences in motivational processes. Further, by examining effort in a context where effort is not inherently suspect, present findings also significantly contribute to the debate regarding the effects of effort and motivation on neuropsychological performance. 相似文献
89.
Joseph M. Currier Kent D. Drescher Jason M. Holland Ross Lisman David W. Foy 《The International journal for the psychology of religion》2016,26(2):167-179
Combat-related posttraumatic stress disorder (PTSD) can be a debilitating condition that has been linked with problems with forgiveness and impaired quality of life (QOL) in physical, psychological, social, and environmental domains. However, an amassing base of research studies also suggests that spirituality can be a vital resource for veterans exposed to severe traumas. Drawing on multidimensional assessments of spirituality and QOL, this study therefore tested direct/indirect associations between spirituality, forgiveness, and QOL among 678 military veterans with PTSD. When controlling for demographic risk factors, combat exposure, and PTSD symptom severity, structural equation modeling results revealed (a) an overall positive effect for spirituality on QOL and (b) that forgiveness fully mediated this link. These findings align with contemporary models of military trauma and suggest that forgiveness could be a critical pathway for promoting QOL as veterans attempt to recover from their posttraumatic symptomatology in treatment settings. Implications for clinical practice and future research are discussed in the article. 相似文献
90.
Ze’ev Frankel Jason M. Holland Joseph M. Currier 《Journal of Contemporary Psychotherapy》2012,42(2):101-112
Five experienced clinical psychologists were interviewed about their strategies for maintaining boundaries in psychotherapy.
The interviews were subjected to qualitative analysis using grounded theory techniques to develop a preliminary model of boundary
maintenance. The central principle exhibited by the interviewees was maintaining a therapeutic relationship to facilitate
client self care. Overall, the central principle was comprised of three main working strategies: (1) maintaining client boundaries
to ensure a clear focus on client needs; (2) maintaining psychotherapist boundaries to protect effective practice; and (3)
maintaining psychotherapy boundaries to facilitate client reflection, awareness, and assumption of responsibility. Each strategy
included two or three distinct meaning categories, explicated in the paper. Implications for clinical work and future research
are discussed. 相似文献