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101.
Drebing CE Van Ormer EA Krebs C Rosenheck R Rounsaville B Herz L Penk W 《Journal of applied behavior analysis》2005,38(3):359-372
This study evaluated the efficacy of adding contingency management techniques to vocational rehabilitation (VR) to improve treatment outcome as measured by entry into competitive employment. Nineteen dually diagnosed veterans who entered VR in the Veterans' Administration's compensated work therapy (CWT) program were randomly assigned to CWT (n = 8) or to CWT with enhanced incentives (n = 11). Over the first 16 weeks of rehabilitation, those in the incentives condition could earn up to dollar 1,006 in cash for meeting two sets of clinical goals: (a) remaining abstinent from drugs and alcohol and (b) taking steps to obtain and maintain a competitive job. Results indicate that relative to participants in the CWT-only group, those in the incentives condition engaged in more job-search activities, were more likely to remain abstinent from drugs and alcohol, were more likely to obtain competitive employment, and earned an average of 68% more in wages. These results suggest that rehabilitation outcomes may be enhanced by restructuring traditional work-for-pay contingencies to include direct financial rewards for meeting clinical goals. 相似文献
102.
DeCarlo LT 《Perception & psychophysics》2005,67(5):886-896
Bias in magnitude scaling can be viewed as involving deviations of judgments from proportionality. A model of bias is shown to provide a theoretical basis for Stevens's conjecture about geometrically averaging magnitude estimation and magnitude production exponents in order to obtain an estimate of the psychophysical exponent. An overlooked result is that one can also obtain an estimate of the magnitude of the bias. Examples from several well-known studies are presented. The bias is also shown to vary in response to experimental manipulation of the stimulus range. Aspects of predicting exponents across experiments are clarified, and a new prediction is examined. The model of bias fills some theoretical gaps in magnitude scaling and clarifies underlying assumptions and predictions. 相似文献
103.
Brown LJ 《The Psychoanalytic quarterly》2005,74(2):397-420
Following a brief review of Freud's writings on trauma, the author discusses relevant theories of Bion, and in particular the concepts of the alpha function and the beta screen. A clinical example is presented in which the patient's relatively recent trauma in adulthood had become fused with prior related experiences, leading to a propensity for repeated enactments in analysis and a failure to learn from experience. Drawing on the analyst's alpha function, the patient was gradually able to use mentalization to transform her rigidly structured traumatic organization. The author highlights the roles of dreams/dream associations and of screen memories in the patient's analysis. 相似文献
104.
105.
Cozzolino PJ Staples AD Meyers LS Samboceti J 《Personality & social psychology bulletin》2004,30(3):278-292
Research supporting terror management theory has shown that participants facing their death (via mortality salience) exhibit more greed than do control participants. The present research attempts to distinguish mortality salience from other forms of mortality awareness. Specifically, the authors look to reports of near-death experiences and posttraumatic growth which reveal that many people who nearly die come to view seeking wealth and possession as empty and meaningless. Guided by these reports, a manipulation called death reflection was generated. In Study 1, highly extrinsic participants who experienced death reflection exhibited intrinsic behavior. In Study 2, the manipulation was validated, and in Study 3, death reflection and mortality salience manipulations were compared. Results showed that mortality salience led highly extrinsic participants to manifest greed, whereas death reflection again generated intrinsic, unselfish behavior. The construct of value orientation is discussed along with the contrast between death reflection manipulation and mortality salience. 相似文献
106.
107.
According to the perceptual symbols theory (Barsalou, 1999), sensorimotor simulations underlie the representation of concepts.
Simulations are componential in the sense that they vary with the context in which the concept is presented. In the present
study, we investigated whether representations are affected by recent experiences with a concept. Concept names (e.g., APPLE)
were presented twice in a property verification task with a different property on each occasion. The two properties were either
from the same perceptual modality (e.g.,green, shiny) or from different modalities (e.g.,tart, shiny). All stimuli were words. There was a lag of several intervening trials between the first and second presentation. Verification
times and error rates for the second presentation of the concept were higher if the properties were from different modalities
than if they were from the same modality. 相似文献
108.
An application of item response theory analysis to alcohol, cannabis, and cocaine criteria in DSM-IV
Langenbucher JW Labouvie E Martin CS Sanjuan PM Bavly L Kirisci L Chung T 《Journal of abnormal psychology》2004,113(1):72-80
Item response theory (IRT) is supplanting classical test theory as the basis for measures development. This study demonstrated the utility of IRT for evaluating DSM-IV diagnostic criteria. Data on alcohol, cannabis, and cocaine symptoms from 372 adult clinical participants interviewed with the Composite International Diagnostic Interview--Expanded Substance Abuse Module (CIDI-SAM) were analyzed with Mplus (B. Muthen & L. Muthen, 1998) and MULTILOG (D. Thissen, 1991) software. Tolerance and legal problems criteria were dropped because of poor fit with a unidimensional model. Item response curves, test information curves, and testing of variously constrained models suggested that DSM-IV criteria in the CIDI-SAM discriminate between only impaired and less impaired cases and may not be useful to scale case severity. IRT can be used to study the construct validity of DSM-IV diagnoses and to identify diagnostic criteria with poor performance. 相似文献
109.
Assessing the causal structure of function 总被引:3,自引:0,他引:3
Theories typically emphasize affordances or intentions as the primary determinant of an object's perceived function. The HIPE theory assumes that people integrate both into causal models that produce functional attributions. In these models, an object's physical structure and an agent's action specify an affordance jointly, constituting the immediate causes of a perceived function. The object's design history and an agent's goal in using it constitute distant causes. When specified fully, the immediate causes are sufficient for determining the perceived function--distant causes have no effect (the causal proximity principle). When the immediate causes are ambiguous or unknown, distant causes produce inferences about the immediate causes, thereby affecting functional attributions indirectly (the causal updating principle). Seven experiments supported HIPE's predictions. 相似文献
110.
Brancazio L Brancazio L 《Journal of experimental psychology. Human perception and performance》2004,30(3):445-463
Phoneme identification with audiovisually discrepant stimuli is influenced hy information in the visual signal (the McGurk effect). Additionally, lexical status affects identification of auditorily presented phonemes. The present study tested for lexical influences on the McGurk effect. Participants identified phonemes in audiovisually discrepant stimuli in which lexical status of the auditory component and of a visually influenced percept was independently varied. Visually influenced (McGurk) responses were more frequent when they formed a word and when the auditory signal was a nonword (Experiment 1). Lexical effects were larger for slow than for fast responses (Experiment 2), as with auditory speech, and were replicated with stimuli matched on physical properties (Experiment 3). These results are consistent with models in which lexical processing of speech is modality independent. 相似文献