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81.
E.?Paul?WileytoEmail author Janet?Audrain-Mcgovern Leonard?H.?Epstein Caryn?Lerman 《Behavior research methods》2004,36(1):41-51
The monetary choice questionnaire (MCQ) and similar computer tasks ask preference questions in order to ascertain indifference,
the perceived equivalence of immediate versus larger delayed rewards. Indifference data are then fitted with a hyperbolic
function, summarizing the decline in perceived value with delay time. We present a fitting method that estimates the hyperbolic
parameterk directly from survey responses. Binary preferences are modeled as a function of time (X2) and a transformed reward ratio (X
1), yielding logistic regression coefficients β2 and β1. The hyperbolic parameter emerges ask = β2/β1, where the logistic predictedp = .5 (the definition of indifference). The MCQ was administered to 1,073 adolescents and was scored using both standard and
logistic methods. The means for ln(k) were similar (standard, −4.53; logistic, −4.51), and the results were highly correlated (ρ = .973). Simulated MCQ data showed
thatk was unbiased, except where β1 ≥ −1, indicating a vague survey response. Jackknife standard errors provided excellent coverage. 相似文献
82.
Case studies of two veterans contemplating suicide are described. Their suicidal intentions subsided as a result of a rekindling of their Christian faith. Although their Christian beliefs were awakened following their attendance at a motion picture, they both attributed the remission of their suicidal intentions to the practices of their Christian faith in their lives. Despite the favorable outcome, these findings are not generalizable to other cases. 相似文献
83.
McCarthy J Loewenthal L Leonard N Herdsman L Bluestone C Gorman B 《Perceptual and motor skills》2003,97(1):207-214
To investigate the prevalence of thought disorder and the possible appropriateness of the Bizarre-Idiosyncratic Thinking Scale for children and adolescents with severe psychiatric disorders, 96 child and adolescent inpatients and day hospital patients, ages 6 to 18 years, at a state psychiatric hospital were rated by review of retrospective records using Marengo and Harrow's 1986 Evaluation of Bizarre-Idiosyncratic Thinking Scale for the presence of thought disorder in the Thematic Apperception Test and Rorschach Inkblot Test responses. Although the Evaluation of Bizarre-Idiosyncratic Thinking Scale had not been previously used with children and adolescents, the analysis suggested possible indications of thought disorder in several diagnostic groups. No significant differences were found on the Rorschach between patients with Schizophrenia and Psychosis, Not Otherwise Specified and those with Attention Deficit Hyperactivity Disorder, Major Depression, and Conduct Disorder. On the basis of the Thinking Scale ratings, the Thematic Apperception Test responses showed significantly higher ratings of thought disorder for patients with Schizophrenia and Psychosis, Not Otherwise Specified. There was no general relation between thought disorder and age or IQ, but schizophrenic patients, aged 13 and older, had more thought disorder than schizophrenic patients who were younger than 13. 相似文献
84.
Wolraich ML Lambert EW Baumgaertel A Garcia-Tornel S Feurer ID Bickman L Doffing MA 《Journal of abnormal child psychology》2003,31(4):445-455
This study evaluates a measurement model for Attention Deficit/Hyperactivity Disorder (ADHD). The DSM-IV divides 18 symptoms into two groups, inattentive and hyperactive/impulsive. Elementary school teachers rated 21,161 children in 4 locations: Spain, Germany, urban US, and suburban US. Confirmatory factor analysis suggested that the 2-factor model (inattention, hyperactivity/impulsivity) shows the best fit. A third factor, impulsivity, was too slight to stand-alone. Children with academic performance problems were distinguished by inattention, but children with behavior problems typically had elevations in inattention, hyperactivity, and impulsivity. Between-site differences were statistically significant, but so small that we conclude that same measurement model fits all 4 samples in 2 continents. 相似文献
85.
When the reliability of test scores must be estimated by an internal consistency method, partition of the test into just 2 parts may be the only way to maintain content equivalence of the parts. If the parts are classically parallel, the Spearman-Brown formula may be validly used to estimate the reliability of total scores. If the parts differ in their standard deviations but are tau equivalent, Cronbach's alpha is appropriate. However, if the 2 parts are congeneric, that is, they are unequal in functional length or they comprise heterogeneous item types, a less well-known estimate, the Angoff-Feldt coefficient, is appropriate. Guidelines in terms of the ratio of standard deviations are proposed for choosing among Spearman-Brown, alpha, and Angoff-Feldt coefficients. 相似文献
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88.
Leonard Karakowsky Nadia DeGama Kenneth McBey 《Journal of Occupational & Organizational Psychology》2012,85(4):579-599
For many years, the Pygmalion effect has served as a colourful, conceptual reminder of the power of supervisory expectations in enhancing subordinate performance. However, regardless of the myriad of studies that have sought to replicate this effect and identify its parameters, little attention has actually been paid to the processes underlying this phenomenon. Rather, the existing model implies that the subordinate is an ‘always‐willing’, yet somewhat ‘passive’ recipient of Pygmalion‐oriented leader efforts. Our theoretical paper unpacks the role of subordinate perceptions of the leader and considers how it can influence receptiveness to the leader's Pygmalion‐oriented efforts. By revisiting and building upon the original Pygmalion model, we attempt to enrich our understanding of this phenomenon, as well as to offer insight into why not all Pygmalion leader efforts are equally successful. 相似文献
89.
90.
Leonard Berkowitz 《Aggressive behavior》2012,38(4):322-333
The common, everyday understanding of anger is problematic in a number of respects—in its inattention to the prototypic nature of this emotional state; in its failure to recognize the important role often played by the critical event's aversiveness; and in its neglect of the frequently close connection between anger arousal and aggression‐related motor impulses. This article discusses all of these matters from the point of view of my cognitive‐neoassociation perspective [Berkowitz, 1990, 1993, 2010; Berkowitz and Harmon‐Jones, 2004]. The role of automatic, nonconscious reactions is considered, and it is also emphasized that angry feelings are linked to approach motivation—movement toward the perceived source of the anger. The article also briefly summarizes relevant research dealing with the self‐regulation of anger reactions. This broad review hopefully will prompt further inquiries into the arousal, nature, and operation of anger. Aggr. Behav. 38:322‐333, 2012. © 2012 Wiley Periodicals, Inc. 相似文献