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131.
Frank?DumontEmail author Marilyn?Fitzpatrick 《Journal of Contemporary Psychotherapy》2005,35(1):67-81
Three fault lines traverse inquiries into empirically supported therapies, along which pro and contra positions can be taken. First, failure to distinguish scientific from artistic properties of therapy has lead to neglect of pervasive personological and cultural variables that are implicated in this field of inquiry. Second, scientific anomalies result from focusing more on what ESTs are than on how they effect change. Psyche is portrayed as a humanistic Cartesian place-holder for an encroaching neuro-endocrinological and systemic understanding of human experiencing. Third, the EST movement is seen as a socio-political and business model, confounded with and eroding scientific objectives. 相似文献
132.
Henry DB Cartland J Ruchross H Monahan K 《American journal of community psychology》2004,33(3-4):131-149
This study tested a classroom-level measure of norms based on J. Jackson's (1966) Return Potential Model. "Return potential" refers to the probability of approval of aggression in a given setting or group, and the return potential model allows quantification of different aspects of a setting's norms. Return potential measures were computed for unprovoked and provoked aggression. A pilot sample of 236 students in 11 classrooms and a main sample of 3,304 students in 158 classrooms completed this measure and a self-report measure of aggression. Results from hierarchical linear models showed that all measures of classroom return potential for aggression were significantly clustered by classrooms. Four return potential measures had main effects on aggression, and four measures showed variation in effects by grade or urban residence. Differences in clustering and effects by grade suggested age differences in the importance of different normative characteristics. 相似文献
133.
Erik Gustafsson 《创造性行为杂志》2023,57(1):96-108
More and more research is showing how different environments can lead to greater or lower creative skills. The purpose of this concept paper is to introduce a novel application of the optimal-level of arousal model that could address inconsistencies present in the literature. After introducing possible definitions of creativity, I discuss the optimal-level of arousal theory and how considering the “arousal” and “mood changing” potentials of contexts could enlighten findings related to inter-individual differences, domain-specificities, developmental aspects, and gender differences. Among other things, this model will clarify the factors influencing motivation to display creative skills which could improve the external validity of creativity studies. Examples of the kinds of hypotheses that can be tested by applying this model in future creative studies will also be proposed. 相似文献
134.
H. T. Kiiveri 《Psychometrika》1987,52(4):539-554
In this paper, linear structural equation models with latent variables are considered. It is shown how many common models arise from incomplete observation of a relatively simple system. Subclasses of models with conditional independence interpretations are also discussed. Using an incomplete data point of view, the relationships between the incomplete and complete data likelihoods, assuming normality, are highlighted. For computing maximum likelihood estimates, the EM algorithm and alternatives are surveyed. For the alternative algorithms, simplified expressions for computing function values and derivatives are given. Likelihood ratio tests based on complete and incomplete data are related, and an example on using their relationship to improve the fit of a model is given.This research forms part of the author's doctoral thesis and was supported by a Commonwealth Postgraduate Research Award. The author also wishes to acknowledge the support of CSIRO during the preparation of this paper and the referees' comments which led to substantial improvements. 相似文献
135.
136.
Margo G. H. Jansen 《Psychometrika》1997,62(3):393-409
In educational and psychological measurement we find the distinction between speed and power tests. Although most tests are partially speeded, the speed element is usually neglected. Here we consider a latent trait model developed by Rasch for the response time on a (set of) pure speed test(s), which is based on the assumption that the test response times are approximately gamma distributed, with known shape parameters and scale parameters depending on subject ability and test difficulty parameters. In our approach the subject parameters are treated as random variables having a common gamma distribution. From this, maximum marginal likelihood estimators are derived for the test difficulties and the parameters of the latent subject distribution. This basic model can be extended in a number of ways. Explanatory variables for the latent subject parameters and for the test parameters can be incorporated in the model. Our methods are illustrated by the analysis of a simulated and an empirical data set. 相似文献
137.
Kjell Härnqvist 《Scandinavian journal of psychology》1997,38(1):55-62
Scores in ability tests administered to students in grades 4–9 were simultaneously factor-analyzed within twelve gender by grade groups. Gender and grade differences in means and variances were studied for five latent ability factors according to a hierarchical model and compared with means and variances in the observed scores.
Girls had higher means than boys in a general ability factor (G), in a residual general speed factor (Gs') and in a residual factor of numerical facility (N'). Boys were higher in a residual vocabulary factor (V') and most of all in a residual spatial visualization factor (Vz'). Boys had larger variances than girls in N' and Gs'. In general the differences in means and variances were in the same direction for the closest corresponding observed scores, but some striking discrepancies between latent and observed scores were found. As a rule, the discrepancies were due to the complexity of the tests where one factor could compensate for another.
In the discussion it was pointed out that some of the differences found were likely to have changed between the testing in the late 1950s and the present. Nevertheless the demonstration of the divergence between analyses of latent vs. observed scores remains valid. 相似文献
Girls had higher means than boys in a general ability factor (G), in a residual general speed factor (Gs') and in a residual factor of numerical facility (N'). Boys were higher in a residual vocabulary factor (V') and most of all in a residual spatial visualization factor (Vz'). Boys had larger variances than girls in N' and Gs'. In general the differences in means and variances were in the same direction for the closest corresponding observed scores, but some striking discrepancies between latent and observed scores were found. As a rule, the discrepancies were due to the complexity of the tests where one factor could compensate for another.
In the discussion it was pointed out that some of the differences found were likely to have changed between the testing in the late 1950s and the present. Nevertheless the demonstration of the divergence between analyses of latent vs. observed scores remains valid. 相似文献
138.
William O'Donohue Jeff Szymanski 《Journal of Rational-Emotive & Cognitive-Behavior Therapy》1993,11(4):207-222
The effectiveness of two hypothesized change mechanisms in cognitive therapy was investigated: logical analysis and empirical hypothesis testing. Thirty-eight spider phobics, as determined by performance on a behavioral avoidance test, were randomly assigned to either one of these two conditions or to a no-treatment control condition. Subjects participated in three group sessions. Outcome phobia questionnaire data suggested that both mechanisms produced desirable changes in a short period of time, with stronger evidence that logical analysis was superior to the control. Outcome from the behavior avoidance test and self-efficacy ratings failed to reach statistical significance but the trends were in the direction of positive change. Results are discussed in terms of the tripartite response dessynchrony hypothesis. Suggestions for future process research in cognitive therapy are provided.William O'Donohue, Ph.D., is an assistant professor of psychology at Northern Illinois University.Jeff Szymanski is a graduate student in clinical psychology at Northern Illinois University.The authors would like to thank Christine Casselles, Melissa McKelvie, Thomas M. Brown, Jill C. Rudman, Bonnie Schrieber, Amy Ray, Anne Valle, Lisa Herold, Jacqueline Ryan, Heather Barta, and Angela Leek for their assistance in this project. Moreover, the authors are grateful to Sol Feldman and Jane Fisher for their comments on an earlier version of this paper. 相似文献
139.
A simple Gauss-Newton procedure for covariance structure analysis with high-level computer languages
An implementation of the Gauss-Newton algorithm for the analysis of covariance structures that is specifically adapted for high-level computer languages is reviewed. With this procedure one need only describe the structural form of the population covariance matrix, and provide a sample covariance matrix and initial values for the parameters. The gradient and approximate Hessian, which vary from model to model, are computed numerically. Using this approach, the entire method can be operationalized in a comparatively small program. A large class of models can be estimated, including many that utilize functional relationships among the parameters that are not possible in most available computer programs. Some examples are provided to illustrate how the algorithm can be used.We are grateful to M. W. Browne and S. H. C. du Toit for many invaluable discussions about these computing ideas. Thanks also to Scott Chaiken for providing the data in the first example. They were collected as part of the U.S. Air Force's Learning Ability Measurement Project (LAMP), sponsored by the Air Force Office of Scientific Research (AFOSR) and the Human Resource Directorate of the Armstrong Laboratory (AL/HRM). 相似文献
140.
Hill M. Walker Ph.D. Steve Stieber Ph.D. Elizabeth Ramsey Ph.D. Robert O'Neill Ph.D. 《Journal of child and family studies》1993,2(4):295-315
This study investigated the efficacy of three different regression models in predicting arrest rate over the fifth to seventh grade range for a sample of antisocial and at risk control middle school boys (N=76). These boys were selected from a larger sample of approximately 200 boys and their families for inclusion in a long term longitudinal study beginning in the fourth grade. Subjects in the present study were identified when they were in the fifth grade and school measures of adjustment were recorded annually for them on two occasions (fall, spring) through the ninth grade. Predictors were derived from the following variables: (a) teacher ratings of social skills; (b) direct observations of academic engagement in classroom settings; (c) direct observations of the playground social behavior of target subjects and peers; and (d) discipline contacts with the principal's office as extracted from archival school records. These predictor variables appeared to assess respectively teacher related and peer related forms of school adjustment. The regression models investigated yielded R-Squares of approximately 30 between arrest rate and two to three predictor variables in each analysis. However, following the deletion of two subject cases that represented extreme instances of underprediction (i.e., subjects who were arrested [i.e., seven arrests each] but whose fifth grade behavioral profiles suggested they would not be), the obtained R-Squares increased to approximately .55. Implications of the findings for the early screening and identification of at risk students are discussed. 相似文献