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461.
Waller G Babbs M Wright F Potterton C Meyer C Leung N 《Behaviour research and therapy》2003,41(5):619-627
This study investigated the role of somatoform dissociation in eating disorders and pathological eating behaviour, relative to the established association of eating pathology with psychological dissociation. The participants were 131 women with DSM-IV diagnoses of anorexic or bulimic disorders and 75 women who had no such disorder. Each woman completed measures of psychological and somatoform dissociation, as well as a measure of bulimic attitudes. The current presence or absence of specific bulimic behaviours was identified during the clinical interview. Levels of both forms of dissociation were higher in the women who had diagnoses of disorders with a bulimic component (bulimia nervosa; anorexia nervosa of the binge/purge subtype) than in the non-clinical or restrictive anorexic women. Somatoform dissociation showed particularly strong links with the presence of bulimic behavioural features (excessive exercise, laxative abuse, diet pill abuse, diuretic abuse) and with bulimic attitudes. The formulation and treatment of cases where there are bulimic features is likely to be enhanced by the assessment of somatoform dissociation. 相似文献
462.
Despite its theoretical importance for such areas of research as reflection-impulsivity (Kagan, 1966), there is little evidence to support the assumption that individual differences in the personality trait of impulsivity are associated with differences in the willingness to sacrifice accuracy for speed of information processing. The present studies explored this association further. In Experiment 1, high, medium, and low impulsives (identified by self-report) performed a visual-comparison task under conditions differing in the monetary payoff for speed relative to accuracy. High impulsives were consistently faster and less accurate than other subjects. However, an analysis based on Sternberg's (1969) additive-factor method indicated that high impulsives performed at least one stage of information processing as slowly and accurately as other subjects. In Experiment 2, it was found that high impulsives were actually more accurate than low impulsives when all subjects were required to process information extremely rapidly. Experiment 3 identified the response execution stage as one that high impulsives carry out just as slowly and accurately as other individuals. The data from these experiments pose problems for a simple speed-accuracy tradeoff model of impulsive cognitive functioning. 相似文献
463.
464.
Development and validation of the penn state worry questionnaire 总被引:52,自引:0,他引:52
T. J. Meyer M. L. Miller R. L. Metzger Thomas D. Borkovec 《Behaviour research and therapy》1990,28(6):487-495
The present report describes the development of the Penn State Worry Questionnaire to measure the trait of worry. The 16-item instrument emerged from factor analysis of a large number of items and was found to possess high internal consistency and good test-retest reliability. The questionnaire correlates predictably with several psychological measures reasonably related to worry, and does not correlate with other measures more remote to the construct. Responses to the questionnaire are not influenced by social desirability. The measure was found to significantly discriminate college samples (a) who met all, some, or none of the DSM-III-R diagnostic criteria for generalized anxiety disorder and (b) who met criteria for GAD vs posttraumatic stress disorder. Among 34 GAD-diagnosed clinical subjects, the worry questionnaire was found not to correlate with other measures of anxiety or depression, indicating that it is tapping an independent construct with severely anxious individuals, and coping desensitization plus cognitive therapy was found to produce significantly greater reductions in the measure than did a nondirective therapy condition. 相似文献
465.
David E. Meyer David E. Kieras Erick Lauber Eric H. Schumacher Jennifer Glass Eileen Zurbriggen Leon Gmeindl Dana Apfelblat 《Acta psychologica》1995,90(1-3):163-190
A new theoretical framework, the EPIC (Executive-Process/Interactive-Control) architecture, provides the basis for accurate detailed computational models of human multiple-task performance. Contrary to the traditional response-selection bottleneck hypothesis, EPIC's cognitive processor can select responses and do other procedural operations simultaneously for multiple concurrent tasks. Using this capacity together with flexible executive control of peripheral perceptual-motor components, EPIC computational models account well for various patterns of mean reaction times, systematic individual differences in multiple-task performance, and influences of special training on people's task-coordination strategies. These diverse phenomena, and EPIC's success at modeling them, raise strong doubts about the existence of a pervasive immutable response-selection bottleneck in the human information-processing system. The present research therefore helps further characterize the nature of discrete versus continuous information processing. 相似文献
466.
The way people intuitively manage inventories is both an important issue in its own right and a context for research on various basic theoretical questions. The subject has not yet been systematically studied, owing partially to the lack of appropriate research tools. This paper presents some of the key concepts in formal inventory theory and describes an experimental system for the study of intuitive inventory management. This system is a computer program that allows subjects to interact with a simulated inventory system. Numerous system parameters can be manipulated, including demand functions, prices, costs, and the display of data. The usefulness of the system is demonstrated via the study of the effects of three parameters on intuitive inventory management in an illustrative experiment. Possible future uses of the system in basic and applied research and in training are indicated. 相似文献
467.
Glenn E. Meyer 《Behavior research methods》1995,27(2):134-138
Significance tests are not the only step in statistics. Other considerations include effect sizes and adequate sample sizes for a respectable level of statistical power. However, many statistical packages are spotty in their offerings of effect size, complex, and lack a friendly interface. Textbooks may have limited coverage, and calculations entail several formulas and tables. Power & Effect offers a calculator- and formula-based metaphor to compute popular measures of effect size, simple significance tests between effect sizes, combining of effect sizes, simple significance tests based on known statistical values, and sample size determinations based on predicted results or effect size. 相似文献
468.
Barry M. Lester Elaine C. Meyer 《Journal of clinical psychology in medical settings》1994,1(3):217-230
A multidisciplinary training program for psychosocial intervention in the Neonatal Intensive Care Unit (NICU) was developed. The purpose of the program was to train mental health and health care professionals in a psychosocial preventive intervention model for high-risk infants and their families throughout the infants' hospital course in the NICU. The program was divided into modules that include assessment and intervention with the infant, parents, family, and larger caregiving environment. Over a 3-year period 40 trainees from 9 disciplines were trained. A randomized clinical trial was conducted which showed the positive effects of the intervention. A clinical service including inpatient and outpatient follow-up has been established in the NICU based on the psychosocial model developed from the training program. 相似文献
469.
Lexical access in the production of pronouns 总被引:1,自引:0,他引:1
Speakers can use pronouns when their conceptual referents are accessible from the preceding discourse, as in 'The flower is red. It turns blue'. Theories of language production agree that in order to produce a noun semantic, syntactic, and phonological information must be accessed. However, little is known about lexical access to pronouns. In this paper, we propose a model of pronoun access in German. Since the forms of German pronouns depend on the grammatical gender of the nouns they replace, the model claims that speakers must access the syntactic representation of the replaced noun (its lemma) to select a pronoun. In two experiments using the lexical decision during naming paradigm [Levelt, W.J.M., Schriefers, H., Vorberg, D., Meyer, A.S., Pechmann, T., Havinga, J., 1991a. The time course of lexical access in speech production: a study of picture naming. Psychological Review 98, 122-142], we investigated whether lemma access automatically entails the activation of the corresponding word form or whether a word form is only activated when the noun itself is produced, but not when it is replaced by a pronoun. Experiment 1 showed that during pronoun production the phonological form of the replaced noun is activated. Experiment 2 demonstrated that this phonological activation was not a residual of the use of the noun in the preceding sentence. Thus, when a pronoun is produced, the lemma and the phonological form of the replaced noun become reactivated. 相似文献
470.
Meyer GJ 《Journal of personality assessment》1999,72(1):1-35
Past research indicated the convergence of Rorschach and MMPI scales may be a function of (a) simple Rorschach response frequency (R) or (b) complex response-character styles on both methods. In this study, new criteria were developed for defining the second assumption using F and K from the MMPI and R and Lambda from the Rorschach. Although substantially different from the factor criteria used previously (KS = .45 and .30), the new criteria still produced the expected pattern of correlations among MMPI and Rorschach scales. Averaged across 17 constructs, the new criteria produced strong validity coefficients for patients with similar styles (M composite r = .50), though they were less effective for patients with discordant styles (M composite r = -.27). It was also demonstrated that R by itself does not moderate convergent validity. Rather, statistical modeling with two sets of 300 random samples (a) demonstrated the prior findings related to R were the result of sampling error and (b) supported the general hypothesis that Rorschach and MMPI scales correlate to the extent response-character styles correlate. Implications are considered. 相似文献