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791.
Optional processes in similarity judgments 总被引:1,自引:0,他引:1
Robert D. Melara Lawrence E. Marks Kathryn E. Lesko 《Attention, perception & psychophysics》1992,51(2):123-133
This research investigates the nature of similarity relations among three pairs of interacting dimensions: (1) the integral dimensions of auditory pitch and loudness, (2) the configurai dimensions of paired parentheses, and (3) the cross-modally corresponding dimensions of visual position and auditory pitch. We evaluated the rules by which information from each dimension combines in similarity judgments. Our claim is that, when judging similarity, processes that are obligatory, or what we call mandatory processes, can commingle with processes of choice, or what we call optional processes. By varying instructions, we found strong evidence of optional processing. Instructions to rate overall similarity encouraged subjects to attend to stimuli as wholes and led to a Euclidean rule in similarity scaling. Instructions to focus on dimensions encouraged subjects to consider each stimulus dimension separately and led to a city-block rule. We argue that optional processes may obscure mandatory ones, and so need to be identifled-beforernandatory processes can be understood. 相似文献
792.
Tip-of-the-tongue states may represent the momentary unavailability of an otherwise accessible word or the weak activation of an otherwise inaccessible word. In three experiments designed to address these alternative views, subjects attempted to retrieve rare target words from their definitions. The definitions were followed by cues that were related to the targets in sound, by cues that were related in meaning, and by cues that were not related to the targets. Experiment 1 found that compared with unrelated cues, related cue words that were presented immediately after target definitions helped rather than hindered lexical retrieval, and that sound cues were more effective retrieval aids than meaning cues. Experiment 2 replicated these results when cues were presented after an initial target-retrieval attempt. These findings reverse a previous one (Jones, 1989) that was reproduced in Experiment 3 and shown to stem from a small group of unusually difficult target definitions. 相似文献
793.
Tena L. St. Pierre D. Lynne Kaltreider Melvin M. Mark Kathryn J. Aikin 《American journal of community psychology》1992,20(6):673-706
Tested the effectiveness of a youth drug prevention program in a community setting. Boys & Girls Clubs of America's Stay SMART program, adapted from a school-based personal and social competence drug prevention program, was offered, with and without a 2-year booster program, to 13-year-old members of Boys & Girls Clubs. Over 27 months, (a) 5 Boys & Girls Clubs offered the Stay SMART program, (b) 5 Boys & Girls Clubs offered the Stay SMART program with the booster programs, and (c) 4 Boys & Girls Clubs served as a control group. The Stay SMART program alone and the Stay SMART program with the booster programs showed effects for marijuana-related behavior, cigarette-related behavior, alcohol-related behavior, overall drug-related behavior, and knowledge concerning drug use. The Stay SMART program with the booster programs produced additional effects for alcohol attitudes and marijuana attitudes after each year of booster programs. Results suggest that a school-based personal and social competence program can be adapted effectively to a community setting and that booster programs might enhance program effects. Implications for alternative community models of prevention are discussed.
At the time of the study, the parent organization was Boys Clubs of America.This research was supported by a grant from the Office for Substance Abuse Prevention, ADAMHA, Public Health Service, Department of Health and Human Services, Grant No. 1 H84 AD 00903-01. 相似文献
794.
A battery of linguistic communication (L-C) tasks was administered to 152 Alzheimer's disease patients in different stages of the disease and 60 normal elders. Subject performance data are used to construct a profile of L-C deficits by disease stage, as determined by ratings on the Global Deterioration Scale. Specification also is made of the L-C tasks on which mild Alzheimer's patients perform like normal elders, the relative difficulty of various L-C processes, the disease stage in which the greatest change occurs in L-C functions, and the degree of variation in L-C for individuals at a particular level of dementia severity. 相似文献
795.
Affective/mood disturbances have been widely described in association with central nervous system dysfunction. There have been multiple divergent viewpoints regarding the origin of these disorders, however. This is not surprising, as theories evolve in relation to our degree of technological advancement. This review describes the evolution of some of these views, and discusses the advantages of behavioral neuropsychology as an effective approach to assessment/treatment in this context. Although there have been few articles published describing the use of behaviorally based approaches to treat these disorders, it is thought that this approach shows promise, particularly when combined with information based on neuropsychological assessment data. Future directions for the continued evolution of this field are outlined. 相似文献
796.
Cole Barton Chris Hatcher Karen Schurig Paul Marciano Kathryn Wilcox Loren Brooks 《Behavior research methods》1991,23(2):214-218
A hardware and software system for the cost-effective preparation of interview data is described. Scantron optical scanning hardware and DataBlocks software were used to prepare ASCII data files from structured interviews and questionnaires. These data were then edited for analysis with SPSS-X Data Entry software. Three different processes for preparing interview data were compared. Time, personnel, hardware, and software costs were projected for each process, as well as comparative risks to the integrity of data. A scanning procedure saves time and money, and it reduces the risk of errors. 相似文献
797.
Kathryn Kelley 《Journal of research in personality》1985,19(4):472-483
After viewing an aggressive, sexually aggressive, erotic heterosexual, or control film, 129 females and 135 males expressed their willingness to help and hostility toward the male or female experimenter. Males extended the least help to the experimenter following the aggressive film and expressed more positive affect than females. Erotophilic males expressed slightly less hostility toward a female than a male experimenter. Erotophiles expressed more positive attitudes toward women and toward men after viewing either the rape film shown by a male experimenter or the erotic film shown by a female experimenter, compared to erotophobes. Among erotophobes, these two experimental conditions generally produced the most negative effects on general attitudes about the sexes. Affective responses to sex variations in dominant status and to aggressivity were employed to provide explanations for these results. 相似文献
798.
799.
800.
Research on leadership behavior in therapy groups emphasizes the need for precise theories and clinically meaningful instruments to study leadership variables. This paper reviews the development of the Group Leader Behavior Instrument (GLBI) and investigates its relationship to an earlier measure, the Group Leadership Questionnaire (GTQ-C). Both instruments were completed by 40 practicing group therapists. Analyses confirm a moderate degree of similarity between the leadership profiles obtained from the GLBI and GTQ-C. Differences due to the construction of the two scales are also examined. The authors conclude with a discussion of the potential uses of the GLBI to assess leadership behaviors in ongoing groups, to train group therapists, and to further progress in process and outcome research on group leadership.The authors thank Dr. Mary Fox, Director of the Group Therapy Program, Department of Psychiatry, University of Rochester, for her continued support in this work. 相似文献