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61.
Thompson MP Kaslow NJ Kingree JB Rashid A Puett R Jacobs D Matthews A 《American journal of community psychology》2000,28(1):127-143
This study examined the role of social support in the partner violence–psychological distress relation in a sample of African American women seeking medical care at a large, urban hospital (n = 138). Results from bivariate correlational analyses revealed that partner violence was related to lower perceived social support and greater psychological distress, and lower social support was related to more distress. Furthermore, findings based on path analysis indicated that low levels of social support helped account for battered women's increased distress. Findings point to the need for service providers to screen for partner violence in nontraditional sites, such as hospital emergency rooms, and to address the role of social support resources in preventive interventions with African American battered women. 相似文献
62.
The measurement of “switch costs” is held to be of interest because, as is widely believed, they may reflect the control
processes that are engaged when subjects switch between two (or more) competing tasks. [In task-switching experiments, the
reaction time (RT) switch cost is typically measured as the difference in RT between switch and non-switch (repeat) trials.]
In this report we focus on the RT switch costs that remain even after the subject has had some time to prepare for the shift
of task, when the switch cost may be approximately asymptotic (so-called residual switch costs). Three experiments are presented.
All three experiments used Stroop colour/word, and neutral stimuli. Participants performed the two tasks of word-reading and
colour-naming in a regular, double alternation, using the “alternating runs” paradigm (R. D. Rogers & S. Monsell, 1995). The
experiments were designed to test the hypothesis that RT switch costs depend on a form of proactive interference (PI) arising
from the performance of a prior, competing task. A. Allport, E. A. Styles and S. Hsieh (1994) suggested that these PI effects
resulted from “task-set inertia”, that is, the persisting activation-suppression of competing task-sets, or competing task-processing
pathways. The results confirmed the existence of long-lasting PI from the competing task as a major contributor to switch
costs. Non-switch trials, used as the baseline in the measurement of switch costs, were also shown to be strongly affected
by similar PI effects. However, task-set inertia was not sufficient to account for these results. The results appeared inconsistent
also with all other previous models of task switching. A new hypothesis to explain these between-task interference effects
was developed, based on the stimulus-triggered retrieval of competing stimulus-response (S-R) associations, acquired (or strengthened)
in earlier trials. Consistent with this retrieval hypothesis, switch costs were shown to depend primarily on the S-R characteristics
of the preceding task (the task that was switched from) rather than the upcoming task. Further, the effects of the other,
competing task were found to persist over many successive switching trials, affecting switch costs long after the stimulus
overlap (and hence the principal S-R competition) between the current tasks had been removed. Switch costs were also found
to be affected by recent, item-specific experience with a given stimulus, in either the same or the competing task. Finally,
the results showed that switch costs were massively affected by the ratio of the number of prior trials, in response to the
same stimuli, that had implemented either the currently intended or the competing S-R mappings. None of these effects are
predicted by current models of residual switch costs, which appeal to the differences in control processes assumed to be engaged
in switch versus non-switch trials.
Received: 31 March 1999 / Accepted: 23 July 1999 相似文献
63.
Pastoral Psychology - 相似文献
64.
Two experiments examined whether postsample signals of reinforcer probability or magnitude affected the accuracy of delayed matching to sample in pigeons. On each trial, red or green choice responses that matched red or green stimuli seen shortly before a variable retention interval were reinforced with wheat access. In Experiment 1, the reinforcer probability was either 0.2 or 1.0 for both red and green responses. Reinforcer probability was signaled by line or cross symbols that appeared after the sample had been presented. In Experiment 2, all correct responses were reinforced, and the signaled reinforcer durations were 1.0 s and 4.5 s. Matching was more accurate when larger or more probable reinforcers were signaled, independently of retention interval duration. Because signals were presented postsample, the effects were not the result of differential attention to the sample. 相似文献
65.
Phonological theories have raised the notion of a universally preferred syllable type which is defined in terms of its sonority structure (e.g., ). Empirical evidence for this notion has been provided by distributional analyses of natural languages and of language acquisition data, and by aphasic speech error analyses. The present study investigates frequency distributions of syllable types in German, which allows for a rather complex syllable structure, and in neologistic utterances of a German speaking jargon aphasic. The findings suggest that the sonority structure of the patient's neologisms is generally in accordance with the notion of theoretically preferred syllables. Moreover, comparative analyses suggest that the predominance of the preferred syllable type is especially pronounced in the aphasic data. On the basis of these findings, the influence of sonority in impaired phonological lexical processing is discussed. 相似文献
66.
The Toulmin diagram layout is very familiar and widely used, particularly in the teaching of critical thinking skills. The
conventional box-and-arrow diagram is equally familiar and widespread. Translation between the two throws up a number of interesting
challenges. Some of these challenges (such as the relationship between Toulmin warrants and their counterparts in traditional
diagrams) represent slightly different ways of looking at old and deep theoretical questions. Others (such as how to allow
Toulmin diagrams to be recursive) are diagrammatic versions of questions that have already been addressed in artificial intelligence
models of argument. But there are further questions (such as the relationships between refutations, rebuttals and undercutters,
and the roles of multiple warrants) that are posed as a specific result of examining the diagram inter-translation problem.
These three classes of problems are discussed. To the first class are addressed solutions based on engineering pragmatism;
to the second class, are addressed solutions drawn from the appropriate literature; and to the third class, fuller exploration
is offered justifying the approaches taken in developing solutions that offer both pragmatic utility and theoretical interest.
Finally, these solutions are explored briefly in the context of the Araucaria system, showing the ways in which analysts can tackle arguments either using one diagrammatic style or another, or even a
combination of the two. 相似文献
67.
Steven?C.?Clark Adam?M.?Dover Glenn?GeherEmail author Paul?K.?Presson 《Current psychology (New Brunswick, N.J.)》2005,24(3):180-202
For 19 mating-relevant traits, single males (N= 53) and single females (N= 86) rated (a) themselves relative to their same-sex peers, (b) their perceptions of the qualities desired by members of
the opposite sex in an ideal partner, and (c) the qualities desired in their own ideal romantic partner. Several themes emerged
from the data. First, males’ and females’ judgments of what members of the opposite-sex seek were generally accurate. Second,
males and females both feel that they fall short of perceived opposite-sex expectations in a few areas. Third, both males
and females desire an ideal partner better than themselves, but this is especially true for females. These findings are discussed
in terms of evolutionary social psychological principles. 相似文献
68.
69.
70.
Music lessons enhance IQ 总被引:1,自引:0,他引:1
Schellenberg EG 《Psychological science》2004,15(8):511-514
The idea that music makes you smarter has received considerable attention from scholars and the media. The present report is the first to test this hypothesis directly with random assignment of a large sample of children (N = 144) to two different types of music lessons (keyboard or voice) or to control groups that received drama lessons or no lessons. IQ was measured before and after the lessons. Compared with children in the control groups, children in the music groups exhibited greater increases in full-scale IQ. The effect was relatively small, but it generalized across IQ subtests, index scores, and a standardized measure of academic achievement. Unexpectedly, children in the drama group exhibited substantial pre- to post-test improvements in adaptive social behavior that were not evident in the music groups. 相似文献