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101.
Repetition priming and recognition memory for numbers were measured in four experiments using single-digit addition. Results of the first two experiments indicate that when numbers were presented as number words and dot configurations, preexposure of the same problem in the same notation produced greater reaction-time benefit than did preexposure of the same problem in Arabic-digit notation. In contrast, when numbers were presented as Arabic digits, preexposure of the same problem in Arabic digit, number word, and dot notation produced the same amount of priming. In the third experiment, priming was shown to be greatest, for all three notations, when the task performed on preexposure trials (addition or multiplication) matched the task performed on repetition trials (addition). Results of the fourth experiment, measuring recognition memory, were comparable to the priming results in the sense that memory was superior when notation matched across repetitions if the test involved number words and dot configurations but not Arabic digits. These data are interpreted in terms of models of numerical cognition, and they support the hypothesis that the influence of surface form on repetition priming depends on the typicality of the input for the task. 相似文献
102.
Three experiments on the role of verbal labels and perceptual cues in concept attainment are reported. Ss were kindergarten and second-grade upper-middle-class children. The results indicated that when Ss learned to associate two labels (or two perceptual cues) with each stimulus no positive transfer resulted, despite the fact that one of the labels (or cues) was relevant to solution. When one label only (or one perceptual cue) was associated with each stimulus, substantial positive transfer was observed. The effects of verbal labeling and perceptual cuing were identical.On the basis of these finding the authors reject the hypothesis that labels give rise to representational responses which act as mediators, and instead propose a new hypothesis, that labels and perceptual cues facilitate performance because they facilitate the division of the stimulus set into subsets which are correlated with the response systems the subjects are expected to learn. 相似文献
103.
Maternal feeding attitudes, maternal moods and infant feeding practices during the first 6 months postpartum were assessed in 226 healthy, well-nourished Barbadian mother-infant dyads. Factor analysis of the feeding attitudes questionnaire resulted in six independent factors. The belief that breastfeeding was better than bottle-feeding was associated with higher family income, more information seeking behavior and older maternal age at the time of her first pregnancy. Women who believed that breastfeeding was better at 7 weeks postpartum were also more likely to breastfeed at concurrent and later ages, up to 6 months postpartum. This belief was also associated with less maternal depression at 7 weeks and 6 months. The association between feeding attitudes and actual feeding practices was significant even after correcting for maternal moods and other background variables. Conversely, after controlling for feeding attitudes, maternal mood at 7 weeks was still significantly associated with infant feeding practices at 6 months. Thus, feeding attitudes and maternal moods were closely linked, but each contributed independently and uniquely to different aspects of breastfeeding, especially at 6 months. These findings suggest that early intervention addressing maternal feeding attitudes, may improve the extent of breastfeeding and the health of children in this setting. 相似文献
104.
Schensul JJ Robison J Reyes C Radda K Gaztambide S Disch W 《American journal of community psychology》2006,38(1-2):79-93
Community-based research often brings investigators from different disciplinary backgrounds together with community representatives to conduct research on topics of mutual concern. This paper describes a case example that illustrates an interdisciplinary/intersectoral study of depression and barriers to mental health care among older adults and illustrate the factors central to implementing a successful research partnership. It will address the following conditions that facilitate and challenge interdisciplinary/intersectoral research: (1) achieving commonality of purpose in study design and research and referral approaches; (2) ensuring the ability to develop, field-test and implement psychometrically rigorous and culturally and qualitatively appropriate instruments; (3) building effective management structures for interdisciplinary/intersectoral research partnerships; and (4) identifying, training and supporting qualified researchers to carry out a mental health study with older ethnically diverse adults. The paper concludes with strengths and limitations of the approach. 相似文献
105.
The authors examined the relationships between 2 modes of national identification (attachment to the in-group and the in-group's glorification) and reactions to the in-group's moral violations among Israeli students. Data were collected during a period of relative calm in the Israeli-Palestinian conflict as well as during a period of great intensification of this conflict. As expected, in Study 1, the 2 modes of identification had contrasting relationships with group-based guilt: Attachment was positively related whereas glorification was negatively related to group-based guilt for in-group's past infractions. Glorification suppressed the attachment effect but not vice versa. Both relationships were mediated by the use of exonerating cognitions. In Study 2, group-based guilt for the in-group's current wrongdoings was increased by priming critical rather than conventional attachment to the in-group, suggesting a causal effect of mode of identification on the experience of negative group-based emotions. 相似文献
106.
107.
Suter SM 《Kennedy Institute of Ethics journal》1998,8(2):161-163
Common wisdom in genetic counseling, which is supported by Biesecker, holds that counselors should strive not to influence their clients' decision making. Such a presumption of nondirectiveness is challenged in this commentary. 相似文献
108.
Terry A. Cronan Sonia G. Cruz Rosa I. Arriaga Andrew J. Sarkin 《American journal of community psychology》1996,24(2):251-272
Effects of a community-based literacy program on 1−, 2−, and 3-year-old children's language and conceptual development were
assessed. University students were trained to teach Head Start parents effective methods for reading to their children. Families
were randomly assigned to receive 18, 3, or 0 instructional visits. Results indicated that parents in the 18-instructional-visit
program increased their participation in appropriate literacy behaviors such as reading to their children, teaching concepts
to their children, and using the library, more than parents in the 0-instructional-visit groups. Children in the 18-instructional-visit
program showed greater gains in language and conceptual development than children in the 0-instructional-visit group. Few
differences were found between children in the 3-visti and 0-instructional-visit groups. Thus, only a high-intensity community-based
intervention designed to train parents was effective in increasing emergent literacy in low-income ethnic children.
Supported by Commission on National and Community Service grant 92HELOCA0039, the Dr. Seuss Foundation, Head Start, and the
College of Sciences at San Diego State University. The authors gratefully acknowledge William A. Hillix, Leah K. Gensheimer,
and Larry Fenson for their helpful reviews of drafts of this article, Florence Goldman for her training of tutors in techniques
for developing emergent literacy, and the many students who assisted in the implementation and evaluation of this project. 相似文献
109.
Sonia Sedivy 《国际科学哲学研究》1996,10(2):103-125
This paper proposes that pictures are functional objects which figure in norm‐governed practices of usage yet whose specific function is to present the world as it looks to acculturated perceivers. Pictorial content presents the way the world looks to a subject's acculturated perceptual grasp. Hence, pictorial content needs to be explained in terms of a theory of perceptual content, but a novel theory which departs from the two‐stage sensation‐based approach to perception and the polarization between naturalism and conventionalism that it engenders. Following a diagnosis of this polarization, I invoke a novel theory of perception that explains perceptual content as conceptually articulated and determinate in character. I show that (1) pictures present content of the same distinctive determinate type as perceptual content; and that (2) pictures do so by invoking perceptual experience and perceptual processes that are of the same kind as those invoked by actual scenes. This perceptualist approach considers and explains the role of norms as well as of the nature of our visual processes, allowing us to allocate the insights of both conventionalism and naturalism to their proper theoretical roles. 相似文献
110.
Sonia Acosta 《Behavioral Interventions》1990,5(3):189-206
This paper reviews the literature in which behavioral interventions were applied in an attempt to reduce hallucinatory and delusional verbalizations in psychiatric patients. Subject characteristics, dependent variables and treatment variations, as well as generalization of effects, are considered. It is concluded that even though operant procedures, such as extinction, aversive stimulation, and token reinforcement, have been successful in decreasing hallucinatory-delusional verbalizations, further research examining generalization is needed. Methodological issues influencing interpretation are discussed and suggestions for further research are offered. 相似文献