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排序方式: 共有190条查询结果,搜索用时 31 毫秒
71.
DO INFANTS SHOW GENERALIZED IMITATION OF GESTURES? II. THE EFFECTS OF SKILLS TRAINING AND MULTIPLE EXEMPLAR MATCHING TRAINING
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Mihela Erjavec Victoria E. Lovett Pauline J. Horne 《Journal of the experimental analysis of behavior》2009,91(3):355-376
The determinants of generalized imitation of manual gestures were investigated in 1‐ to 2‐year‐old infants. Eleven infants were first trained eight baseline matching relations; then, four novel gestures that the infants did not match in probe trials were selected as target behaviors. Next, in a generalized imitation test in which matching responses to baseline models were intermittently reinforced, but matching responses to target models were not eligible for reinforcement, the infants matched baseline models but not the majority of their target behaviors. To ensure their failure to match the target behaviors was not due to motor constraints, the infants were trained, in a multiple‐baseline procedure, to produce the target responses under stimulus control that did not include an antecedent model of the target behavior. There was no evidence of generalized imitation in subsequent tests. When the infants were next trained to match each target behavior to criterion (tested in extinction) in a multiple‐baseline‐across‐behaviors procedure, only 2 infants continued to match all their targets in subsequent tests; the remaining infants matched only some of them. Seven infants were next given mixed matching training with the target behaviors to criterion (tested in extinction); they subsequently matched these targets without reinforcement when interspersed with trials on which matching responses to baseline models were intermittently reinforced. In repeat tests, administered at 3‐week intervals, these 7 children (and 2 that did not take part in mixed matching training) continued to match most of their target behaviors. The results support a trained matching account, but provide no evidence of generalized imitation, in 1‐ to 2‐year‐old infants. 相似文献
72.
Catherine Calvin Cres Fernandes Pauline Smith Peter M. Visscher Ian J. Deary 《Intelligence》2009,37(3):243-248
ObjectiveTo investigate whether twins still perform below singletons in cognitive ability tests and in national educational attainment examinations in a recent UK cohort of 11-year-olds.DesignPopulation-based cohort study, using a validated method of twin extraction.SettingEnglish state schools.Participants178,599 pupils (mean age 11 years) attending English state schools in 2004, representing 93% of local educational authorities.Main outcome measuresVerbal, quantitative and nonverbal reasoning measured by the Cognitive Abilities Test — Third Edition (CAT3), and educational attainment in English, maths and science from Key Stage 2 national curriculum tests.ResultsTwin-singleton differences in cognitive ability were of negligible effect size. Mean performance of twins was 1% of a SD below singletons on general cognitive ability, 3% lower on verbal reasoning, and less than 1% of a SD lower on quantitative and nonverbal reasoning, with and without adjustment for sex. Almost identical proportions of twins and singletons attained the expected standards of educational performance in English (80.4% versus 80.5%, respectively), maths (77.4% versus 77.3%), and science (90.1% versus 88.8%). There were no differences in rates of twins and singletons achieving higher or lower performance levels.ConclusionThe cognitive cost of being a twin reported in previous cohorts of UK children no longer exists in a large, contemporary and population-representative sample. 相似文献
73.
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75.
Martha R. Herbert David A. Ziegler Nikos Makris Anna Bakardjiev James Hodgson Kristen T. Adrien David N. Kennedy Pauline A. Filipek Verne S. Caviness Jr. 《Developmental science》2003,6(4):F11-F22
Developmental language disorder (DLD) is predominantly a language disorder, but children with DLD also manifest non-language impairments, and neuroanatomical abnormalities have been found in multiple areas of the brain, not all language-associated. We therefore performed a whole brain general segmentation analysis of all major brain regions on MRI scans of 24 DLD subjects (16M, 8F) and 30 controls (15M, 15F), ages 5.7 to 11.3 years. Children with DLD showed increased total brain volume, driven predominantly by a substantial increase in the volume of cerebral white matter. Cerebral cortex and caudate were relatively but not absolutely smaller in DLD. These findings are discussed in relation to issues of specificity vs. generality as they arise in debates about (1) modular vs. general processing deficits and connectionist modeling in DLD, (2) language-specific vs. pervasive, non-specific deficits in DLD and (3) specificity of the disorder vs. overlap with other disorders, notably autism. 相似文献
76.
Pauline Lightbody Stephen Nicholson Gerda Siann Dave Walsh 《British Journal of Guidance & Counselling》1997,25(1):67-79
To find out why some college or university courses are particularly attractive to ethnic-minority school-leavers, school pupils and first-year students of South Asian (n=158) and UK origin (n = 158) completed a questionnaire relating to occupational choice. The social position attainable from a 'respected' profession and the ability to work with others who share similar beliefs were found to be of greater importance to subjects from an Asian background than to those of UK origin, who placed greater emphasis on personal growth and autonomy. There was no evidence that the Asian young people were consciously choosing careers with the aim of avoiding discrimination. 相似文献
77.
Thirty-two male and thirty-two female high school counselors in a large metropolitan school district were provided with routine student profile data and asked to make predictions about the student's potential for post-high school education and to suggest occupations for the student to explore. All data reviewed by the counselors were identical except for a photograph of the student attached to the profile. Within counselor sex groups, counselors were randomly assigned to one of the following four photograph conditions: (a) attractive female; (b) unattractive female; (c) attractive male; and (d) unattractive male. Male subjects were found to discriminate on the basis of student sex when they suggested occupations for the student to explore. Predictions of post-high school education and the social status of suggested occupations were not found to be related to counselor sex, student sex, or student attractiveness. 相似文献
78.
Boss RW 《The Journal of applied behavioral science》1983,19(1):67-83
This article describes the characteristics of a Personal Management Interview (PMI) and reports the results of its implementation in 16 different organizational contexts. Based upon Group Behavior Inventory and personal interview data collected from 208 participants (135 experimental and 71 comparison group members), the results show that the implementation of regular PMIs can prevent the regression or fade-out which often occurs after off-site team-building sessions. 相似文献
79.
J N Butcher C M Aldwin M R Levenson Y S Ben-Porath A Spiro R Bossé 《Psychology and aging》1991,6(3):361-370
We examined whether separate norms for older men are necessary for the revised Minnesota Multiphasic Personality Inventory (MMPI-2). Scores from 1,459 men in the Normative Aging Study (NAS) (age: M = 61.27, SD = 8.37) were contrasted with those from 1,138 men from the MMPI Restandardization Study (age: M = 41.71, SD = 15.32). Results showed that scores on the MMPI-2 validity, clinical, and content scales for the NAS men were highly similar to those from the MMPI-2 Restandardization sample. There were also few differences between the two groups at the item level. Within-sample analyses revealed some differences between age groups. However, the magnitudes of these differences were small and may represent the single or combined effects of cohort factors and age-related changes in physical health status rather than age-related changes in psychopathology per se. We concluded that special, age-related norms for the MMPI-2 are not needed for older men. 相似文献
80.
Long-term outcome of sex therapy 总被引:3,自引:0,他引:3
Keith Hawton Jose Catalan Pauline Martin Joan Fagg 《Behaviour research and therapy》1986,24(6):665-675
In a prospective investigation of the long-term outcome of 140 couples who had entered sex therapy 1–6 yrs earlier for a variety of sexual dysfunctions, successful follow-up, mostly by interview, was possible with at least one partner in 75% of cases. While recurrence of sexual difficulties was common, coping strategies were identified which often helped overcome relapses. Improvements in couples' general relationships resulting from treatment were usually sustained. Long-term outcome was excellent for vaginismus, good for erectile dysfunction, but often poor for premature ejaculation, and especially, for female impaired sexual interest. While the results of this study support the continued use of sex therapy for sexual dysfunction, they also emphasize the need for new therapeutic approaches for problems with poor outcome, especially female loss of sexual interest. 相似文献