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141.
Summary Three experiments were conducted to investigate dual-code theory and the levels-of-processing approach in discourse processing. Three concrete and three abstract tests were constructed to be equivalent in the degree to which they were perceived as concrete vs. abstract. All experiments presented concrete and abstract texts under three orienting tasks. Results of the first experiment showed main effects for both text concreteness and orienting tasks and an interaction that can be described by the lack of a difference between the recall rates for the concrete and the abstract texts under the intentional-learning condition. In the second experiment, longer texts were used and a second trial was introduced. The interaction was not replicated. There were main effects for concreteness, orienting tasks, and trials. The third experiment replicated Experiment 2 with subjects in their late 40s and over 70. Main effects were obtained as before. Age interacted with both orienting task and concreteness, indicating that older adults gain less than middle-aged adults from intentional-learning instructions and benefit less from highly concrete texts. The discussion focuses on the relation of Materials and Subjects as factors to dual-code theory and levels of processing approach. 相似文献
142.
The original hypothesis of Dixon, Brunet, and Laurence (1990) that highly hypnotizable (HH) subjects process words more automatically than do low hypnotizable (LH) subjects was retested in a paradigm that separated strategic from automatic processes in the Stroop color-naming task. The words red and blue preceded a color patch that was red or blue. Subjects were told that the word predicted the opposite color 75% of the time. Automatic and strategic processes were assessed by varying the interstimulus interval (ISI) between the word and the color patch. Both HH and LH subjects showed significant strategic effects (faster incongruent-trial, color-naming reaction times than congruent-trial reaction times at ISIs over 400 ms), but only HH subjects showed significant automaticity (significantly faster congruent-trial reaction times than incongruent-trial reaction times at 16.7 ms, the lowest ISI). 相似文献
143.
144.
Two independent tasks, object manipulation and auditory-visual matching, were used to examine the relationship between developing manual action skills and attention to intermodal object properties in 3.5- and 5.5-month-olds. Although handling skills improved with age, with older infants demonstrating more varied manipulation, there were no age differences for the matching task. When grouped by handling skills, a significant interaction between skill and event type was found for the two age groups combined and for 5.5-month-olds alone. Auditory-visual matching of social events did not vary with handling skills, whereas auditory-visualmatching of object events did. Infants at higher skill levels responded similarly to social and object events, whereas less skilled infants' matching preferences were weaker for object events. These findings indicate that infants increase their attention to auditory and visual properties of objects as this information becomes useful for guiding new actions. This effect is independent of age due to considerable individual variability in the development of object handling skills. 相似文献
145.
Previous studies have described children’s acquisition of language as reflecting either a referential or an expressive style. A multivariate approach, characterizing “referentiality” and “expressivity” as partially dissociable dimensions, is advantageous because it allows children to vary along one dimension as they vary along another, allowing children to have high or low degrees of both characteristics simultaneously. The present study applies multivariate techniques to an “exploratory” sample of 87 children, all of whom were 20 months old, and by subsequently validating the exploratory phase with 56 of the original children seen one month later. Using parental reports to assess children’s multiword productions, exploratory factor analyses revealed two correlated dimensions of language style which indeed reflected referential and expressive characteristics. Confirmatory factor analyses “confirmed” these factors in the test sample. This two-dimensional model of language acquisition was superior to a unidimensional, general linguistic competence model. There is also strong short-term stability for both dimensions across the one-month period. 相似文献
146.
In a reanalysis of women's language, Holmes (1995) has argued that women's use of hedges expresses interpersonal warmth and not, as many researchers have maintained, linguistic tentativeness. It is typically men, she suggests, who employ hedges to convey imprecision and incertitude. In this study, we investigated the use of the hedges sort of and you know in a sample of South African students. Holmes's method of analysis was applied to hedging behavior in 52 dyadic conversations. The study consisted of a 2 (Speaker Gender: Male/Female) × 2 (Audience Gender: Male/Female) × 2 (Condition: Competitive/Noncompetitive) between-subjects experimental design. The results showed that contextual influences eclipsed the effects of gender; in fact, no main effects were found for speaker gender. Fewer hedges were deployed in the competitive condition than in the noncompetitive condition. Moreover, perhaps reflecting differences in social status, both sexes used sort of to express tentativeness more frequently when talking to male addressees. When speaking to female addressees, on the other hand, men deployed facilitative you know hedges more readily than women. 相似文献
147.
Relationships between metamemory, memory predictions, and memory task performance in adults 总被引:2,自引:0,他引:2
A cross-sectional sample of adults recalled categorized word lists and narrative texts. Subjects gave performance predictions before each of 3 recall trials for each task. Older subjects had poorer memory performance and also predicted lower performance levels than did younger subjects. The LISREL models suggested (a) direct effects of memory self-efficacy (MSE) on initial predictions; (b) upgrading of prediction-performance correlations across trials, determined by direct effects of performance on subsequent predictions; (c) significant effects of a higher order verbal memory factor on MSE; and (d) an independent relationship of text recall ability to initial text recall performance predictions. These results lend support to the theoretical treatment of predictions as task-specific MSE judgments. 相似文献
148.
Children's oral language functioning has been shown to be affected by word class (i.e., content vs. noncontent words). The present study reveals comparable effects on children's written language performance. In spelling and reading, third and fifth graders show faster and more accurate responses to nouns and verbs than to noncontent words of matched length and frequency. Further, when the children's performance is examined in relation to level of reading skill, it is found that the less-skilled readers exhibit a greater content/noncontent differential than do the more skilled readers. The results are discussed with reference to differential access for the two word classes and its implication for both oral and written language functioning. 相似文献
149.
Data on a brief mental status schedule (Memory Check) and a behavior rating scale of mental impairment (Functional Behavior Survey) are presented which support the use of these instruments in research and survey work with both community and institutionalized aged. Based on a factorially derived concept of mental competence, the two instruments showed a satisfactory relation to clinical judgment of degree of competence, and also to a composite measure of nine test measures commonly used in assessing mental competence. The sample consisted of 68 community and nursing home residents between the ages of 60 and 80 who ranged from those who were unimpaired to those judged clinically to be grossly mentally impaired. 相似文献
150.
R A Dixon 《Psychological reports》1983,52(1):281-282