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161.
Conyers C Doole A Vause T Harapiak S Yu DC Martin GL 《Journal of applied behavior analysis》2002,35(1):49-58
Choices were presented to 9 individuals with developmental disabilities using a two-choice format. Each pair of items, selected based on prior preference assessment, was presented to each participant in three conditions (actual items, pictures of the items, and spoken-name presentation) using a reversal design. The evaluation was conducted using food items, and was then repeated using nonfood items. The participants were also given a test to measure their skills on discrimination tasks ranging in difficulty from simple to conditional discriminations. The participants' abilities to make consistent choices with food and nonfood items were predicted, with 94% accuracy, by their discrimination skills. The findings suggest that presentation methods can affect the accuracy of a choice assessment, and that the systematic assessment of basic discrimination skills can be used to predict the effectiveness of different presentation methods in this population. 相似文献
162.
The role of proprioceptive inputs in the control of goal-directed movements was examined, by means of the tendon vibration technique, in 5 to 11-year old children performing a serial pointing task. Children pointed, with movements of various amplitudes and at various positions, by alternating wrist flexions and extensions. Tendon vibration was applied to both agonist and antagonist muscles to perturb relevant muscular proprioceptive inputs during the static or dynamic phase of the task, i.e., during stops on targets or during movement execution. Constant and variable amplitude errors as well as constant position error were evaluated. Vibratory perturbation applied during movement execution resulted in a similar reduction in movement amplitude, yielding an increased constant error in all age groups and a systematic position error in the direction of the movement starting point. Perturbing proprioception during static phases preceding movement resulted in an age-related increase in the variable amplitude error, which was maximal in 5-year old children performing extension movements. The results were interpreted in terms of the use of proprioceptive information in the feedforward and feedback based components of movement control in children. In particular, the results indicated (1) developmental changes in the relative weighting of each component, (2) an increased capacity to move from one strategy to the other, depending on the availability of information, and (3) developmental changes from an alternated to an integrated control of amplitude and position in serial pointing. 相似文献
163.
Kappel Sarah Ramirez Montes De Oca Marco A. Collins Sarah Herborn Katherine Mendl Michael Fureix Carole 《Animal cognition》2023,26(4):1147-1159
Animal Cognition - The use of 2-dimensional representations (e.g. photographs or digital images) of real-life physical objects has been an important tool in studies of animal cognition. Horses are... 相似文献
164.
Members of two self-help groupsfor university andpolytechnic students with eating disorders were asked to generale personal constructs. The analysis of the subsequent grids showed that the students were concerned with similar emotional issues. Il also produceda significant difference between ratings of'self and 'ideal self, butfailed to produce evidence of' tight' construing. Discussion ofthe grids made a positive contribution to the self-help process. 相似文献
165.
Carole Atherley 《British Journal of Guidance & Counselling》1988,16(3):286-299
Four theories of depression and the Attributional Style Questionnaire (ASQ) are described and their implications for counselling discussed. Recent research has focused upon the testing of the diathesis-stress component of the reformulated learned-helplessness theory of depression, and in particular upon the role which a hypothesised depressogenic causal attributional style towards events in general, and/or 'depressive attributions' towards specific events, play in the development of depression. It is suggested that the recently revised version of this theory — the hopelessness theory of depression — is both a more fruitful area of future research and of more interest to the counsellor, since it emphasises the role which attributions and other cognitive factors play in the maintenance and prevention of depression, rather than concentrating on a continued search for a cause. 相似文献
166.
Narratives of 3 1/2-to 9 1/2-year-old children were searched for AND coordinations. Only half of the AND utterances of the youngest compared to four-fifths of those of the oldest children were fully formed, syntactically correct coordinations. The latter were classified as phrasal coordinations, redundant sententials (i.e., potential phrasals), or nonredundant sentential coordinations. Sentential coordinations predominated, especially among older children. Direction of redundancy (or potential redundancy) was important: forward forms predominated over backward forms. Differences in form of the children's coordinations often reflected differences in meaning; this was true for backward direction forms of phrasal versus sentential coordination, although not for most forward direction forms.The authors would like to thank Michael Bruce-Lockhart for the development and use of the NARRAN software package. For more information about NARRAN or its availability, write to the first author. This research was supported by National Science and Engineering Research Council grant A-0513 to the first author. 相似文献
167.
The causal connective because requires the order of clauses within a sentence to violate the order of events in the real world; i.e., effect because cause is correct. Children's (4, 6, and 8 years of age) ability to comprehend because was explored in a series of four studies. The first, a replication with variations of existing studies, assessed children's ability to judge as anomalous sentences in which the order of clauses is reversed. Comprehension of impersonal sentences is better than of sentences derived from narratives of their own experiences, although children do poorly at this task until age 8. However, results of study 2 suggest that children's poor understanding of task requirements is partly responsible, since increased task instructions and modeling led to significant improvement in the ability of preschoolers to judge sentences as anomalous. In the third study, children named the cause event after being told a causal sequence (involving either psychological or physical causality) of the form: Event A, Event C (effect) because Event B (cause), Event D. Comprehension of physical causality sequences is superior, but again, only 8-year-olds showed good performance. In Study 4, children were asked to find the cause event in four-clause sequences of the same form as in Study 3, but memory props were added in the form of pictures of events A, B, and D. Near perfect performance was shown by all children. Overall, comprehension studies of because are judged to be rife with methodological problems, and memory demands are seen to be particularly important.The authors wish to thank Lynn Anne Pye for her contributions to Study 4, which formed part of her undergraduate honors degree research, as well as F. Michael Rabinowitz for his comments and statistical aid. This research was supported by NSERC grant A7911 to the senior author. 相似文献
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170.
François Grosjean Jean-Yves Dommergues Etienne Cornu Delphine Guillelmon Carole Besson 《Attention, perception & psychophysics》1994,56(5):590-598
In this paper we examine whether the recognition of a spoken noun is affected by the gender marking—masculine or feminine—that is carried by a preceding word. In the first of two experiments, the gating paradigm was used to study the access of French nouns that were preceded by an appropriate gender marking, carried by an article, or preceded by no gender marking. In the second experiment, subjects were asked to make a lexical decision on the same material. A very strong facilitatory effect was found in both cases. The origin of the gender-marking effect is discussed, as well as the level of processing involved—lexical or syntactic. 相似文献