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421.
Guo T Misra M Tam JW Kroll JF 《Journal of experimental psychology. Learning, memory, and cognition》2012,38(5):1165-1186
In 2 experiments, relatively proficient Chinese-English bilinguals decided whether Chinese words were the correct translations of English words. Critical trials were those on which incorrect translations were related in lexical form or meaning to the correct translation. In Experiment 1, behavioral interference was revealed for both distractor types, but event-related potentials (ERPs) revealed a different time course for the 2 conditions. Semantic distractors elicited effects primarily on the N400 and late positive component (LPC), with a smaller N400 and a smaller LPC over the posterior scalp but a larger LPC over the anterior scalp relative to unrelated controls. In contrast, translation form distractors elicited a larger P200 and a larger LPC than did unrelated controls. To determine whether the translation form effects were enabled by the relatively long, 750-ms stimulus onset asynchrony (SOA) between words, a 2nd ERP experiment was conducted using a shorter, 300-ms, SOA. The behavioral results revealed interference for both types of distractors, but the ERPs again revealed different loci for the 2 effects. Taken together, the data suggest that proficient bilinguals activate 1st-language translations of words in the 2nd language after they have accessed the meaning of those words. The implications of this pattern for claims about the nature of cross-language activation when bilinguals read in 1 or both languages are discussed. (PsycINFO Database Record (c) 2012 APA, all rights reserved). 相似文献
422.
Effects of response variability on the sensitivity of rule-governed behavior 总被引:2,自引:2,他引:0
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Two experiments examined the relation between response variability and sensitivity to changes in reinforcement contingencies. In Experiment 1, two groups of college students were provided complete instructions regarding a button-pressing task; the instructions stated “press the button 40 times for each point” (exchangeable for money). Two additional groups received incomplete instructions that omitted the pattern of responding required for reinforcement under the same schedule. Sensitivity was tested in one completely instructed and one incompletely instructed group after responding had met a stability criterion, and for the remaining two groups after a short exposure to the original schedule. The three groups of subjects whose responding was completely instructed or who had met the stability criterion showed little variability at the moment of change in the reinforcement schedule. The responding of these three groups also was insensitive to the contingency change. Incompletely instructed short-exposure responding was more variable at the moment of schedule change and was sensitive to the new contingency in four of six cases. In Experiment 2, completely and incompletely instructed responding first met a stability criterion. This was followed by a test that showed no sensitivity to a contingency change. A strategic instruction was then presented that stated variable responding would work best. Five of 6 subjects showed increased variability after this instruction, and all 6 showed sensitivity to contingency change. The findings are discussed from a selectionist perspective that describes response acquisition as a process of variation, selection, and maintenance. From this perspective, sensitivity to contingency changes is described as a function of variables that produce response variability. 相似文献
423.
One hundred sixty female and 160 male undergraduates provided performance evaluations and attributions for a poor-performing stimulus employee depicted as male or female, and as either single or married with three preschool-aged children. No significant differences were detected for ratings given by male and female evaluators. The results did however, reveal a significant interaction of employee sex by marital/parental status conveying that of the four employee groups, married mothers were evaluated the most favorably, while single females were the least favorably evaluated. The differential performance evaluations were interpreted by attributional responses indicating that raters perceived external, uncontrollable factors as causes of the married mother's poor performance, while internal, controllable factors were seen as primary reasons for the poor performance of the other employees, particularly the single female's. Implications of the findings were presented.Portions of this paper were presented at the 43rd annual meeting of the Academy of Management, Dallas, Texas, August 1983. 相似文献
424.
Ear of input as a determinant of pitch-memory interference 总被引:3,自引:0,他引:3
Howard J. Kallman Patricia A. Cameron Jason W. Beckstead Eileen Joyce 《Memory & cognition》1987,15(5):454-460
Six experiments to evaluate the effect of presentation ear on pitch-memory interference were conducted using undergraduates as listeners. The task was to compare the pitch of two tones that were separated by an interval that included eight interpolated tones; the interpolated tones were presented either ipsilaterally or contralaterally to the presentation ear of the comparison tones. When the ear of interpolated-tone presentations was blocked, and therefore predictable, ipsilateral interference was greater than contralateral. In contrast, when the interpolated-tone presentation ear was varied randomly from trial to trial, ipsilateral and contralateral interferences were equivalent. These results are analogous to results found in previously reported auditory backward recognition masking (ABRM) experiments and suggest that the ABRM effect may be due, in part, to pitch-memory interference. Implications for theories of auditory processing and memory are discussed. 相似文献
425.
Management procedures were succesfully employed to decrease the frequency with which first-grade children left small instructional centers. To decrease the out-of-center behavior, access to a 30-minute special activity time was made available to different groups as a function of everyone's remaining within his group instructional center. One occurrence of out-center behavior resulted in a cost of ten minutes of special activity time for the children in that center. The frequency of out-of-center behaviors quickly decreased from Baseline I to the Modification I condition, increased when the modification condition was removed, and decreased again in Modification II.Observations made on the percent of the children's appropriate social and academic behaviors showed increases during the modification conditions. Also, the time the teacher spent in responding to inappropriate behavior decreased and the time spent in instruction increased during the modification conditions. 相似文献
426.
Encoding and retrieval of temporal and spatial order information was investigated in the free recall and probed recognition performance of 3-, 4-, 5-, and 6-year-olds. In both tasks, three line drawings of familiar objects were presented successively in different spatial locations, so that temporal order was not confounded with spatial order. Subjects of all ages revealed an organization for the stimulus display based on the temporal sequence of presentation. With increasing age, subjects began recall more often with the first item so as to take advantage of this sequential organization. In the probed recognition task, subjects were asked questions requiring the use of temporal or spatial order information. Performance by the older subjects indicated that information about temporal and spatial order could be simultaneously encoded. The results are discussed in terms of a context theory derived from Estes's hierarchical association model. 相似文献
427.
In order to explore variables underlying primacy and recency effects in free recall of pictorial material, norms were developed using 120 subjects who rated the vividness and complexity of slides. Two experiments were then run in which two levels of each of these variables (extreme high and low ratings) were factorially combined. In the first experiment 24 subjects were shown three mixed lists, two short and one long (consisting of materials of all four combinations of vividness and complexity), and in the second experiment 12 subjects were shown four pure lists (consisting of materials of a single type). Analysis of variance showed list length in the mixed list experiment and complexity in both experiments to be strong determinants of recall. Greatest recall was for items of low complexity in short lists. Weak, but statistically significant, serial position effects were evident, particularly for less complex items. The effects of primacy and recency seem to decrease with increasing complexity of visual materials, perhaps because of the greater difficulty in rehearsing more complex pictures either verbally or iconically. 相似文献
428.
Nursery school children were presented with a simple miniature artificial language in one of three conditions. In the first, the stimuli to which the words referred contained an inherent lawful relationship and the language syntax reflected this relationship. In the second, the stimuli contained an inherent lawful relationship but the language syntax did not reflect this relationship. In the third, no lawful relationship existed among the stimuli to which the words referred so the language syntax imposed an arbitrary relationship among stimuli. Subjects in the first group were able to produce more correct utterances than those in the other two groups when the stimuli to which the words referred were not present, suggesting that some form of semantic mediation mechanism was being used. Evidence from novel constructions indicates that for both groups using stimuli containing an inherent lawful relation there were interactions between semantic learning mechanisms and syntax learning mechanisms. 相似文献
429.
Joseph E Grush Michael G.H Coles April Y Ferguson Joyce McGee 《Journal of research in personality》1973,7(2):189-195
Two groups of subjects were exposed to a series of 20 either positively evaluated words (E+ group) or negatively evaluated words (E? group). On the twenty-first trial, half the subjects in E+ group (the E+? group) received a negatively evaluated word while the other half of the subjects received a further positively evaluated word (E++ group). A similar subdivision was made with the E? group to yield E?+ and E?? groups. Skin conductance responses to all stimulus words were measured. The responses of the E+? and E?+ groups were compared to those of their control groups (E++ and E??) for stimulus words 21 and 22. The results of these analyses, and the data concerning responses prior to stimulus word 21, indicated that subjects habituated to semantic stimuli of the same evaluative meaning. Memory for the words was assessed postexperimentally and its relationship to the orienting response in discussed. 相似文献
430.
This study shows that women are unlikely to be seen as leaders. Subjects (n=448) rated each member of a five-person group (shown in a photograph) on leadership attributes and also chose one of the five as “contributing most to the group.” Eight different stimulus slides were used. In two slides the “head-of-the-table” cue to group leadership was pitted against sex-role stereotypes. A man seated at the head of the table in a mixed-sex group was clearly seen as leader of his group, but a woman occupying the same position was ignored. The head-of-the-table cue identified women as leaders only in all-female stimulus groups. The data were consistent with the hypotheses that sex stereotypes still control social judgments, and that discrimination operates nonconsciously and in spite of good intentions. 相似文献