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851.
The structural equations program EQS V3.0 has proved to be an important tool for research in the field of Monte Carlo simulations. However, when used to replicate a simulation experiment, the simulator has been found to contain a serious flaw which makes it unusable for particularly complex models. This functional anomaly stems from the fact that, from a given replication onward, none of the remaining replications offer adequate and convergent solutions.  相似文献   
852.
We report a series of picture naming experiments in which target pictures were primed by briefly presented masked words. Experiment 1 demonstrates that the prior presentation of the same word prime (e.g.,rose-rose) facilitates picture naming independently of the target’s name frequency. In Experiment 2, primes that were homophones of picture targets (e.g.,rows-rose) also produced facilitatory effects compared with unrelated controls, but priming was significantly larger for targets with low-frequency names relative to targets with high-frequency names. In Experiment 3, primes that were higher frequency homophones of picture targets produced facilitatory effects compared with identical primes. These results are discussed in relation to different accounts of the effects of masked priming in current models of picture naming.  相似文献   
853.
字频在直接和间接记忆测验中的比较研究   总被引:2,自引:1,他引:1  
李娟  林仲贤 《心理科学》1998,21(3):196-200
本研究通过3×2×2混合设计实验,比较了字频在即刻和第5天两种施测时间下的两类记忆测验中的不同作用。本研究支持了词汇通达搜索模型对宇频作用机制的分析及传输适当认知程序观点对实验性分离现象的解释,并发现外显记忆与内隐记忆都会发生遗忘,但原因可能并不相同,而且字频影响两类记忆的遗忘进程。  相似文献   
854.
A main prediction from the zoom lens model for visual attention is that performance is an inverse function of the size of the attended area. The “attention shift paradigm” developed by Sperling and Reeves (1980) was adapted here to study predictions from the zoom lens model. In two experiments two lists of items were simultaneously presented using the rapid serial visual presentation technique. Subjects were to report the first item he/she was able to identify in the series that did not include the target (the letter T) after he/she saw the target. In one condition, subjects knew in which list the target would appear; in another condition, they did not have this knowledge, having to attend to both positions in order to detect the target. The zoom lens model predicts an interaction between this variable and the distance separating the two positions where the lists are presented. In both experiments, this interaction was observed. The results are also discussed as a solution to the apparently contradictory results with regard to the analog movement model.  相似文献   
855.
Understanding Within-Job Title Variance in Job-Analytic Ratings   总被引:3,自引:0,他引:3  
This study examined the correlates of within-job title variance in job-analytic ratings. Q-factor analyses of SMEs' ratings for two jobs (i.e., Sales Representative [n = 26] and Felony Assistant Public Defender [n = 141]) yielded two and four factors, respectively. These factors represented shared views of the importance of the job tasks. Factor membership was related to sales performance for sales representatives. Previous professional experience and district of employment were related to factor membership for Felony Assistant Public Defenders. The implications of these studies of within-title variance in job-analytic ratings for human resource programs are discussed.  相似文献   
856.
Two experiments, one using the masked priming technique combined with very brief prime exposures and the other using a new technique, the induction technique, were run in order to investigate the role of syllabic structure in speech production. Experiment 1 (masked priming) showed no effect when primes shared only the abstract syllabic structure without the phonological content, whereas the same picture stimuli produced a syllabic priming effect in Ferrand, Segui, and Grainger (1996, Experiment 4) when primes corresponded to full syllables. In contrast, the results of Experiment 2 (induction) showed that picture naming latencies were significantly faster when subjects had first read aloud a set of words with the same syllabic structure than when these words did not share the syllabic structure with the picture target. This result was also observed when the set was composed of nonwords. These results demonstrate that the abstract syllabic structure (independently of its phonological content) plays an important role in speech production depending on the task used.  相似文献   
857.
Under social-evaluative stress, self-reported distress (cognitive and somatic symptoms), behavioral anxiety (motor, facial, verbal, and social), physiological arousal (heart rate and skin resistance), and task performance (cognitive and motor) were recorded. Concordance was selective and consistent across response systems. There were significant relationships among measures of cognitive aspects, and among those concerned with somatic aspects, but not between these two areas. Furthermore, concordance was much higher in high-than in low-trait/test-anxiety participants, who even exhibited reversed concordance. These differences are explained in terms of stronger physiological signals in high trait/test anxiety. Alternative interpretations involving perceiving and/or reporting internal threat-related information in low trait/test anxiety are discussed.  相似文献   
858.
The factors that determine intentions to relocate in the continental U. S. among Puerto Rican nursing professionals were explored. One hundred and eleven nursing students in their last semester of nursing school responded to a biographical questionnaire. Intentions to relocate were regressed on factor scores resulting from factor-analyzing questionnaire items. The results indicated that the individual's level of independence (e. g., lack of family attachment) was the best predictor of intentions to relocate. In addition, both lack of fear of discrimination and being at a middle life stage were positively related to intentions to take a job in the U. S. Implications for further study of the motivations driving culturally diverse laborforce entrants are discussed.  相似文献   
859.
An experiment of McLean, D. E. Broadbent, and M. H. P. Broadbent (1983) using rapid serial visual presentation (RSVP) was replicated. A series of letters in one of 5 colors was presented, and the subject was asked to identify the letter that appeared in a designated color. There were several innovations in our procedure, the most important of which was the use of a response menu. After each trial, the subject was presented with 7 candidate letters from which to choose his/her response. In three experimental conditions, the target, the letter following the target, and all letters other than the target were, respectively, eliminated from the menu. In other conditions, the stimulus list was manipulated by repeating items in the series, repeating the color of successive items, or even eliminating the target color. By means of these manipulations, we were able to determine more precisely the information that subjects had obtained from the presentation of the stimulus series. Although we replicated the results of McLean et al. (1983), the more extensive information that our procedure produced was incompatible with the serial filter model that McLean et al. had used to describe their data. Overall, our results were more compatible with a parallel-processing account. Furthermore, intrusion errors are apparently not only a pereptual phenomenon but a memory problem as well.  相似文献   
860.
In a 2 × 2 design, 85 subjects were asked to estimate the size of angles (direct influence) that were either 90 or 85°, after being confronted with incorrect judgements of a majority (88 per cent) or a minority (12 per cent) of people estimating the angles at 50°. Additionally, pre- and post-test measures were used to establish indirect influence on subjects' judgements pertaining to acute angles (i.e. on the estimation of the length of lines constituting the angles, and on the imaginary weight of figures represented by these angles). Overall, little direct influence is observed. This may partly be due to the introduction of a denial of the credibility of the source in all conditions. In fact, some evidence of direct influence is only found in the majority–85° angles condition. An instance of indirect influence (on the estimation of length of lines) appeared as the result of a majority stance when the angles in the experimental phase were 90°. When these angles were 85°, indirect minority influence (on the estimation of weight of figures) was observed. These effects had been predicted on the basis of the hypothesis stating that indirect majority influence would be possible when subjects expected consensus on the correct response (in the 90° angles condition), without being able to reach consensus at the manifest level (because of the denial and the restriction imposed by the clear shape of 90° angles). Indirect minority influence was hypothesized to be stronger in a situation that allows for diverse responses (i.e. for 85° angles).  相似文献   
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