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161.
Item selection rules in a Computerized Adaptive Test for the assessment of written English. e-CAT is a Computerized Adaptive Test for the evaluation of written English knowledge, using the item selection rule most commonly employed: the maximum Fisher information criterion. Some of the problems of this criterion have a negative impact in the estimation accuracy and in the item bank security. In this study, the performance of this item selection rule is compared, by means of simulation, with two other rules: selecting the item with maximum Fisher information in an interval (Veerkamp y Berger, 1997) and a new criterion, called "maximum Fisher information in an interval with geometric mean". In general, this new rule shows smaller measurement error and smaller item overlap rates. It seems, thus, recommendable, as it allows the simultaneous improvement of estimation accuracy and the maintenance of the item bank security of e-CAT. 相似文献
162.
In this study, ROC and z-ROC parameters are applied in word recognition memory, with words classified according to frequency and class. In doing so, unbiased techniques can be used to assess hits and false alarms and to obtain standardized distributions for each experimental condition. Our results confirm the existence of differences in word recognition memory for experimental exposition time, type of words and other pre-experimental effects. These data are consistent with familiarity and recollection models when words' frequency is used, and with familiarity, recollection and dual-route models when words are organized according to class. Finally, we argue in favour of an interactive processing model (words organized according to frequency) versus a processing model nearer to modularity (words organized according to class). 相似文献
163.
Prime pictures portraying pleasant or unpleasant scenes were briefly presented (150-ms display; SOAs of 300 or 800 ms), followed by probe pictures either congruent or incongruent in emotional valence. In an evaluative decision task, participants responded whether the probe was emotionally positive or negative. Affective priming was reflected in shorter response latencies for congruent than for incongruent prime-probe pairs. Although this effect was enhanced by perceptual similarity between the prime and the probe, it also occurred for probes that were physically different, and the effect generalized across semantic categories (animals vs. people). It is concluded that affective priming is a genuine phenomenon, in that it occurs as a function of stimulus emotional content, in the absence of both perceptual similarity and semantic category relatedness between the prime and the probe. 相似文献
164.
Parafoveal semantic processing of emotional visual scenes 总被引:2,自引:0,他引:2
Calvo MG Lang PJ 《Journal of experimental psychology. Human perception and performance》2005,31(3):502-519
The authors investigated whether emotional pictorial stimuli are especially likely to be processed in parafoveal vision. Pairs of emotional and neutral visual scenes were presented parafoveally (2.1 degrees or 2.5 degrees of visual angle from a central fixation point) for 150-3,000 ms, followed by an immediate recognition test (500-ms delay). Results indicated that (a) the first fixation was more likely to be placed onto the emotional than the neutral scene; (b) recognition sensitivity (A') was generally higher for the emotional than for the neutral scene when the scenes were paired, but there were no differences when presented individually; and (c) the superior sensitivity for emotional scenes survived changes in size, color, and spatial orientation, but not in meaning. The data suggest that semantic analysis of emotional scenes can begin in parafoveal vision in advance of foveal fixation. 相似文献
165.
The main aim of this study was to assess perceptions of and satisfaction with retirement among 1,686 recently retired people from 6 European Union countries. The authors compared their responses to a set of questions taken from the Retirement Satisfaction Inventory (F. J. Floyd et al., 1992). The first significant result was that Belgian, British, Finnish, French, and Spanish retirees all expressed very similar assessments of life satisfaction, whereas Portuguese retirees expressed a lower level of satisfaction. The 2nd result was that the major determinants of overall satisfaction in the 6 countries were (a) health and resources and (b) anticipated satisfaction. Finally, the data revealed that cultural background only accounted for a limited amount of variance in overall satisfaction with retirement. 相似文献
166.
We examined customer greeting by employees at one location of a sandwich restaurant chain. First, a preintervention analysis was conducted to determine the conditions under which greeting a customer within 3 s of his or her entry into the restaurant did and did not occur. Results suggested that an appropriate customer greeting was most likely to occur when a door chime was used to indicate that a customer had entered the store and when the store manager was present behind the service counter. Next, a performance improvement intervention, which consisted of the combination of the use of a door chime and manager presence, was evaluated. Results showed that during baseline, a mean of 6% of customers were greeted; during intervention a mean of 63% of customers were greeted. The addition of manager-delivered verbal and graphic group feedback resulted in 100% of customers being greeted across two consecutive sessions. 相似文献
167.
On doing two things at once: Temporal constraints on actions in language comprehension 总被引:1,自引:0,他引:1
In two experiments, we investigated how text comprehension is influenced by the interaction between the properties of actions and the temporal relations specified by adverbs. Participants read short narratives describing a protagonist who performed two actions that involved similar sensorimotor systems (e.g., chopping wood and painting a fence) or different ones (e.g., whistling a melody and painting a fence). The actions were described as simultaneous or successive by means of the temporal adverbs while and after, respectively. Comprehension, both in Spanish and in English, was markedly impaired (longer reading times and lower subjective coherence) for sentences including the adverb while and actions involving the same sensorimotor system. However, when one of the same sensorimotor system actions was described as a mental plan (e.g., chopping wood and thinking of painting a fence), comprehension was equally easy with the adverbs while and after. These results are compatible with a revised version of the indexical hypothesis that specifies how comprehension is guided by syntax and embodied constraints within multiple noninteracting mental spaces. 相似文献
168.
The present research examines priming effects from a centrally presented single-prime word to which participants were instructed to either attend or ignore. The prime word was followed by a single central target word to which participants made a semantic categorization (animate vs. inanimate) task. The main variables manipulated across experiments were attentional instructions (attend vs. ignore the prime word), presentation duration of the prime word (20, 50, 80 or 100 ms), prime-target stimulus onset asynchrony (SOA; 300 vs. 800 ms), and temporal presentation of instructions (before vs. after the prime word). The results showed (a) a consistent interaction between attentional instructions and repetition priming and (b) a qualitatively different ignored priming pattern as a function of prime duration: reduced positive priming (relative to the attend instruction) for prime exposures of 80 and 100 ms, and reliable negative priming for the shorter prime exposures of 20 and 50 ms. In addition (c), the differential priming pattern for attend and ignore trials was observed at a prime-target SOA of 800 ms (but not at a shorter 300-ms SOA) and only when instructions were presented before the prime word. Methodological and theoretical implications of the present findings for the extant negative priming literature are discussed. 相似文献
169.
Processing of temporal information: Evidence from eye movements 总被引:1,自引:0,他引:1
In two experiments, we recorded eye movements to study how readers monitor temporal order information contained in narrative texts. Participants read short texts containing critical temporal information in the sixth sentence, which could be either consistent or inconsistent with temporal order information given in the second sentence. In Experiment 1, inconsistent sentences yielded more regressions to the second sentence and longer refixations of it. In Experiment 2, this pattern of eye movements was shown only by readers who noticed the inconsistency and were able to report it. Theoretical and methodological implications of the results for research on text comprehension are discussed. 相似文献
170.
The present research examines the influence of prime-target relationship (associative and categorical versus categorical only) on priming effects from attended and ignored parafoveal words. Participants performed a lexical-decision task on a single central target, which was preceded by two parafoveal prime words, one of which (the attended prime) was spatially precued. The results showed reliable positive and negative priming effects from attended and ignored words, respectively. However, this priming pattern was observed only for the "associative and categorical", but not for the "categorical only" relationship condition. These results suggest that the lack of semantic priming effects from words in some prior studies may be attributed to the kind of material used (i.e. weakly-associated word pairs). 相似文献