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101.
《Quarterly journal of experimental psychology (2006)》2013,66(1):19-45
In task switching, extending the response–cue interval (RCI) reduces the switch cost—the detriment to performance when switching compared to repeating tasks. This reduction has been used as evidence for the existence of task-set decay processes. Recently, this has been challenged by the observation of sequential dependencies on the RCI effect: switch cost is only reduced at longer RCIs when the previous trial had a short RCI. This trial-wise variation of RCI is thought to affect the temporal distinctiveness (TD) of a previous task's episodic trace, affecting the probability of its automatic retrieval on the current trial; importantly, TD is thought to be independent of the current trial's RCI. The present study highlights a dependency between the current RCI and TD, and demonstrates that a decay model can reproduce some patterns of data attributed to TD. Further, the decay account makes a strong prediction when TD is held constant: repetition response times should slow as the RCI increases, and switch response times should be facilitated. This prediction was tested via re-analysis of extant data and three experiments. The re-analysis provided some evidence for the decay account, but Experiments 1 and 2 report slowing for task repetition and switch trials, which cannot be explained by a task-set decay process. Experiment 3, which utilized tasks requiring perceptual judgements, showed small evidence for decay. We conclude that the data are largely consistent with the TD account and that the evidence for decay of higher-level task-sets is not convincing. 相似文献
102.
Depression is one of the most clinically relevant mood disorders, and many assessment instruments have been developed to measure it. Probably the most frequently used instrument is Beck’s Depression Inventory (BDI). The simplified BDI (BDI-S) is a more efficient version of the BDI that has been shown to be no less reliable or valid. As the BDI-S has not yet been subjected to rigorous tests of Item Response Theory, it is the aim of the present paper to conduct such an analysis using the Rasch model. This study subjected a simplified version of the BDI consisting of 20 items (BDI-S20) to a Rasch analysis in a sample of N = 5,035 participants. The scale, minus one misfitting item (BDI-S19), yielded a good approximation to Rasch assumptions. Moderate differential item functioning (DIF) was present. It is concluded that the BDI-S19 is an internally valid instrument for assessing depression, although some room for improvement exists. 相似文献
103.
Most objectively scored tests use items with easily identifiable correct answers. When such veridical scoring keys cannot be constructed, researchers sometimes use proportion consensus scoring (PCS) to identify the best answers. To determine if PCS identifies the best answers, we scored a test using both PCS and veridical scoring. Among 353 undergraduates, regular PCS, two-stage PCS, and expert PCS all had high correlations for easy items, but no PCS methods had high correlations for difficult items. Thus, PCS cannot reliability identify the best answers to individual items. However, PCS worked well for total scores. For easy items, total scores had correlations above .99 for all PCS methods. For difficult items, expert and two-stage PCS had correlations of .92 and .82 for the 60-item test. Thus, expert and two-stage PCS can be justified (even for difficult items) if the scoring key is based upon people who truly possess some degree of expertise and if scores are summed over many items. 相似文献
104.
This study examined the Flynn effect (FE; i.e., the rise in IQ scores over time) in Estonia using the Estonian version of the National Intelligence Tests (NIT; and ). Using secondary data from two cohorts (1934, n = 890 and 2006, n = 913) of students, we analyzed the NIT's subtests using item response theory (IRT). For each subtest, we first examined invariance in all the items and then linked the latent variable (θ) scores between the two cohorts using the invariant items. The results showed that there was a FE in θ for all subtests except one, although there was much variability in the FE magnitude, ranging from an effect size of 0.24 (3.60 IQ points) to 1.05 (15.75 IQ points). In addition, this study showed there was a decrease in the variability of θ for all the subtests, although only two of the subtests showed large decreases (approximately .50 standard deviations). Last, the subtests' precision of measuring θ was very similar at both time points. 相似文献
105.
Event-based prospective memory (EB-PM) is the formation of an intention and remembering to perform it in response to a specific event. Currently, EB-PM performance in children with sickle cell disease (SCD) is unknown. In this study, we designed a computer-based task of EB-PM; No-Stroke, Silent-Infarct, and Overt-Stroke groups performed significantly below the demographically similar control group without SCD. Cue distinctiveness was varied to determine if EB-PM could be improved. All groups, with the exception of the Overt-Stroke group, performed significantly better with a perceptually distinctive cue. Overall, these results suggest that EB-PM can be improved significantly in many children with SCD. 相似文献
106.
The self-performed task (SPT) paradigm was employed to investigate incidental memory for action events, focusing on states of awareness at retrieval (Remembering–Knowing) and source monitoring in performed and observed actions, at delays of 1 and 2 weeks. Recognition was better for performed than observed actions, but this effect was visible only after 1 week of retention. Conversely, observed actions were associated with better source memory at both delays. When the source was correctly identified, performed and observed actions were accompanied by equal proportions of Remember judgements. However, when source monitoring was incorrect, performed actions were more frequently associated with a feeling of re-experiencing the original event, thus suggesting an enactment-related recollective superiority, although secondary to the availability of reliable contextual information. 相似文献
107.
James W. Griffith Jennifer A. Sumner Elise Debeer Filip Raes Dirk Hermans Susan Mineka 《Memory (Hove, England)》2013,21(6):609-623
The Autobiographical Memory Test (AMT) is used to assess the degree of specificity of autobiographical memory. The AMT usually contains cue words of both positive and negative valence, but it is unclear whether these valences form separate factors or not. Accordingly, confirmatory factor analysis assessed whether the AMT measures one overall factor, or whether different cue types are related to different factors. Results were consistent across three datasets (N = 333, N = 405, and N = 336). A one-factor model fitted each dataset well, which suggests that responses to positive and negative cues are related to the one construct. In addition, item response theory analyses showed that the AMT is most precise for people who score low on memory specificity. Implications for using the AMT with high-functioning samples are discussed. 相似文献
108.
In this article, we argue two points in relation to the challenge to human distinctiveness emerging as artificial intelligence systems and humanlike robots simulate various human capabilities. First, that, in the context of theological anthropology, it is advisable to respond to this challenge by turning toward the human body. Second, following this point, we propose the responsive body hypothesis, suggesting that what makes us distinct from androids are capacities that rise from and depend on our responsive bodies. 相似文献
109.
ObjectivesThe main goal of this research focused on the development and validation of three instruments designed to assess athletes' self-regulatory efficacy in team contexts, team collective efficacy and team moral disengagement with relevance for doping use across three European countries.DesignThe research relied on three distinct studies. A first qualitative study focused on item development. The second study assessed the factor structure and internal reliability of each of the new team instruments. The third study provided evidence for instrument validity by assessing the hypothesis that efficacy measures and moral disengagement would contribute to team athletes' doping intentions. The latter two studies also focused on the relations among measures and on measurement reliability, both within and across countries.MethodThe first study relied on focus group data collected from twenty-one team sport professionals (mean age = 34; SD = 11.65). Four hundred and fourteen adolescent athletes (mean age = 16.69; SD = 1.55) participated in the second study, whereas seven hundred forty-nine adolescent team athletes (mean age = 16.43; SD = 1.69) participated in the third study. For the latter two studies, team athletes were recruited across Italy, Germany and Greece and provided data on the new team measures. Only athletes participating in the third study provided data on doping intentions.ResultsThe findings of the three studies supported the empirical goals of the investigation and provided evidence for the factor structure, reliability and validity of the team instruments. Furthermore, multi-group findings supported the hypothesis that the new instruments would have equivalent measurement and validity characteristics across the three European countries. The conclusions focus on the conceptual and practical implications of these findings. 相似文献
110.
推理心理研究中的逻辑加工与非逻辑加工评析 总被引:5,自引:2,他引:3
本文对西方心理学研究中有关推理心理学争论的两个热点问题之一:逻辑推理与非逻辑推理之争的发展线索和相互关系等问题进行了评述,指出了这两种理论争论中未能注意到的三个问题,并对试图解决这三个问题的“知识和试题双重结构模型”作了简要介绍。 相似文献