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21.
In multidimensional item response theory (MIRT), it is possible for the estimate of a subject’s ability in some dimension
to decrease after they have answered a question correctly. This paper investigates how and when this type of paradoxical result
can occur. We demonstrate that many response models and statistical estimates can produce paradoxical results and that in
the popular class of linearly compensatory models, maximum likelihood estimates are guaranteed to do so. In light of these
findings, the appropriateness of multidimensional item response methods for assigning scores in high-stakes testing is called
into question. 相似文献
22.
Armin Hermann 《Erkenntnis》1976,10(3):311-322
Ohne ZusammenfassungVortrag beim Kolloquium Zur Struktur und Entwicklung naturwissenschaftlicher Theorien am 23. November 1975 in München. 相似文献
23.
Heinz Schmidtke 《Psychological research》1961,26(3):157-178
Ohne ZusammenfassungHerrn Prof. Dr. Karl Mierke zum 65. Geburtstag gewidmet. 相似文献
24.
van Eijk RL Kohlrausch A Juola JF van de Par S 《Attention, perception & psychophysics》2010,72(8):2227-2235
Synchrony perception for audio-visual stimulus pairs is typically studied by using temporal order judgment (TOJ) or synchrony judgment (SJ) tasks. Research has shown that estimates of the point of subjective simultaneity (PSS) obtained using these two methods do not necessarily correspond. Here, we investigate the hypothesis that the PSS estimate obtained in a TOJ task is shifted in the direction of the most sensitive part of the synchrony judgment curve, as obtained in an SJ task. The results confirm that criterion shifts in the TOJ task move the PSS toward regions of the audio-visual temporal interval continuum where discriminations are most sensitive. 相似文献
25.
After discussing evidence of irreligion and the rise of the so called “New Atheism”, the authors refute the claim that this poses a problem for the cognitive science of religion and its hypothesis that religion is natural. The “naturalness hypothesis” is not deterministic but probabilistic and thus leaves room for atheism. This, the authors maintain, is true of both the by‐product and adaptationist stances within the cognitive science of religion. In this context the authors also discuss the memetic or “unnaturalness” hypothesis, i.e. that religion is a “virus of the mind”. The authors criticize accounts of atheism offered by cognitive scientists of religion as being based on unfounded assumptions about the psychology of atheists, and object to the notion that the natural aspects of religion by corollary make atheism unnatural. By considering human cognition in a semiotic framework and emphasizing its natural ability to take part in semiotic systems of signs, atheism emerges as a natural, cognitive strategy. The authors argue that to reach a fuller account of religion, the cognitive (naturalness) and memetic (unnaturalness) hypotheses of religion must be merged. Finally, a preliminary analysis of the “New Atheism” is offered in terms of semiotic and cognitive dynamics 相似文献
26.
27.
Cornelia Pocnet Jérôme Rossier Jean-Philippe Antonietti Armin von Gunten 《Personality and individual differences》2013
In this cross-sectional study, we explored the relationship between premorbid personality and its changes over 5 years, and cognitive deterioration in patients with mild Alzheimer’s disease. The cognitive level of 54 patients was compared with that of 64 control subjects using the Mini Mental State (MMSE). Family members completed the NEO-PI-R (form R) twice, once to evaluate the participants’ current personality and again to assess personality traits as they were remembered to be 5 years earlier. Furthermore, the family filled in the Informant Questionnaire on Cognitive Decline (IQCODE), the Activities of Daily Living (ADL), and the Instrumental Activities of Daily Living (IADL) scales to assess their proxies’ cognitive level and daily living functioning. Regarding the relationship between personality characteristics and cognitive status, we observed trends for premorbid personality and significant links for personality changes in the clinical group. Thus, changes in neuroticism and conscientiousness were associated with cognitive deterioration, whereas decreased openness to experience and conscientiousness over time predicted loss of independence in daily functioning in the clinical group. Our study suggests that premorbid features can be considered as latent traits linked to the neuropathology underlying the disease process, while personality changes are probably the consequences of the pathological process. 相似文献
28.
29.
Audiovisual synchrony and temporal order judgments: effects of experimental method and stimulus type
When an audio-visual event is perceived in the natural environment, a physical delay will always occur between the arrival of the leading visual component and that of the trailing auditory component. This natural timing relationship suggests that the point of subjective simultaneity (PSS) should occur at an auditory delay greater than or equal to 0 msec. A review of the literature suggests that PSS estimates derived from a temporal order judgment (TOJ) task differ from those derived from a synchrony judgment (SJ) task, with (unnatural) auditory-leading PSS values reported mainly for the TOJ task. We report data from two stimulus types that differed in terms of complexity--namely, (1) a flash and a click and (2) a bouncing ball and an impact sound. The same participants judged the temporal order and synchrony of both stimulus types, using three experimental methods: (1) a TOJ task with two response categories ("audio first" or "video first"), (2) an SJ task with two response categories ("synchronous" or "asynchronous"; SJ2), and (3) an SJ task with three response categories ("audio first," "synchronous," or "video first"; SJ3). Both stimulus types produced correlated PSS estimates with the SJ tasks, but the estimates from the TOJ procedure were uncorrelated with those obtained from the SJ tasks. These results suggest that the SJ task should be preferred over the TOJ task when the primary interest is i n perceived audio-visualsynchrony. 相似文献
30.
Most theorizing on the origin of the costs that are associated with task shifts focuses on local transitions between individual trials. In the present article we argue that this emphasis has resulted in a neglect of more global representational structures, which also determinate shift costs. To substantiate this claim, we employed a set of four tasks that results from a factorial combination of two types of judgment and two judgment-to-response mappings. From previous work it is known that this kind of task combination is associated with a characteristic profile of shift costs as a function of the relation between successive tasks. Previously we have interpreted this profile as an indication of a hierarchically ordered dimensional representation of the two types of judgment and the two judgment-to-response mappings. Such a representation can only be expected to emerge when the two task features, judgment and mapping, vary independently of each other within the same situation. It is shown that the characteristic shift cost profile can indeed only be observed when the performance of any of the four tasks is required in a block of trials. In contrast, with only two tasks occurring in each block of trials, shift costs do not reflect the relation between successive tasks. This finding confirms the importance of global representational structures as a determinant of shift costs beyond local transitions between individual trials. 相似文献