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1.
It has been suggested that the systematic decline of partial report as the delay of the partial-report cue increases is due to a time-related loss of location information. Moreover, the backward masking effect is said to be precipitated by the disruption of location information before and after identification. Results from three experiments do not support these claims when new indices of location information and of item information are used. Instead, it was found that the systematic decline in partial report was due to a time-related loss of item information, and location information was affected neither by the delay of the partial-report cue nor by the delay of backward masking. Subjects adopted the "select-then-identify" mode of processing. 相似文献
2.
Siu L. Chow 《Memory & cognition》1994,22(5):525-532
Using a signal-detection task, the generality of Turvey’s (1973) onset-onset rule was tested in our experiments. After seeing, in succession, (1) one or two letters (target display), (2) a multiletter detection display, and (3) a mask display, subjects decided whether or not the letter or letters in the target display reappeared in the succeeding detection display at different levels of detection-display duration in various situations. The subjects’ sensitivity was inconsistent with the onset-onset rule. More specifically, sensitivity increased with increases in display duration within a fixed stimulus onset asynchrony of 150 msec. Display duration, however, had no effect on response bias. Nor was there any interaction between display duration and display size in terms of either sensitivity or response bias. The more complicated relationship between display duration and display size does not invalidate the departure from the onset-onset rule. 相似文献
3.
It is shown that deterministic models can compete effectively with stochastic models in summarizing concept identification behavior. Three groups of deterministic models are examined. Examination of individual learners' trial by trial behavior in a concept experiment shows: (1) One person exhibited behavior consistent with a Hypothesis Permutation (HP) model despite being a nonlearner who showed no evidence of improvement over a period of 24 trials. However, when all 50 persons studied in each of two treatment groups were examined, only 22 members of one group and 10 of the other showed no inconsistencies with deterministic local consistency assumptions. (2) Certain deterministic computer programs could find at least one satisfactory order for predicting all responses by 18 of the 22 consistent solvers and 6 of the 10 consistent solvers, respectively, in the two groups just mentioned. For these 24 persons, then, a less restrictive deterministic model is adequate than for the others. (3) Those 38 original members of the first treatment group who met a stringent learning criterion were compared with respect to predictions generated by stochastic and mathematized deterministic models. One deterministic model (RSS-U 9-state) is in some respects the best of the models examined, but this success is a partial reflection of estimating eight parameters from the data. 相似文献
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Philosophia - Thomas Christiano argues that democracies acquire a right to rule by being the unique embodiment of publicly accessible rules. Justice requires the equal advancement of the interests... 相似文献
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Linying Ji Sy-Miin Chow Brian Crosby Douglas M. Teti 《Multivariate behavioral research》2020,55(1):150-151
8.
Chow SL 《The Behavioral and brain sciences》1998,21(2):169-94; discussion 194-239
The null-hypothesis significance-test procedure (NHSTP) is defended in the context of the theory-corroboration experiment, as well as the following contrasts: (a) substantive hypotheses versus statistical hypotheses, (b) theory corroboration versus statistical hypothesis testing, (c) theoretical inference versus statistical decision, (d) experiments versus nonexperimental studies, and (e) theory corroboration versus treatment assessment. The null hypothesis can be true because it is the hypothesis that errors are randomly distributed in data. Moreover, the null hypothesis is never used as a categorical proposition. Statistical significance means only that chance influences can be excluded as an explanation of data; it does not identify the nonchance factor responsible. The experimental conclusion is drawn with the inductive principle underlying the experimental design. A chain of deductive arguments gives rise to the theoretical conclusion via the experimental conclusion. The anomalous relationship between statistical significance and the effect size often used to criticize NHSTP is more apparent than real. The absolute size of the effect is not an index of evidential support for the substantive hypothesis. Nor is the effect size, by itself, informative as to the practical importance of the research result. Being a conditional probability, statistical power cannot be the a priori probability of statistical significance. The validity of statistical power is debatable because statistical significance is determined with a single sampling distribution of the test statistic based on H0, whereas it takes two distributions to represent statistical power or effect size. Sample size should not be determined in the mechanical manner envisaged in power analysis. It is inappropriate to criticize NHSTP for nonstatistical reasons. At the same time, neither effect size, nor confidence interval estimate, nor posterior probability can be used to exclude chance as an explanation of data. Neither can any of them fulfill the nonstatistical functions expected of them by critics. 相似文献
9.
Facial electromyography (EMG) is a useful physiological measure for detecting subtle affective changes in real time. A time
series of EMG data contains bursts of electrical activity that increase in magnitude when the pertinent facial muscles are
activated. Whereas previous methods for detecting EMG activation are often based on deterministic or externally imposed thresholds,
we used regime-switching models to probabilistically classify each individual’s time series into latent “regimes” characterized
by similar error variance and dynamic patterns. We also allowed the association between EMG signals and self-reported affect
ratings to vary between regimes and found that the relationship between these two markers did in fact vary over time. The
potential utility of using regime-switching models to detect activation patterns in EMG data and to summarize the temporal
characteristics of EMG activities is discussed. 相似文献
10.
Current theories of gratitude suggest that individuals feel grateful when they perceive someone else to be responsible for a desired outcome. However, it is unclear whether individuals must also feel a lack of personal responsibility in order to feel gratitude. This paper provides evidence that in achievement contexts, without the belief that they are responsible for their success, individuals do not experience gratitude, even when they acknowledge the help they have received. In two studies, the more helpful participants thought an experimenter had been, the more grateful they felt, but only if they also spontaneously felt responsible for (Study 1) or were induced to feel responsible for (Study 2) their outcomes. 相似文献