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91.
Mathematical models of cognition often contain unknown parameters whose values are estimated from the data. A question that
generally receives little attention is how informative such estimates are. In a maximum likelihood framework, standard errors
provide a measure of informativeness. Here, a standard error is interpreted as the standard deviation of the distribution
of parameter estimates over multiple samples. A drawback to this interpretation is that the assumptions that are required
for the maximum likelihood framework are very difficult to test and are not always met. However, at least in the cognitive
science community, it appears to be not well known that standard error calculation also yields interpretable intervals outside
the typical maximum likelihood framework. We describe and motivate this procedure and, in combination with graphical methods,
apply it to two recent models of categorization: ALCOVE (Kruschke, 1992) and the exemplar-based random walk model (Nosofsky
& Palmeri, 1997). The applications reveal aspects of these models that were not hitherto known and bring a mix of bad and
good news concerning estimation of these models. 相似文献
92.
In this article, we derive a nonparametric prediction from decision-bound theory (DBT). The crucial aspect that is tested is whether or not familiarity of a stimulus affects response time in categorization. We show that, for our design, DBT, extended with some reasonable and testable assumptions, predicts no familiarity effect. Our prediction is nonparametric in that, rather than fit a specific instantiation of general DBT, we posit only some general assumptions of this theory and derive the prediction from these assumptions. It is found that familiarity did have a strong impact on response time for at least half of our participants. We suggest that DBT is in itself incomplete and should be extended to account for the full range of available data. 相似文献
93.
Gert J.J. Biesta 《Studies in Philosophy and Education》1999,18(4):203-220
This article addresses the question how educational theory can overcome the assumptions of the tradition of the philosophy of consciousness, a tradition which can be seen as the foundation of the modern project of education. While twentieth century philosophy has seen several attempts to make a shift from consciousness to intersubjectivity (Dewey, Wittgenstein, Habermas) it is argued that this shift still remains within the humanistic tradition of modern thought in that it still tries to define, still tries to develop a theory about the human subject. Foucault's thesis of the end of man is interpreted as an attempt to move beyond humanism, an attempt motivated by a sincere concern for the humanity of the subject. Starting from the question as to who comes after the subject, several answers to this question, which all share an interest in the question as to where the subject comes into presence, are discussed (referring to the writings of Tschumi, Arendt and Levinas). In the concluding section it is argued that one way to move beyond the humanistic tradition of modern thought is to conceive of the subject in terms of responsibility and ethics (Levinas) and to conceive of the very task of theory in terms of justice, and not in terms of truth. This, so it is argued, should be the final concern for educational theory and curriculum theory. 相似文献
94.
95.
Sascha Schwarz Lisa Klümper Markus Thomas Jansen Maria Agthe 《Social and Personality Psychology Compass》2023,17(12):e12914
Violations against mitigation actions to prevent the spreading of the SARS-CoV-2 virus causing COVID-19, such as not wearing a mask or not practicing social distancing, were seen as immoral and could also increase the likelihood of spreading the virus. In two studies (N1 = 318, N2 = 293), we found that moral and pathogen disgust sensitivity differentially predicted perceptions of such COVID-19 violations against mitigation actions, framed as a moral, pathogen, or on a good-bad dimension, albeit in a less specific way than initially hypothesized (e.g., regarding the pathogenic framed violations, not only pathogen but also moral disgust was associated with higher perceptions of infectiousness). These results suggest that individual differences, especially in pathogen disgust (and, more inconsistently, moral disgust), are important when evaluating violations against mitigation actions. Further research on the role of moral disgust is needed. 相似文献
96.
Active social communication is an effective way for infants to learn about the world. Do pre‐verbal and pre‐pointing infants seek epistemic information from their social partners when motivated to obtain information they cannot discover independently? The present study investigated whether 12‐month‐olds (N = 30) selectively seek information from knowledgeable adults in situations of referential uncertainty. In a live experiment, infants were introduced to two unfamiliar adults, an Informant (reliably labeling objects) and a Non‐Informant (equally socially engaging, but ignorant about object labels). At test, infants were asked to make an impossible choice—locate a novel referent among two novel objects. When facing epistemic uncertainty—but not at other phases of the procedure—infants selectively referred to the Informant rather than the Non‐Informant. These results show that pre‐verbal infants use social referencing to actively and selectively seek information from social partners as part of their interrogative communicative toolkit. A video abstract of this article can be viewed at https://youtu.be/23dLPsa-fAY 相似文献
97.
98.
This study examined implicit and explicit attitudes toward high-fat foods in obese (n = 30) and normal-weight controls (n = 31). The Implicit Association Test (A. G. Greenwald, D. E. McGee, & J. L. K. Schwartz, 1998) was used to measure the differential association of the 2 target categories--high-fat vs. low-fat food words--with an attribute dimension (positive vs. negative). Results suggest that obese people are characterized by a significantly stronger implicit negative attitude toward high-fat foods than are normal-weight controls. This implicit negative attitude is contradictory to their preferences and behavior: Several studies indicate that obese people prefer and consume high-fat foods. Apparently, obese people like the taste of high-fat foods but not the fat content itself, not only on the explicit but also on the implicit level. 相似文献
99.
The development of children's rule use on the balance scale task 总被引:6,自引:0,他引:6
Cognitive development can be characterized by a sequence of increasingly complex rules or strategies for solving problems. Our work focuses on the development of children's proportional reasoning, assessed by the balance scale task using Siegler's (1976, 1981) rule assessment methodology. We studied whether children use rules, whether children of different ages use qualitatively different rules, and whether rules are used consistently. Nonverbal balance scale problems were administered to 805 participants between 5 and 19 years of age. Latent class analyses indicate that children use rules, that children of different ages use different rules, and that both consistent and inconsistent use of rules occurs. A model for the development of reasoning about the balance scale task is proposed. The model is a restricted form of the overlapping waves model (Siegler, 1996) and predicts both discontinuous and gradual transitions between rules. 相似文献
100.
In this study we examined the factor structure of the Child Behavior Checklist (CBCL) filled out by group care workers. Group care workers' judgements were collected on 846 children and adolescents treated in various residential settings in The Netherlands. Using confirmatory factor analysis, we were able to show that the original CBCL factor model based on parental judgments of child behavior also fits for the judgments of group care workers. This means that the well known 8 narrow-band syndromes (Withdrawn, Somatic Complaints, etc.) as well as the 2 broad-band syndromes (Internalizing and Externalizing) can be used to interpret the CBCL scores of group care workers. This confirmation of the CBCL factor structure is a first step to add a group care worker version to the CBCL family. However, as a second step, normative data need to be gathered to further enhance the use of the CBCL for group care workers. 相似文献