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1.
Data often contain periodic components plus random variability. Walsh analysis reveals periodicities by fitting rectangular functions to data. It is analogous to Fourier analysis, which represents data as sine and cosine functions. For many behavioral measures, Fourier transforms can produce spurious peaks in power spectra and fail to resolve separable components. Walsh analysis is superior for strongly discontinuous data. The strengths and weaknesses of each transform are discussed, and specific algorithms are given for the newer Walsh technique. 相似文献
2.
Donald G. York 《Zygon》1995,30(3):477-478
Abstract. Frank Tipler's The Physics of Immortality provides abundant cause for intellectual offense—including challenges to physics, to theology, and, seemingly, to common sense. Few philosophical conundrums remain unaddressed. Still, the book is stimulating and well presented. 相似文献
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Animal Cognition - When choosing among multi-attribute options, integrating the full information may be computationally costly and time-consuming. So-called non-compensatory decision rules only... 相似文献
5.
Laura?Barca Cristina?BuraniEmail author Lisa?S.?Arduino 《Behavior research methods》2002,34(3):424-434
The present study describes normative measures for 626 Italian simple nouns. The database (LEXVAR. XLS) is freely available for down-loading on the Web site http://wwwistc.ip.rm.cnr.it/material/ database/. For each of the 626 nouns, values for the following variables are reported: age of acquisition, familiarity, imageability, concreteness, adult written frequency, child written frequency, adult spoken frequency, number of orthographic neighbors, mean bigram frequency, length in syllables, and length in letters. A classification of lexical stress and of the type of word-initial phoneme is also provided. The intercorrelations among the variables, a factor analysis, and the effects of variables and of the extracted factors on word naming are reported. Naming latencies were affected primarily by a factor including word length and neighborhood size and by a word frequency factor. Neither a semantic factor including imageability, concreteness, and age of acquisition nor a factor defined by mean bigram frequency had significant effects on pronunciation times. These results hold for a language with shallow orthography, like Italian, for which lexical nonsemantic properties have been shown to affect reading aloud. These norms are useful in a variety of research areas involving the manipulation and control of stimulus attributes. 相似文献
6.
Thomas?W.?MillerEmail author Robert?F.?Kraus Chelsea?A.?York 《Journal of Contemporary Psychotherapy》2005,35(4):347-357
Health-focused psychotherapy offers a contemporary model used in assessment, treatment planning and evaluation in addressing
patients with both medical and psychiatric diagnoses. Clinicians in the health and mental health disciplines must know and
understand the importance of standards of care and models of intervention and evaluation in clinical practice for this type
of patient. Examined is the use of a specific model providing a tailored orientation to patient education, along with the
development and use of a clinical algorithm and care pathway for clinical practice. Provided is a case study for applying
the development and use of a clinical algorithm and care pathway for a dual diagnosed patient receiving health-focused psychotherapy. 相似文献
7.
In the tradition of substructural logics, it has been claimed for a long time that conjunction and inclusive disjunction are ambiguous:we should, in fact, distinguish between ‘lattice’ connectives (also called additive or extensional) and ‘group’ connectives (also called multiplicative or intensional). We argue that an analogous ambiguity affects the quantifiers. Moreover, we show how such a perspective could yield solutions for two well-known logical puzzles: McGee’s counterexample to modus ponens and the lottery paradox. 相似文献
8.
A necessary and sufficient condition is given in this paper for the existence and uniqueness of the maximum likelihood (the
so-called joint maximum likelihood) estimate of the parameters of the Partial Credit Model. This condition is stated in terms
of a structural property of the pattern of the data matrix that can be easily verified on the basis of a simple iterative
procedure. The result is proved by using an argument of Haberman (1977).
The author wishes to thank the Editor and the anonymous reviewers for their comments that helped to substantially improve
the final version of this paper.
This research was supported in part by a MURST grant (ex 60%). 相似文献
9.
The assumptions underlying item response theory (IRT) models may be expressed as a set of equality and inequality constraints on the parameters of a latent class model. It is well known that the same assumptions imply that the parameters of the manifest distribution have to satisfy a more complicated set of inequality constraints which, however, are necessary but not sufficient. In this paper, we describe how the theory for likelihood-based inference under equality and inequality constraints may be used to test the underlying assumptions of IRT models. It turns out that the analysis based directly on the latent structure is simpler and more flexible. In particular, we indicate how several interesting extensions of the Rasch model may be obtained by partial relaxation of the basic constraints. An application to a data set provided by Educational Testing Service is used to illustrate the approach.We thank Dr. Gorman and Dr. Rogers of the Educational Testing Service for providing the data analyzed in Section 4. We also thank three reviewers for comments and suggestions.This revised article was published online in August 2005 with the PDF paginated correctly. 相似文献
10.
David Chalmerss version of two-dimensional semantics is an attempt at setting up a unified semantic framework that would vindicate both the Fregean and the Kripkean semantic intuitions. I claim that there are three acceptable ways of carrying out such a project, and that Chalmerss theory does not coherently fit any of the three patterns. I suggest that the theory may be seen as pointing to the possibility of a double reading for many linguistic expressions (a double reading which, however, is not easily identified with straightforward semantic ambiguity). 相似文献