نتایج جستجو برای: مدل dina

تعداد نتایج: 120348  

2014
Melanie Nind

This paper reports on aspects of a small-scale, UK-based study that investigated local discourses and practices operating for young children within a global context of commitment to inclusion. The study focused on parents of young children identified as having special educational needs, who opted for a combination of both inclusive and special early years settings to ‘get the best of both world...

Journal: :Journal of Critical Thought and Praxis 2020

2011
Tamar Diana Wilson Andrea Bradman

Holiday in Mexico: Critical Refl ections on Tourism and Tourist Encounters. Edited by Dina Berger and Andrew Grant Wood. Durham, NC: Duke University Press, 2010. Pp. xv + 393. $24.95 paper. $89.95 cloth. Economies of Desire: Sex and Tourism in Cuba and the Dominican Republic. By Amalia L. Cabezas. Philadelphia: Temple University Press, 2009. Pp. xii + 218. $24.95 paper. Negotiating Paradise: U....

هدف پژوهش حاضر تعیین مهارت‌های پایه آزمون خواندن و درک مطلب وتحلیل سوال‌های آزمون و درنهایت تعیین نقاط ضعف و قوت آزمودنی‌ها از طریق مدل‌های سنجش تشخیصی شناختی با تحلیل باز برازش بود. داده‌های مورد بررسی در این پژوهش شامل پاسخ‌نامه 3000 نفر از شرکت کنندگان در آزمون سراسری کارشناسی ارشد رشته زبان انگلیسی بود که از بین 16044 نفرشرکت کننده به تصادف انتخاب شده بود. در ابتدا با کمک نظر متخصصین یک مات...

Journal: :Journal of bacteriology 1991
D L Cheo K W Bayles R E Yasbin

DNA damage-inducible (din) genes in Bacillus subtilis are coordinately regulated and together compose a global regulatory network that has been termed the SOS-like or SOB regulon. To elucidate the mechanisms of SOB regulation, operator/promoter regions from three din loci (dinA, dinB, and dinC) of B. subtilis were cloned. Operon fusions constructed with these cloned din promoter regions rendere...

2008
I. Bandyopadhyay

Vertical Displacement Events (VDEs) and plasma current disruptions can seriously degrade the lifetime of in-vessel components in ITER, as large electromagnetic and thermal loads can be induced at such events. Hence, accurate modelling of such events is crucial for estimating disruption induced forces. In the past, ITER disruption modelling has been carried out using the DINA code. However, sinc...

2014
Hyokyoung Hong Chun Wang Youn Seon Lim Jeff Douglas

The issue of latent trait granularity in diagnostic models is considered, comparing and contrasting latent trait and latent class models used for diagnosis. Relationships between conjunctive cognitive diagnosis models (CDMs) with binary attributes and noncompensatory multidimensional item response models are explored, leading to a continuous generalization of the Noisy Input, Deterministic ‘‘An...

2017
Yuqi Gu Gongjun Xu

Cognitive Diagnosis Models (CDMs) are useful statistical tools in cognitive diagnosis assessment. However, as many other latent variable models, the CDMs often suffer from the non-identifiability issue. This work gives the sufficient and necessary condition for the identifiability of the basic DINA model, which not only addresses the open problem in Xu and Zhang (2016, Psychomatrika, 81:625-649...

2006
A. CHEVALIER

Vol. XLIII (August 2006), 345–354 345 © 2006, American Marketing Association ISSN: 0022-2437 (print), 1547-7193 (electronic) *Judith A. Chevalier is William S. Beinecke Professor of Finance and Economics (e-mail: [email protected]), and Dina Mayzlin is Assistant Professor of Marketing (e-mail: [email protected]), Yale School of Management. The authors thank the two anonymous JMR rev...

Journal: :Journal of the American Statistical Association 2015
Yunxiao Chen Jingchen Liu Gongjun Xu Zhiliang Ying

Diagnostic classification models have recently gained prominence in educational assessment, psychiatric evaluation, and many other disciplines. Central to the model specification is the so-called Q-matrix that provides a qualitative specification of the item-attribute relationship. In this paper, we develop theories on the identifiability for the Q-matrix under the DINA and the DINO models. We ...

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