作者: 騎師 時間: 2025-3-21 22:38 作者: compel 時間: 2025-3-22 04:01 作者: PAGAN 時間: 2025-3-22 06:03
Rehab Al Hakmani,Yanyan Shengmathematics, inverse problems in control systems theory-has become a major issue at the System and Decision Sciences Research Program of the International Insti- tute for Applied Systems Analysis. The above topics actually reflect two different perspectives in the investigation of dynamic processes.作者: 變化 時間: 2025-3-22 11:40 作者: 障礙物 時間: 2025-3-22 15:29 作者: 不真 時間: 2025-3-22 19:24
Yanming Jiangory and largely ignore others. In particular, we focus our attention on finite dimensional systems of difference and differential equations and say almost nothing about infinite dimensional systems. The reader interested in the infinite dimensional theory and its applications should consult the rece作者: 爭吵加 時間: 2025-3-22 22:41 作者: BOOM 時間: 2025-3-23 03:17 作者: FRAX-tool 時間: 2025-3-23 06:33 作者: 卡死偷電 時間: 2025-3-23 12:33
Conference proceedings 2019nd peer reviewed presentations given at the 83rd Annual International Meeting of the Psychometric Society (IMPS), organized by Columbia University and held in New York, USA July 9th to 13th, 2018..The IMPS is one of the largest international meetings on quantitative measurement in education, psychol作者: 讓你明白 時間: 2025-3-23 16:16
A Taxonomy of Item Response Models in Psychometrika,ultidimensional item response theory models were employed in 11% of the articles. Familiarity with each of more complicated item response theory models may gradually increase the percentage of accessible articles. Another classification based on recent articles is proposed and discussed. Guiding principles for the taxonomy are also discussed.作者: mighty 時間: 2025-3-23 19:54
Assessing the Dimensionality of the Latent Attribute Space in Cognitive Diagnosis Through Testing fribute space by checking for conditional independence of the items of a test with parametric cognitive diagnosis models. The performance of the Mantel-Haenszel statistic is evaluated in simulation studies based on its Type-I-error rate and power.作者: Stress-Fracture 時間: 2025-3-24 00:38 作者: ELUC 時間: 2025-3-24 05:26 作者: 滑稽 時間: 2025-3-24 09:57 作者: 流動才波動 時間: 2025-3-24 12:45 作者: 杠桿 時間: 2025-3-24 16:18 作者: 不近人情 時間: 2025-3-24 21:57 作者: 極肥胖 時間: 2025-3-25 02:46 作者: Aphorism 時間: 2025-3-25 07:01 作者: 不成比例 時間: 2025-3-25 11:22 作者: 感情脆弱 時間: 2025-3-25 14:06
Utilizing Response Time in On-the-Fly Multistage Adaptive Testing,popularity. While CAT selects each item on-the-fly and MST bundles items to pre-assembled modules, OMST assembles modules on-the-fly after the first stage. Since item selection algorithms play a crucial role in latent trait estimation and test security in CAT designs, given the availability of respo作者: unstable-angina 時間: 2025-3-25 16:42
Heuristic Assembly of a Classification Multistage Test with Testlets,s. Testlet refers to a group of items sharing the same piece of stimulus. As MST can include an entire testlet in one module, fewer stimuli are required than items. On the other hand, computerized adaptive testing (CAT) selects item one by one, thus excludes the possibility of several items sharing 作者: JEER 時間: 2025-3-25 23:13 作者: Projection 時間: 2025-3-26 00:53
Investigation of the Item Selection Methods in Variable-Length CD-CAT,, there are only a limited numbers of previous studies investigating how to optimally assemble cognitive diagnostic tests. The cognitive discrimination index (CDI) and attribute-level discrimination index (ADI) are commonly used to select items for cognitive diagnostic tests. The CDI measures an ite作者: dysphagia 時間: 2025-3-26 07:58
A Copula Model for Residual Dependency in DINA Model,not robust to violations of local item independence. Many approaches have been proposed to deal with the local item dependence (LID), such as conditioning on other responses and additional random effects (Hansen In Hierarchical item response models for cognitive diagnosis. University of California, 作者: 譏笑 時間: 2025-3-26 11:05 作者: Armory 時間: 2025-3-26 13:21
An Attribute-Specific Item Discrimination Index in Cognitive Diagnosis,ute-specific item discrimination index as a measure of correct classification rate of attributes based on a q-vector, item parameters, and the distribution of attribute patterns. First, an attribute-specific item discrimination index was introduced. Second, a heuristic method was presented using the作者: ANIM 時間: 2025-3-26 20:20
Assessing the Dimensionality of the Latent Attribute Space in Cognitive Diagnosis Through Testing fterizing a particular ability domain is often referred to as the latent attribute space. The correct specification of the latent attribute space is essential in cognitive diagnosis because misspecifications of the latent attribute space result in inaccurate parameter estimates, and ultimately, in th作者: morale 時間: 2025-3-26 22:43
Comparison of Three Unidimensional Approaches to Represent a Two-Dimensional Latent Ability Space,sult in, either unintentionally or intentionally, multidimensional response data. Despite this realization, many standardized tests report a single score which follows from fitting a unidimensional model to the response data. This process is justified with the understanding that the response data, w作者: 緯線 時間: 2025-3-27 03:14
Comparison of Hyperpriors for Modeling the Intertrait Correlation in a Multidimensional IRT Model,sian framework. An important goal in fitting a MIRT model is to accurately estimate the interrelationship among multiple latent traits. In Bayesian hierarchical modeling, this is realized through modeling the covariance matrix, which is typically done via the use of an inverse Wishart prior distribu作者: GOAT 時間: 2025-3-27 08:17
Statistical Considerations for Subscore Reporting in Multistage Testing,ze relative to the number of items required for an MST and statistical properties of items. Results indicated that the factors that most influenced subscore reliability and subscore estimates were subtest length, item pool size, and the degree of item discrimination.作者: 難管 時間: 2025-3-27 09:59
2194-1009 item response theory, multistage adaptive testing and cognit.This proceedings volume highlights the latest research and developments in psychometrics and statistics. This book compiles and expands on selected and peer reviewed presentations given at the 83rd Annual International Meeting of the Psych作者: 售穴 時間: 2025-3-27 15:05
Explanatory Item Response Theory Models: Impact on Validity and Test Development?, (Embretson in Educ Meas Issues Pract 35, 6–22, .). In this framework, the . aspect of validity impacts other aspects. Studies on a fluid intelligence test are presented to illustrate the relevancy of explanatory IRT models to validity, as well as to test development.作者: Schlemms-Canal 時間: 2025-3-27 17:53
Controlling Acquiescence Bias with Multidimensional IRT Modeling,, the validity of the resulting scores is one issue that is sometimes ignored. In this paper, we present an application of these approaches under both balanced and unbalanced scales, and we report changes in criterion validity and respondent scores.作者: Ingenuity 時間: 2025-3-28 01:12
TestGardener: A Program for Optimal Scoring and Graphical Analysis,ristics curves (ICCs) that better fit the real data. Using TestGardner does not require any programming skill or formal statistical knowledge, which will make optimal scoring and item response theory more approachable for test analysts, test developers, researchers, and general public.作者: mastoid-bone 時間: 2025-3-28 05:06
Seock-Ho Kim,Minho Kwak,Meina Bian,Zachary Feldberg,Travis Henry,Juyeon Lee,Ibrahim Burak Olmez,Yaweperties, and related problems in the qualitative theory of differential systems). Special stress is given to the applications of non- linear dynamic systems the978-3-540-17698-5978-3-662-00748-8Series ISSN 0075-8442 Series E-ISSN 2196-9957 作者: 過剩 時間: 2025-3-28 10:03 作者: CUR 時間: 2025-3-28 12:06
Ricardo Primi,Nelson Hauck-Filho,Felipe Valentini,Daniel Santos,Carl F. Falkperties, and related problems in the qualitative theory of differential systems). Special stress is given to the applications of non- linear dynamic systems the978-3-540-17698-5978-3-662-00748-8Series ISSN 0075-8442 Series E-ISSN 2196-9957 作者: 集合 時間: 2025-3-28 16:18 作者: Limited 時間: 2025-3-28 20:05 作者: Monolithic 時間: 2025-3-28 23:17
IRT Scales for Self-reported Test-Taking Motivation of Swedish Students in International Surveys,the latent motivation scale for PISA than for TIMSS Advanced. Overall, the test-taking motivation items fit well the purpose of a diagnostic of test-taking motivation in these two surveys and the proposed scales highlighted the slight increase of pupils’ motivation across the assessment cycles.作者: 偶然 時間: 2025-3-29 06:54
A Modification of the IRT-Based Standard Setting Method,ulated and in the next step, joint weighted averaged ICC are calculated. The cutoff score is determined by finding the ability where the joint weighted averaged ICC reach a certain predefined probability level. This paper compares the performance of this new procedure for a math test with the classi作者: 我怕被刺穿 時間: 2025-3-29 07:15 作者: SLUMP 時間: 2025-3-29 12:33
Utilizing Response Time in On-the-Fly Multistage Adaptive Testing,f RT-oriented item selection methods in OMST was consistent with CAT. But the underlying item bank structure and test design features can make a huge difference with respect to estimation accuracy and test security.作者: 商談 時間: 2025-3-29 16:25 作者: 中和 時間: 2025-3-29 22:30
Investigation of the Item Selection Methods in Variable-Length CD-CAT,ome examinees need to take more items and some need to take fewer items than others do. To achieve the same precision for examinees, this study investigated the performance of the constraint-weighted procedure with the posterior-weighted CDI and ADI for item selection in variable-length CD-CAT throu作者: Limited 時間: 2025-3-30 00:49 作者: 抵制 時間: 2025-3-30 07:35
An Attribute-Specific Item Discrimination Index in Cognitive Diagnosis,ol to evaluate the quality of diagnostic items. It will be valuable to explore the applications and advantages of using the new index for developing an item selection algorithm or a termination rule in cognitive diagnostic computerized adaptive testing.作者: Osteoarthritis 時間: 2025-3-30 09:31 作者: 飛鏢 時間: 2025-3-30 14:47 作者: ANTH 時間: 2025-3-30 19:43 作者: duplicate 時間: 2025-3-30 23:02
s to investigate generic properties of dynamic systems that are due to nonlinearity (as bifurcations theory, chaotic behavior, stability properties, and related problems in the qualitative theory of differential systems). Special stress is given to the applications of non- linear dynamic systems the作者: 頭腦冷靜 時間: 2025-3-31 03:44 作者: 修飾語 時間: 2025-3-31 07:44
Yanming Jiange of dynamical systems. We do make an effort to consider applications of the mathematical phenomena illustrated. For general background about the theory of dynamical systems consult [102]. Our style is informal and our intent is pedagogic. The current state of bifurcation theory is a mixture of math作者: Nmda-Receptor 時間: 2025-3-31 13:12 作者: Exposition 時間: 2025-3-31 15:48 作者: Acupressure 時間: 2025-3-31 20:47 作者: probate 時間: 2025-4-1 00:56
