In joint models for item response times (RTs) and response accuracy (RA), local item dependence is composed of local RA dependence and local RT dependence. The two components are usually caused by the same common stimulus and emerge as pairs.
Peida Zhan, Manqian Liao, Yufang Bian
doaj +1 more source
Learning Latent and Hierarchical Structures in Cognitive Diagnosis Models
Cognitive Diagnosis Models (CDMs) are a special family of discrete latent variable models that are widely used in educational and psychological measurement. A key component of CDMs is the Q-matrix characterizing the dependence structure between the items and the latent attributes.
Chenchen Ma, Jing Ouyang, Gongjun Xu
openaire +3 more sources
cdcatR: An R Package for Cognitive Diagnostic Computerized Adaptive Testing
Cognitive diagnosis models (CDMs) are confirmatory latent class models that provide fine-grained information about skills and cognitive processes. These models have gained attention in the last few years because of their usefulness in educational and ...
Miguel A. Sorrel +2 more
doaj +1 more source
Validation of the German Revised Addenbrooke's Cognitive Examination for Detecting Mild Cognitive Impairment, Mild Dementia in Alzheimer's Disease and Frontotemporal Lobar Degeneration [PDF]
Background/Aims: The diagnostic accuracy of the German version of the revised Addenbrooke's Cognitive Examination (ACE-R) in identifying mild cognitive impairment (MCI), mild dementia in Alzheimer's disease (AD) and mild dementia in frontotemporal lobar ...
Aguilar, C. A. +26 more
core +1 more source
Previous research has established links between chronic pain and impaired cognitive ability, as well as between chronic pain and anxiety, in osteoarthritis.
Afroditi Kouraki +3 more
doaj +1 more source
Cognitive and behavioural predictors of survival in Alzheimer disease:results from a sample of treated patients in a tertiary-referral memory clinic [PDF]
OBJECTIVE: This study examined the influence of cognitive and non-cognitive factors at the time of diagnosis on the survival of patients with treated probable Alzheimer Disease (AD).METHODS: Consecutive patients seen at a regional, tertiary-referral ...
Russ, Tom C; id_orcid +5 more
core +1 more source
The use of biomarkers for the etiologic diagnosis of MCI in Europe: an EADC survey [PDF]
We investigated the use of Alzheimer's disease (AD) biomarkers in European Alzheimer's Disease Consortium centers and assessed their perceived usefulness for the etiologic diagnosis of mild cognitive impairment (MCI).
Erikdotter, M +197 more
core +1 more source
BNMI-DINA: A Bayesian Cognitive Diagnosis Model for Enhanced Personalized Learning
In the field of education, cognitive diagnosis is crucial for achieving personalized learning. The widely adopted DINA (Deterministic Inputs, Noisy And gate) model uncovers students’ mastery of essential skills necessary to answer questions correctly ...
Yiming Chen, Shuang Liang
doaj +1 more source
Structure and correlates of cognitive aging in a narrow age cohort [PDF]
Aging-related changes occur for multiple domains of cognitive functioning. An accumulating body of research indicates that, rather than representing statistically independent phenomena, aging-related cognitive changes are moderately to strongly ...
Deary, Ian J +3 more
core +1 more source
Integrating Temporal Information Into Knowledge Tracing: A Temporal Difference Approach
Bayesian knowledge tracing (BKT), which is used to diagnose examinees' knowledge state quantitatively, plays an important role in intelligent tutoring systems.
Junhu Zhu +3 more
doaj +1 more source

