Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Separation of Sister Chromatids

Separation of Sister Chromatids

At the transition from prophase to metaphase, there is a reduction in cohesion along the chromosomal arms, resulting in the resolution of sister chromatids. However, residual cohesin connections remain to hold the sister chromatids together until the transition from metaphase to anaphase. The residual connection prevents any premature separation of sister chromatids, blocking the risks of aneuploidy within the daughter cells.
At the onset of anaphase, separase, a proteolytic enzyme, is...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

A cognitive diagnosis model for latent classification of bounded continuous variables.

The British journal of mathematical and statistical psychology·2026

Same author

A general diagnostic modelling framework for forced-choice assessments.

The British journal of mathematical and statistical psychology·2025

Same author

A dual process item response theory model for polytomous multidimensional forced-choice items.

The British journal of mathematical and statistical psychology·2023

Same author

Heading in the Right Direction? Examining the Relationship of Transfer Patterns and Income Status on College Student Outcomes.

Research in higher education·2023

Same author

Improving reliability estimation in cognitive diagnosis modeling.

Behavior research methods·2022

Same author

Bridging Parametric and Nonparametric Methods in Cognitive Diagnosis.

Psychometrika·2022

Same journal

babebi: An R Package for Bayesian Estimation and Validation in Small-N Two-Rater Pre-Post Designs.

Applied psychological measurement·2026

Same journal

A Tool for Agreement and Alignment Analysis in Binary Rating Tasks: The R Package scindex.

Applied psychological measurement·2026

Same journal

The EM Algorithm and Its Variants in Cognitive Diagnostic Models: Comparing Their Propensity for Boundaries, Extremes, Convergence, and Suboptimal Solutions.

Applied psychological measurement·2026

Same journal

When Perceptions of Social Desirability Differ: Implications for the Multidimensional Nominal Response Model of Faking.

Applied psychological measurement·2026

Same journal

csemGT: An R Package for Estimating Raw-Score Conditional Standard Errors of Measurement in Generalizability Theory.

Applied psychological measurement·2026

Same journal

Confirmatory Factor Analysis with Adaptive Quadrature Estimator Using Four Link Functions.

Applied psychological measurement·2026

See all related articles

Search research articles

Related Experiment Video

Updated: Jan 1, 2026

A Murine Model of Ischemic Retinal Injury Induced by Transient Bilateral Common Carotid Artery Occlusion

A Murine Model of Ischemic Retinal Injury Induced by Transient Bilateral Common Carotid Artery Occlusion

Published on: November 12, 2020

A Blocked-CAT Procedure for CD-CAT.

Mehmet Kaplan¹, Jimmy de la Torre²

¹Artvin Coruh University, Turkey.

Applied Psychological Measurement

|December 20, 2019

Summary

This summary is machine-generated.

This study introduces a blocked-design for cognitive diagnosis computerized adaptive testing (CD-CAT), allowing item review. This method shows promise with minimal impact on accuracy and can reduce test anxiety effects.

Keywords:

CD-CAT block design item review

More Related Videos

High-Resolution Cardiac Positron Emission Tomography/Computed Tomography for Small Animals

High-Resolution Cardiac Positron Emission Tomography/Computed Tomography for Small Animals

Published on: December 16, 2022

Gene Regulation and Targeted Therapy in Gastric Cancer Peritoneal Metastasis: Radiological Findings from Dual Energy CT and PET/CT

Gene Regulation and Targeted Therapy in Gastric Cancer Peritoneal Metastasis: Radiological Findings from Dual Energy CT and PET/CT

Published on: January 22, 2018

Related Experiment Videos

Last Updated: Jan 1, 2026

A Murine Model of Ischemic Retinal Injury Induced by Transient Bilateral Common Carotid Artery Occlusion

A Murine Model of Ischemic Retinal Injury Induced by Transient Bilateral Common Carotid Artery Occlusion

Published on: November 12, 2020

High-Resolution Cardiac Positron Emission Tomography/Computed Tomography for Small Animals

High-Resolution Cardiac Positron Emission Tomography/Computed Tomography for Small Animals

Published on: December 16, 2022

Gene Regulation and Targeted Therapy in Gastric Cancer Peritoneal Metastasis: Radiological Findings from Dual Energy CT and PET/CT

Gene Regulation and Targeted Therapy in Gastric Cancer Peritoneal Metastasis: Radiological Findings from Dual Energy CT and PET/CT

Published on: January 22, 2018

Area of Science:

Educational Measurement
Psychometrics
Computerized Adaptive Testing

Background:

Traditional computerized adaptive testing (CAT) often lacks item review functionality.
Cognitive Diagnosis Computerized Adaptive Testing (CD-CAT) aims to diagnose specific attributes.
Item review can potentially improve test-taker performance and reduce anxiety.

Purpose of the Study:

To introduce and evaluate a blocked-design procedure for CD-CAT that permits item review.
To investigate the impact of various factors (item quality, block size, etc.) on classification accuracy.
To assess the benefits of item review and its effect on test anxiety.

Main Methods:

Development of four blocking versions for CD-CAT.
Simulation studies to analyze classification rates under different conditions.
Comparison of item selection indices within the new blocked-design framework.
Examination of the influence of item review on attribute classification accuracy.

Main Results:

The blocked-design CD-CAT procedure is promising, with item review causing only minor accuracy losses in certain scenarios.
The procedure effectively alleviates the negative impact of test anxiety on examinee performance.
Factors such as item quality and block size influence classification accuracy.

Conclusions:

Blocked-design CD-CAT with item review is a viable approach for cognitive diagnosis.
Allowing item review offers benefits in terms of test-taker experience and anxiety reduction.
Further research can optimize blocking strategies and item selection for enhanced CD-CAT.