Theories and Methods

2021

  • 11-02     Quick Guide for R (slides, codes, example data)

  • 2019

  • 05-28     Basic Knowledge of Classification Accuracy and Consistency (slides)
  • 03-05     Multi-level Rregression (slides)
  • 03-02     Latent Profile Analysis (slides)

  • 2018

  • 11-19     Multidimensional Item Response Theory (slides)
  • 06-14     Latent Class Analysis (slides)

  • Presentations for Seminar

    (sharing some awesome papers I read with my colleagues)

    2024

  • 01-22     On Longitudinal Item Response Theory Models: A Didactic (slides)

  • 2023

  • 11-06     A Reinforcement Learning Approach to Personalized Learning Recommendation Systems (slides)
  • 05-15     Mapping Unobserved Item-Respondent Interactions: A Latent Space Item Response Model with Interaction Map (slides)

  • 2022

  • 12-10     A Psychometric Model for Respondent-level Anchoring on Self-report Rating Scale Instruments (slides)
  • 10-12     Application of Change Point Analysis of Response Time Data to Detect Test Speededness (slides)
  • 05-13     A New Person-fit Method Based on Machine Learning in CDM (slides)
  • 03-18     A Hierarchical Latent Response Model for Inferences about Examinee Engagement (slides)
  • 01-07     Using Response Times and Response Accuracy to Measure Fluency within CDMs (slides)

  • 2021

  • 11-26     The Lognormal Race: A Cognitive-process Model of Choice and Latency (slides)
  • 10-15     Cognitive Psychology Meets Psychometric Theory (slides)
  • 06-18     Modelling Conditional Dependence between Response Time and Accuracy (slides)
  • 05-07     Sequential Detection of Compromised Items Using Response Times in CAT (slides)
  • 03-19     Modeling Differences between Response Times of Correct and Incorrect Responses (slides)
  • 01-18     A Continuous a-Stratification Index for Item Exposure Control in CAT (slides)

  • 2020

  • 11-23     Optimizing the Use of Response Times for Item Selection in CAT (slides)
  • 09-28     Look-ahead Content Balancing Method in Variable-length Computerized Classification Testing (slides)
  • 06-24     Attribute-Level and Pattern-Level Classification Consistency and Accuracy Indices for Cognitive Diagnostic Assessment (slides)
  • 05-27     Item Selection Methods Based on Multiple Objective Approaches for Classifying Respondents Into Multiple Levels (slides)
  • 05-06     Classification Consistency and Accuracy With Atypical Score Distributions (slides)
  • 04-15     Classification Consistency and Accuracy for Mixed-Format Tests (slides)

  • 2019

  • 07-15     Sequential Cognitive Diagnosis Model (slides)

  • 2018

  • 04-03     SEs and CIs of Norm Statistics for Educational and Psychological Tests (slides)