Klaas Sijtsma – författare

Measurement Models for Psychological Attributes

Classical Test Theory, Factor Analysis, Item Response Theory, and Latent Class Models

New Developments in Categorical Data Analysis for the Social and Behavioral Sciences

Introduction to Nonparametric Item Response Theory

Introduction to Nonparametric Item Response Theory

Never Waste a Good Crisis

Lessons Learned from Data Fraud and Questionable Research Practices

Never Waste a Good Crisis

Lessons Learned from Data Fraud and Questionable Research Practices

Measurement Models for Psychological Attributes

Classical Test Theory, Factor Analysis, Item Response Theory, and Latent Class Models