Gaining a deeper understanding of the meaning of the carelessness parameter in the 4PL IRT model and strategies for estimating it

• Main Authors: Timbul Pardede (Author), Agus Santoso (Author), Diki Diki (Author), Heri Retnawati (Author), Ibnu Rafi (Author), Ezi Apino (Author), Munaya Nikma Rosyada (Author)
• Format: Book
• Published: Universitas Negeri Yogyakarta, 2023-06-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

Three popular models are used to describe the characteristics of the test items and estimate the ability of examinees under the dichotomous IRT model, namely the one-, two-, and three-parameter logistic models. The three-item parameters are discriminating power, difficulty, and pseudo-guessing. In t...