ID: 60038
Creador: MELIA NAVARRO, JOSE LUIS
Categoría: Psicología
Clasificación Unesco: Psicología::Evaluación y diagnóstico en psicología::Psicometría
Descripción: This audio podcast explains the different ways we may sketch an Item Characteristic Curve (ICC), even using just a pocket calculator and a piece of paper.
In Item Response Theory (IRT), an ICC is the graphical expression of a logistic function (like a 1PL 2PL or 3PL model) and shows the probability of the correct answer (P(Theta)) for every latent trait level (Theta).
Etiquetas: Psychometrics IRT CTT ICC 1PL 2PL 3PL
Resolucion:
Puntuación: Sense puntuacio (puntuar).
Licencia CC: Reconocimiento - NoComercial (by-nc)a
Visitas: 25
Potcasts explaining www.uv.es/psicometria documents. See document T12.4 slide 1.
Each logistic model (1PL, 2PL or 3PL) presents a definite way of Item Characteristic Curve. How to identify which logistic model to apply based on the ICC graphs? This podcast explains how to choose the logistic model based on the ICC graphs on slide 2 in the document T13.01.
Postcasts explaining a selection of psychometric slides. www.uv.es/psicometria
This podcast explains slide 2 from the document “T13.01. Information functions”. Contents: -Description and interpretation of a graph displaying the ICCs of two items. -Comparison of the two ICCs from the perspective of the item the discrimination.
This video explains slide 9 from the document P08.1. How to calculate the probability of agreement by chance between two raters, or between a prediction and the real result.