ID: 59250
Creador: MELIA NAVARRO, JOSE LUIS
Categoría: PsicologĂa
Clasificación Unesco: PsicologĂa::EvaluaciĂłn y diagnĂłstico en psicologĂa::PsicometrĂa
Descripción: 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.
Etiquetas: Psychometrics IRT CTT
Resolucion:
Puntuación: Sense puntuacio (puntuar).
Licencia CC: Reconocimiento - NoComercial (by-nc)a
Visitas: 34
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.
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.
10.4 Bias in Selection”, slide 6 Please open the Document “T10.4 Bias in selection”, slide number 6. Read it carefully, and study the graph displayed to understand how it works before to listen to this podcast. - Student’s question: On “T10.4 Bias in Selection”, slide 6, in the graph, the majority group is said to give underpredicted values and the minority group is said to give overpredicted values. Is it true or is it that the majority group gives overpredicted values and the contrary for the minority group? Kind regards.
How to calculate the probability of a correct answer given a logistic model (1PL, 2PL, and 3PL) Knowing the examinee's theta score and the item parameters, this video shows how to calculate and interpret the probability of a correct answer.
Postcasts explaining a selection of psychometric slides. www.uv.es/psicometria