A Conceptual Introduction to Item Response Theory: Part 1. The Logic of IRT Scoring
This is the first in a series of 6 modules that introduces item response theory (IRT). In it the differences in IRT and classical approaches are introduced, specifically the differences in their scoring logics.

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A Conceptual Introduction to Item Response Theory: Part 2. IRT Is a Probability Model

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A Conceptual Introduction to Item Response Theory: Part 3. Plotting Along

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A Conceptual Introduction to Item Response Theory: Part 4. Understanding Item Parameters

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Item Response Theory Introduction
![Item Response Theory: The Math Behind Standardized Tests [Lecture]](https://i.ytimg.com/vi/n4W4Gwwkbqg/hqdefault.jpg?sqp=-oaymwE9CNACELwBSFryq4qpAy8IARUAAAAAGAElAADIQj0AgKJDeAHwAQH4Af4JgALQBYoCDAgAEAEYZSBlKGUwDw==&rs=AOn4CLAv8PolNmE98UWGjZKFAfnoLZw-EQ)
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Item Response Theory: The Math Behind Standardized Tests [Lecture]

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CTT vs. IRT: What is the Difference?

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Twenty-Seven Percent: The Index of Discrimination

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AssessMinutes - Item Response Theory

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What role does Item Response Theory play in assessment?

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Trump Gets Booed & Falls Asleep During NBA Finals, Claims War is Almost Over & Goodbye Spencer Pratt

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An introduction to Rasch Measurement by Professor William Boone

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Structural Equation Modeling: what is it and what can we use it for? (part 1 of 6)

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Item Response Theory

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Train Your Brain to Never Forget (5 Feynman Habits)

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A Conceptual Introduction to Item Response Theory: Part 5. IRT Information

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Item response theory made easy with user-friendly jMetrik software | 1PL, 2PL, 3PL & 4PL

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The item characteristic curve

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Harvard Professor Explains The Rules of Writing — Steven Pinker

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