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Reliability and Validity Testing

Reliability and Validity Testing

Reliability and Validity Testing. Definitions. Validity - the extent to which a test measures what it is designed to measure Reliability - the extent to which a test or measure is reproducible. Validity. Logical (face) - how much the measure obviously involves the performance.

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532 views • 26 slides
VALIDITY AND RELIABILITY

VALIDITY AND RELIABILITY

VALIDITY AND RELIABILITY. Chapter Four. CHAPTER OBJECTIVES. Define validity and reliability Understand the purpose for needing valid and reliable measures Know the most utilized and important types of validity seen in special education assessment

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1.09k views • 23 slides
Creating Assessments

Creating Assessments

Creating Assessments. AKA how to write a test. Creating Assessments. All good assessments have three key features: Validity Reliability Usability. Reliability. Next to validity, reliability is the most important characteristic of assessment results. Why?

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175 views • 17 slides
Measurement

Measurement

Measurement. EDRS 6301 Summer 2001 Dr. Kielborn. Measurement. All measures contain error Random error leads to unreliability Systematic error leads to invalidity True Score = Obtained Score + Random Error. A true score is the real and unchanging measure of the human characteristic.

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154 views • 15 slides
Introduction

Introduction

Memory For Object Locations Among Boys With And Without ADHD Sarah G. Reck, Alycia M. Hund, & Steven Landau Illinois State University. Abstract

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72 views • 1 slides

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