Technical Aspects

Table of Contents

Technical Aspects

TRAINED EVALUATORS

TEST SELECTION

PURPOSE OF THE TEST

TEST NORMS

NORM GROUPS

WHEN THE EVALUATOR

CORRELATIONS

CORRELATIONS (cont.)

PPT Slide

RELIABILITY

RELIABILITY

STANDARD ERROR OF MEASUREMENT(SEM)

When you look at a test score, you are actually looking at an observed score.

EXPRESSING RELIABILITY

VALIDITY

Types of Validity

Types of Validity

LOCATING INFO ABOUT TESTS

LOCATING INFO ABOUT TESTS (cont.)

LOCATING INFO ABOUT TESTS (cont.)

ALTERATIONS TO STANDARDIZED PROCEDURES

IF ALTERED, STANDARDIZATION HAS BEEN BROKEN

OBTAINING TEST SCORES

TYPES OF DERIVED SCORES

Quick test: How many rectangles?

What can we learn from that test?

Email: cwissick@sc.edu

Home Page: http://www.ed.sc.edu/caw/edex790.html

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Technicals Aspects: Slide show prepared for EDEX 790 Introduction to Assessment

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