Exploring Teachers' Understanding of Graphical Representations of Group Performance

Author(s):

Zapata-Rivera, Diego; Vezzu, Margaret; VanWinkle, Waverely Hester

Publication Year:

2013

Report Number:

RM-13-04

Source:

ETS Research Memorandum

Document Type:

Report

Page Count:

32

Subject/Key Words:

Graphical Representations, Distribution of Scores, Design and Evaluation of Score Reports, Score Reports for Teachers

Abstract

Every year in the United States, millions of score reports are produced and delivered to teachers, students, parents, school administrators, and policymakers. Research shows that many educators have trouble understanding and making appropriate use of score reports. This paper evaluates three graphical representations of test score distribution. Results of a usability study and a study evaluating these three graphical representations are presented and discussed.

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