Document Type

Thesis

Degree

Master of Science (MS)

Department

Psychology

First Advisor's Name

Jesse Michel

First Advisor's Committee Title

Committee Chair

Second Advisor's Name

Chockalingam Viswesvaran

Third Advisor's Name

Victoria L. Pace

Keywords

reliability, inter-item correlations, meta-analysis

Date of Defense

11-20-2012

Abstract

My study investigated internal consistency estimates of psychometric surveys as an operationalization of the state of measurement precision of constructs in industrial and organizational (I/O) psychology. Analyses were conducted of samples used in research articles published in the Journal of Applied Psychology between 1975 and 2010 in five year intervals (K = 934) from 480 articles yielding 1427 coefficients. Articles and their respective samples were coded for test-taker characteristics (e.g., age, gender, and ethnicity), research settings (e.g., lab and field studies), and actual tests (e.g., number of items and scale anchor points). A reliability and inter-item correlations depository was developed for I/O variables and construct groups. Personality measures had significantly lower inter-item correlations than other construct groups. Also, internal consistency estimates and reporting practices were evaluated over time, demonstrating an improvement in measurement precision and missing data.

Identifier

FI13040901

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