Document Type

Thesis

Degree

Master of Science (MS)

Major/Program

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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