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Construction and preliminary validation of an inconsistent responding scale for the HEXACO-100
Alexa M Lambros1, David K Marcus1, Madeline G Nagel1
1Department of Psychology, Washington State University.
Psychological Assessment
|December 8, 2022
Summary
A new HEXACO Inconsistent Responding Test (HIRT) effectively identifies unreliable personality data. This tool enhances the quality of self-report measures, particularly the HEXACO-100, for researchers and clinical applications.
Area of Science:
- Psychological assessment
- Personality research
- Data quality in research
Background:
- Inconsistent responding is a significant threat to the validity of self-report data in psychological research.
- Existing personality inventories, such as the HEXACO-100, often lack specific scales to detect such response inconsistencies.
- This limitation can compromise the integrity of research findings, especially in clinical contexts.
Purpose of the Study:
- To develop and validate a new instrument, the HEXACO Inconsistent Responding Test (HIRT), designed to identify inconsistent responding on the HEXACO-100 personality inventory.
- To provide researchers with a tool to improve the quality and reliability of data collected using the HEXACO-100.
- To enhance the utility of the HEXACO-100 for clinically relevant research and applications.
Main Methods:
- Identification of highly correlated and conceptually overlapping item pairs from the HEXACO-100 in a derivation sample.
- Cross-validation of these item pairs by comparing real participant data against randomly generated protocols.
- Assessment of the HIRT's accuracy in detecting various forms of random and semi-random responding.
Main Results:
- The developed HIRT demonstrated high accuracy in identifying both completely random and half-randomly generated response protocols.
- HIRT scores showed significant correlations with established measures of response inconsistency, such as the Triarchic Assessment Procedure for Inconsistent Responding.
- The HIRT proved as effective as existing measures in distinguishing between consistent and inconsistent responders.
Conclusions:
- The preliminary validation provides strong evidence for the HIRT's efficacy in improving data quality for the HEXACO-100.
- The HIRT is a valuable tool for researchers aiming to enhance the reliability of personality assessment data.
- This new measure holds promise for applications in clinical psychology and other fields relying on accurate personality data.
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