A Within-Person Examination Of The Ideal-Point Response Process

Keywords

Affect; Attitudes; Ideal-point model; Item response theory; Personality

Abstract

Ideal-point processes assume that individuals engage in introspective comparisons when responding to self-reported typical traits such as personality, affect, and attitudes. Although this type of response process is fundamentally a within-person phenomenon, past research has relied on between-person data using item response theory (IRT) model comparisons to draw inferences about the appropriateness of ideal-point response processes. However, between-person data may not necessarily be indicative of within-person processes. Across 2 studies, the authors used a paired comparison paradigm to examine whether within-person responses conform to an ideal-point response process (vs. a dominance response process). The authors found that an ideal-point response process more accurately describes within-person responses to personality, attitude, and affect constructs compared to a dominance response process. They additionally found that verbal ability and conscientiousness moderate both ideal and dominance response processes; individuals high on conscientiousness or high on verbal ability are more likely to engage in more precise introspective comparisons.

Publication Date

5-1-2018

Publication Title

Psychological Assessment

Volume

30

Issue

5

Number of Pages

567-581

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1037/pas0000499

Socpus ID

85047509724 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/85047509724

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