Convergence between Thematic Apperception Test (TAT) and self‐report: Another look at some old questions
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OBJECTIVE: This study extends upon the investigation of the influence of response format on the convergence between performance-based and self-report assessments of similar mental health constructs, to further examine the role of method variance in poor heteromethod convergence. METHODS: An online sample of 455 participants (57% male; mean age = 35.5 years) completed a multiple-choice adaptation of the Thematic Apperception Test (TAT)-the Iowa Picture Interpretation Test (IPIT)-and two self-report instruments: the Personality Assessment Inventory (PAI) and the International Personality Item Pool (IPIP) representation of the domain traits of the five-factor model. RESULTS: Several significant and meaningful interrelationships emerged between the IPIT and the PAI and IPIP five-factor scales. CONCLUSIONS: Findings suggest that TAT methodology can correlate meaningfully with similar constructs assessed using self-report when comparable response formats are utilized, offering further support for the role of method variance in precluding heteromethod relationships.
author list (cited authors)
McCredie, M. N., & Morey, L. C.