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An Inconsistency Responding Scale for the Durand Adaptive Psychopathic Traits Questionnaire
1School of Counselling, Psychotherapy and Spirituality, Faculty of Human Sciences. Saint Paul University, 223 Main Street, K1S 1C4. Ottawa, Ontario, Canada. School of Counselling, Psychotherapy and Spirituality Faculty of Human Sciences Saint Paul University OttawaOntario Canada.
Abstract:
Careless and inconsistent responding is a common issue with self- reported instruments, observed in approximately 10% of respondents. The purpose of this study was to develop an Inconsistency Responding Scale (IRS) for the Durand Adaptive Psychopathic Traits Question- naire (DAPTQ). First, a derivation sample (N = 525) was used to develop the IRS-DAPTQ, a scale generating a total score from the absolute difference of 12 pairs of items with high intra-correlation. Second, the validity of the IRS-DAPTQ was assessed using human (N = 943) and randomly generated (N = 1000) data. The IRS-DAPTQ successfully differentiated human data from randomly generated data. The IRS-DAPTQ scores showed a negative association with conscientiousness and had higher specificity for a sample of the gen- eral population recruited online than for a sample of undergraduate students. These findings support the usefulness of the IRS-DAPTQ for identifying individuals displaying an inconsistent responding style.
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