Abstract
Objective: This study evaluated the factor structure, internal consistency reliability, construct and criterion validity, and measurement invariance of the Interpersonal Needs Questionnaire (INQ) among adolescents. Method: Participants (N = 539) included three distinct samples of youth drawn from two outpatient psychology clinics and an inpatient psychiatric unit. The combined sample was 63.3% female and had a mean age of 14.95 years (SD = 1.31 years). All participants completed the INQ as well as measures of depressive symptoms and suicide ideation. Results: Confirmatory factor analyses indicated that the removal of three items from the thwarted belongingness subscale of the INQ was needed to achieve acceptable model fit. The resulting combined 12-item scale demonstrated good factor structure, internal consistency reliability, construct validity, and criterion validity. The modified 12-item INQ also demonstrated scalar invariance across subgroups defined by sex, race, and age. Conclusions: Findings support the use of this reduced 12-item version of the INQ among adolescents. Youth may have difficulty accurately responding to changes in item valence; thus, future research with youth should consider using a 12-item version of the INQ that avoids valence changes within subscales.
Original language | English (US) |
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Pages (from-to) | 1214-1222 |
Number of pages | 9 |
Journal | Suicide and Life-Threatening Behavior |
Volume | 50 |
Issue number | 6 |
DOIs | |
State | Published - Dec 2020 |
Externally published | Yes |
ASJC Scopus subject areas
- Clinical Psychology
- Public Health, Environmental and Occupational Health
- Psychiatry and Mental health