Polish adaptation of self-report instruments for studying borderline personality traits – FFBI and FFBI-SF
| 1 | Uniwersytet Kardynała Stefana Wyszyńskiego w Warszawie, Instytut Psychologii |
| 2 | University of Zürich, University Research Priority Program Social Networks |
CORRESPONDING AUTHOR
Submission date: 2022-04-25
Final revision date: 2022-05-25
Acceptance date: 2022-05-25
Online publication date: 2022-08-18
Publication date: 2022-08-18
KEYWORDS
TOPICS
ABSTRACT
Objectives:
The article presents the results of research on the Polish adaptation of the self-report questionnaires FFBI (Five Factor Borderline Inventory) and FFBI-SF (Five Factor Borderline Inventory – Short Form), which were developed to measure borderline personality traits.
Methods:
The study, which consisted of two sessions, included a non-clinical sample of N = 527 adults (session 1: N = 527; Mage = 32.74 years; SDage = 10.12 years; 44% male; session 2: N = 315; Mage = 33.56 years; SDage = 10.71 years; 48.6% male). For convergent and divergent validity, Borderline Personality Disorder Checklist (BPD Checklist), Screening Instrument for Borderline Personality Disorder (SI-Bord), Borderline Personality Inventory (BPI) and Personality Inventory for ICD-11 (PiCD) were used.
Results:
The results showed the Polish adaptations of the FFBI and FFBI-SF to be reliable and valid. Cronbach’s alpha coefficient for FFBI/FFBI-SF scales scores ranged from 0.80/0.67 to 0.94/0.91 (Mα = 0.89/0.84). The twelve-factor structure of FFBI/FFBI-SF items was conformed. All FFBI/FFBI-SF traits are related to borderline facets measured by BPD Checklist, SI-Bord, BPI and pathological personality traits measured by PiCD in an expected way.
Conclusions:
Obtained data demonstrate satisfactory internal consistency, factorial validity, and convergent-discriminant validity of the Polish adaptations of FFBI and FFBI-SF in a non-clinical sample.
The article presents the results of research on the Polish adaptation of the self-report questionnaires FFBI (Five Factor Borderline Inventory) and FFBI-SF (Five Factor Borderline Inventory – Short Form), which were developed to measure borderline personality traits.
Methods:
The study, which consisted of two sessions, included a non-clinical sample of N = 527 adults (session 1: N = 527; Mage = 32.74 years; SDage = 10.12 years; 44% male; session 2: N = 315; Mage = 33.56 years; SDage = 10.71 years; 48.6% male). For convergent and divergent validity, Borderline Personality Disorder Checklist (BPD Checklist), Screening Instrument for Borderline Personality Disorder (SI-Bord), Borderline Personality Inventory (BPI) and Personality Inventory for ICD-11 (PiCD) were used.
Results:
The results showed the Polish adaptations of the FFBI and FFBI-SF to be reliable and valid. Cronbach’s alpha coefficient for FFBI/FFBI-SF scales scores ranged from 0.80/0.67 to 0.94/0.91 (Mα = 0.89/0.84). The twelve-factor structure of FFBI/FFBI-SF items was conformed. All FFBI/FFBI-SF traits are related to borderline facets measured by BPD Checklist, SI-Bord, BPI and pathological personality traits measured by PiCD in an expected way.
Conclusions:
Obtained data demonstrate satisfactory internal consistency, factorial validity, and convergent-discriminant validity of the Polish adaptations of FFBI and FFBI-SF in a non-clinical sample.
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