Factorial Structure of the Brazilian Adult Attachment Scale (Ebrapeg-A 34)

Attachment begins in the early years of life, is linked to human development, attachment assessment requires the use of reliable instruments. Objective: to present the internal structure of the Brazilian Adult Attachment Scale. Internal structure was assessed via exploratory (EFA) and confirmatory (CFA) factor analysis with participants of both sexes from the general population (n = 808). The scale presented good adjustment indexes for 4 factors, explaining 48,89% of the variance (EFA / CFA: RMSEA = 0.0357 / RMSEA = 0.065; CFI = 0.925; TLI = 0.918 / CFI = 0.920; TLI = 0.914). The final version presented 34 items and its factors demonstrated good reliability indexes: secure α = 0.84; fearful α = 0.88; preoccupied α = 0.89; dismissing α = 0.83. Ebrapeg-A 34 presents itself as a relevant tool for psychologists working in clinical and mental health contexts.