SEVİM, ERDEMEKŞİ, HALİL2022-03-152022-03-15201613053515https://hdl.handle.net/11424/247734The aim of this study is to examine predictive power of psychological birth order and inferiority feeling on adult attachment style. In this regard, 191 female volunteers (%72.3) and 73 male volunteers (%27.7), totally 264 students from Marmara University participated in the study. The White-Campbell Psychological Birth Order Inventory, Inferiority Feeling Scale and Experiences in Close Relationships Inventory were used to collect data. In data analysis, Pearson correlation, Independent Sample T test and multiple regression analyses were applied. PBO (Psychological Birth Order) first- born, PBO-Youngest and inferiority feeling scores explain approximately %11 of avoidant attachment sub-dimension within adult attachment styles. PBO-Onlyand and inferiority feeling scores explain approximately %21 of anxious attachment sub-dimension within adult attachment styles. According to the results of the research, it can be said that the individual’s perception relating to the psychological position in his/her family could have a decisive impact on the quality of individual’s adult life relations, as well as the individual’s considerations related to his/her abilities or individual himself/herself together with the patterns developed within the family. © 2016, Ankara University. All rights reserved.turinfo:eu-repo/semantics/closedAccessAdult attachment styleInferiority feelingsPsychological birth orderarticle10.17051/io.2016.90300