“…Identity processes in the future plans domain were assessed using the Dimensions of Identity Development Scale (DIDS; Luyckx et al, 2008c; Polish adaptation: Piotrowski and Brzezińska, 2017). The scale measures five processes: exploration in breadth (five items, e.g., I try to find out which lifestyle would be good for me ), exploration in depth (five items, e.g., I work out for myself if the aims I put forward in life really suit me ), ruminative exploration (five items, e.g., I am doubtful about what I really want to achieve in life ), commitment making (five items, e.g., I have decided on the direction I want to follow in my life ), and identification with commitment (five items, e.g., My plans for the future match with my true interests and values ).…”