INTRODUCTION: Declining fertility and rising numbers of only children necessitate understanding their specific characteristics. The main objective of the present research study is to map the area of sibling constellations. It focuses on perfectionism and the Big Five personality traits.

METHODS: Online data were collected from 1,384 Slovak participants aged 15-74 (133 only children, 1,251 with siblings) using the Frost Multidimensional Perfectionism Scale (FMPS) and the Big Five Inventory (BFI 10). MannWhitney U tests compared groups, with effect sizes (AUC) calculated. Spearman’s...

BACKGROUND: Prescription drug use disorders are increasingly becoming a reason for people contacting addiction services. The onset is often slow and not obvious. People can be very good at hiding the problem from their social environment. When overused, psychoactive medications, particularly sedatives, hypnotics, and/or opioid analgesics, may cause a range of severe health and social difficulties. Some of these issues may be due to cognitive function deficits or impairments which are reflected in various ways in the daily functioning of an individual.

AIM: The aim of the research is to...