Method: A total of 425 high school students (199 boys and 226 girls) were selected using a
cluster randomized procedure. The risk and protective factors included gender, internet use …

Background While schadenfreude is commonly experienced in interpersonal relationships, it
is generally considered immoral. Although previous research has explored the factors …

Narcissistic, psychopat and Machiavellianism are three components of dark personality
traits. Dark triad traits in recent years has attracted much attention. The aim of this study was …

Introduction Adaptive management of emotions is essential for mental health (Aldao, Nolen-
Hoeksema, and Schweizer, 2010; Eisenberg, Fabes, Guthrie, and Reiser, 2000). The …

Perfectionism is a prevalent and severe problem among adolescents. One of the goals of
psychological research is to identify the variables associated with it. Therefore, this study …

The use of the Internet and social media has become an integral part of our daily lives;
however, excessive use of these tools can lead to many psychological and social …

The purpose of this study was to evaluate the validity and reliability of the Nine Dark
Personality Traits Questionnaire in the Iranian population. For this purpose, from the …