Final answer:
Perfectionistic and obsessionistic personality traits play a role in increased risk of psychological disorders.
Step-by-step explanation:
The perfectionistic and obsessionistic personality traits play a role in C) Increased risk of psychological disorders. These personality traits are characterized by impaired social skills, repetitive motor behaviors, strict adherence to certain rituals, and preoccupation with specific subjects.
Research has shown that individuals with perfectionistic and obsessionistic traits are more prone to psychological disorders such as obsessive-compulsive disorder (OCD) and autism spectrum disorder (ASD). This is supported by studies like Saxena, Bota, & Brody (2001) which investigated brain-behavior relationships in OCD.Additionally, Friedman and Booth-Kewley (1987) found a link between personality and illness, proposing the existence of disease-prone personality characteristics including depression, anger/hostility, and anxiety. Neuroticism, which reflects how anxious, moody, and sad one is, has also been identified as a risk factor for chronic health problems and mortality (Ploubidis & Grundy, 2009).