Giulio Costantini completed his PhD at the Psychology Department of the University of Milano-Bicocca in 2015, with a thesis entitled “Network Analysis: A New Perspective on Personality Psychology”, supervised by prof. Marco Perugini. He is currently a post-doctoral research fellow at the same department. His main research interests span the fields of personality psychology, psychological methods, and network analysis. His research has been focused mainly on developing network analysis as a statistical and theoretical tool to model personality. Additionally, he focused on applications of the network methodology to understand the structure and processes of a specific personality trait, namely conscientiousness. He is also interested in the psychometric measurement of personality, with a keen eye on implicit measures. Other research interests include the relationships between personality, behavior, and psychological situations; the psychometric measurement of creative problem-solving skills; statistical power and scientific reproducibility.