While self-esteem and confidence are healthy, severe narcissism may tip into a personality disorder. Take this test to learn where you fall on the spectrum. Using the key below, answer the ...

There’s a questionnaire that’s been used since the 1980s, called the Narcissistic Personality Inventory. Comparing samples of college students who completed the survey between 1982 and 2009 ...

These include the five-factor narcissism inventory and the Narcissistic Personality Inventory. These interview structures involve asking a person a series of questions examining personal history ...

the Narcissistic Personality Inventory (NPI), that has been proven successful in its various permutations since 1979. They ...

Narcissistic traits were measured using two self-report tools: the Narcissistic Personality Inventory (NPI) and the Pathological Narcissism Inventory – Brief form (PNI). The study also collected ...

Facing Narcissism is Academy Professor Anssi Peräkylä's research project (2019–2023), which investigates the ways in narcissistic personality features and personality disorders manifest themselves in ...