Alexithymia is considered a key trait associated with Machiavellianism. In psychology, the dark triad refers to the personality traits of narcissism, Machiavellianism, and psychopathy. The dark triad of personality consists of psychopathy, Machiavellianism and narcissism. Trolling correlated positively with sadism, psychopathy, and Machiavellianism. The DTDD consists of 4 items per subscale (i.e. Machiavellianism, narcissism, and psychopathy). Men and women high in Machiavellianism may use different tactics to influence interviewers. As early as 1969, critics had begun accusing her of insincerity and machiavellianism. Both emotional empathy and emotion recognition have been shown to have negative correlations with Machiavellianism. These principles became known as "Machiavellianism". In research, the presence of "Machiavellianism" was positively associated with subordinate perceptions of abusive supervision. However, some research has established that Machiavellianism is unrelated to IQ. Machiavellianism in the workplace is a concept studied by many organizational psychologists. Machiavellianism is also significantly correlated with psychopathy. A recent behavioral genetics study noted that Machiavellianism has both significantly genetic and environmental influences.