Herpes and hepatitis B are caused by a virus

What did Cohen and colleagues find when they surveyed adolescents to study the prevalence of personality disorders?

a. Personality disorders were almost non-existent. b. The most common personality disorder in the sample was antisocial personality disorder. c. Fewer than half the adolescents who originally met the diagnostic criteria still met the same criteria two years later. d. If strictly applied, the criteria would lead to a diagnosis for almost every adolescent in the sample.

At high levels of anxiety, most people perform their best

Indicate whether the statement is true or false.