"That kid is pleasant enough, but will lie about practically anything, even things that don't seem to matter much." This behavior MOST closely fits which pattern of conduct disorder?

A weakness of experimental studies is that

a. they cannot be used to determine cause and effect. b. results may not be representative of real-life behavior. c. they cannot be used in a laboratory setting. d. they are usually expensive.

Mild cases of this sexually transmitted disease may have no

symptoms, but infections can cause chronic liver disease, cirrhosis of the liver, or liver cancer? a. chlamydia b. syphilis c. hepatitis B d. gonorrhea