What is the name of the inherited disorder in which a child is unable to make use of an essential amino acid present in proteins found in milk and other foods, and which has the potential to cause brain damage and mental retardation?

Desired behavior is increased by:

a) positive reinforcement and negative punishment b) positive reinforcement only c) positive reinforcement and negative reinforcement d) negative reinforcement only

Which type of audience is most easily persuaded?

a) a wise audience that is expecting a persuasion attempt b) a naive audience that is expecting a persuasion attempt c) a wise audience that is unaware of the persuasion attempt d) a naive audience that is unaware of the persuasion attempt