In the panic button study conducted by Glass, Singer, and Friedman, participants were exposed to

Which of the following is the hypothesis an evolutionary psychologist is most likely to put forth?

a. Humans dislike bitter food because it indicates that the flavoring is artificial. b. Humans are often scared of loud sirens because they are associated with the police. c. Humans are often scared of snakes because this trait protected our ancestors from deadly bites. d. Humans like sweet food because it is associated with special treats, like ice cream.

Dr. Rowan is seeing a client who is afraid of dogs. If Dr. Rowan uses participant modeling therapy, how long is it likely to take for the client's phobia to be extinguished?

a) 15-20 minutes b) 3 or 4 hours c) 2 days d) 7-12 sessions