What is an especially common sleep problem of late adulthood, affecting more than half of persons over age 65 years?

A girl learns that whenever her brother shares his cookie with her, her mother gives him a piece of candy

The girl starts sharing her treats with her friends when they come over in the hopes of getting a similar reward. The girl's learning to share is an example of _____ a) classical conditioning. b) operant conditioning. c) contingency theory. d) observational learning.

Which of the following is a characteristic of jury behavior?

a. They place too little confidence in DNA evidence. b. They tend to be more likely to convict attractive defendants. c. They tend to be more swayed by the evidence than by the expertise of the witness. d. They tend to take into account the severity of the punishment a defendant faces.