While watching Emeril on TV one afternoon, you learn that smell is an important component in the experience of flavor. Emeril says, "In fact, the olfactory systems in humans have __________ different types of receptors that allow us to distinguish so many smells."

Which of the following children will probably display poorer academic achievement and more serious adjustment problems following a divorce?

A) Sam, who lives with his father B) Sue, who lives with her father C) Jan, who lives with her mother D) Jim, who lives with his mother

How do nuisance variables affect the scores in a distribution?

A) decrease the difference between two distributions B) increase the difference between two distributions C) decrease the spread of scores D) increase the spread of scores