What is the range for the following set of scores? Scores: 5, 7, 9, 15

When encouraged to eat their fill of Eminem's, people eat more when given a larger bowl rather than a small bowl. This most clearly reflects.

A) neophobia B) a set point C) social facilitation D) unit bias

A patient suffering through delirium tremens reported frightening hallucinations of quickly moving insects and small animals. How have researchers explained this particular aspect of delirium tremens?

a) The hallucinations seem to be due to a REM rebound. b) Stopping the use of alcohol floods the brain with norepinephrine. c) A rapid rise in blood pressure leads to significant metabolic changes in the brain. d) As a result of a general absence of vitamins and other nutrients, the person is in a state of semi-starvation and the body is craving food.