What is the leading cause of children's visits to physician's offices in the United States?

Sandy Sue was participating in an experiment in which she was given a pill that was supposed to cause her to get drowsy. Five minutes after taking the pill, Sandy Sue reported that she felt drowsy and wanted to lie down

The pill was actually made of sugar and had no ingredients to cause drowsiness. How do you explain Sandy Sue's drowsy feeling? a) experimenter effect b) placebo effect c) subject bias d) treatment effect

According to Freud, the part of the mind that is largely hidden and can only be brought

into awareness with great difficulty, if at all, is the ______. a. conscious c. preconscious b. superconscious d. unconscious