Celia is taking an interest inventory. One of the questions asks her to select her preferred activity from among traveling, reading books, and cooking. The question does not give her a "none of the above" option. What is the format of the interest inventory called?

The "visual cliff" study indicates that most infants in the age range of _________ months cannot be coaxed to cross the "cliff."

a) 6 to 14 b) 5 to 12 c) 12 to 14 d) 8 to 14

The 99% confidence interval is the region in a group of scores that

A) a psychologist can be 99% confident includes the true population mean. B) a psychologist can be 1% confident includes the true population mean. C) includes 49% of the scores below the mean and 50% of the scores above the mean. D) includes 50% of the scores below the mean and 49% of the scores above the mean.