Item analyses are usually not worth the time and effort in terms of the improvements they make

What type of hypothesis is a new prediction called?

a. a null hypothesis b. an experimental hypothesis c. an alternative hypothesis d. a scientific hypothesis

In sex ed class, Toni heard about something called HPV or genital warts

She tuned out because she did not know anyone who ever had this, and she had lots of sexually active friends, so it must be pretty rare. What would the sex educator tell her if she knew what Toni was thinking? a) That she was probably right to think it was very unlikely she would get HPV. b) That she was probably right because primarily men get HPV. c) That she was probably wrong because she was in a high risk group. d) That she was wrong because about 50% of people get HPV at some time.