If you are running a test to find out whether or not a
particular drug works better than a placebo in controlling
depression, and you have no idea whether the effects of the drug
will increase depression or decrease depression, you want to run
a_______
Research study
One-Tailed Test
NHST
Two-Tailed Test
When you incorrectly reject the null hypothesis and claim there
are significant differences between your two means, and no such
difference exists in the population, you have a(n)______...