When the probability of a Type I error is less than .05, we way that we have observed _____.
a. a Type II error
b. statistical significance
c. the alternative hypothesis
d. a Type II error and statistical significance
Question 2
In a recent study, researchers concluded that exercise significantly lowered stress levels. What the researchers were unaware of, however, was that several of the subjects in the exercise group were also taking anti-anxiety medications. The researchers' conclusion is a(n) _____ error.
a. Type II
b. Type I
c. null hypothesis
d. alternative hypothesis
The enhancement effect observed by Emerson.
Aurora australis observed from the Space Shuttle Discovery, on STS-39, May 1991 (orbital altitude: 2
Induration measurement in a tuberculin skin test, a type IV hypersensitivity.
Action of a type II topoisomerase
Type of rocks
Chloroplast segregation determined by mating type in Chlamydomonas