Statistics › Type I
Type I errors occur when a researcher incorrectly __________ the ___________ hypothesis; therefore, they erroneously accept the __________ hypothesis.
rejects. . . null. . . alternative
accepts. . . null. . . alternative
rejects. . . alternative. . . null
accepts. . . alternative. . . null
None of these
Type I errors are made when a researcher incorrectly rejects the null hypothesis and erroneously accepts the alternative hypothesis. For example, a researcher may incorrectly conclude that two plant treatments are different by erroneously rejecting the null hypothesis. As a result they may assume that they have differing effects when they are—in fact— the same.