A researcher plans to apply a one-tailed test of significance when analyzing data from a study.Which is true about using this test?
A) The researcher will be unable to predict whether differences are greater than or less than the mean value.
B) This is a nondirectional hypothesis, so values will not have a tendency to vary in a specific direction.
C) This may increase the possibility of a Type I error when evaluating the significance of the findings.
D) This will decrease the possibility of a Type II error when drawing conclusions about the data.

Question

Quizplus · Accepted Answer

The Answer of A researcher plans to apply a one-tailed test of significance when analyzing data from a study.Which is true about using this test?
A) The researcher will be unable to predict whether differences are greater than or less than the mean value.
B) This is a nondirectional hypothesis, so values will not have a tendency to vary in a specific direction.
C) This may increase the possibility of a Type I error when evaluating the significance of the findings.
D) This will decrease the possibility of a Type II error when drawing conclusions about the data.

A Researcher Plans to Apply a One-Tailed Test of Significance