A one-tailed test of significance could be used whenever
a. the researcher can predict a direction for the difference.
b. the researcher feels like it.
c. the null hypothesis is thought to be true.
d. the alpha level exceeds 0.10.
ANSWER: a
You might also like to view...
Which behavioral propensity is most likely to be hard-wired in human neurology?
a. the tendency to go to war b. reciprocity c. gender roles d. high levels of group solidarity e. none of the above
Feminists criticize contemporary childbirth for which of the following reasons? a. Women have too much control over the birth process
b. Many of the medical interventions are unnecessary. c. Men are not included in the birth process as much as they should be. d. The medical profession never listens to what women need during pregnancy.
Mixed economies are characteristic of a combination of free-market capitalism and
A. socialist policies. B. pro-business policies. C. freedom-restricting policies. D. a focus on deregulation.
Nearly 5 million poor families spend half or more of their incomes on rent
Indicate whether the statement is true or false