A researcher conducts a hypothesis test to evaluate the effect of a treatment that is expected to increase scores. The hypothesis test produces a z-score of z = 2.37. If the researcher is using a one-tailed test, what is the correct statistical decision?
A) ?Reject the null hypothesis with ? = .05 but not with ? = .01.
B) ?Reject the null hypothesis with either ? = .05 or ? = .01.
C) ?Fail to reject the null hypothesis with either ? = .05 or ? = .01.
D) ?This cannot be answered without additional information.
B
You might also like to view...
Research on self-monitoring generally suggests that
a. it is a global trait. b. high self-monitors conform even in situations that demand autonomy. c. low self-monitoring is more socially adaptive. d. one's scores on the self-monitoring scale decline with age.
Sometimes a behavioral contract is rewritten on a frequent basis
a. True b. False Indicate whether the statement is true or false
Regarding recent evidence on marijuana and its active ingredient THC, which of the following is a FALSE statement?
a. THC receptors have been found in the brain areas involved in the control of skilled movement. b. THC accumulates in the fatty tissues of the reproductive organs. c. There is some evidence that THC damages parts of the brain important for memory. d. Several hundred overdose deaths from marijuana are reported every year.
The basic message-carrying cells of the nervous system are labeled:
a. dendrites. b. neurons. c. nerves. d. ganglia.