Dr. Jonas wants to know whether men or women are better drivers. He designs a study to examine this question, and before he begins to collect data he writes up the plan for the research, including his hypothesis. Which of the following would represent a null hypothesis for this study?
a. ?Women will demonstrate better driving ability than men.
b. ?There will be no differences between the driving abilities of men and women.
c. ?Age, not sex, will predict the driving ability of the participants.
d. ?Men will demonstrate better driving ability than women.
ANSWER:
b
You might also like to view...
Kevin has a blood disorder that gets its name from the shape of his malformed red blood cells. What disorder does Kevin have?
A. sickle-cell anemia B. hemophilia C. Klinefelter's syndrome D. fragile X syndrome
Sympathetic is to ____ as parasympathetic is to ____
a. serotonin; dopamine b. dopamine; serotonin c. acetylcholine; norepinephrine d. norepinephrine; acetylcholine
The ______ is a measure of how much of the variability in one measure is explained by the value of the other measure.
A. R2 B. Pearson r C. correlational D. sum of products
While an interrupted time-series design is a fairly strong quasi-experimental design it could still have problems due to
A) a nonequivalent control group. B) reversibility. C) an historical event occurring just as the treatment is introduced. D) non-cooperative participants.