Dr. Kurtz conducts an experiment to see if the odor of peppermint causes people to walk around a track more quickly than if they smell lavender or no odor at all. The null hypothesis would be that
a. The mean speed of the peppermint condition is the fastest of the three conditions
b. The mean speed of the no odor condition is the fastest of the three conditions
c. One of the conditions is faster than the others
d. There is no difference in the mean speeds of the three conditions
d
You might also like to view...
When a child demonstrates the kind of attachment in which the mother is used as a "home base" and the child is at ease when she is present, but the child gets upset when she leaves, it is called the __________.
A. Bowlby safety pattern B. Ainsworth attachment pattern C. secure attachment pattern D. strange situation response
Juan is taking a creativity test in which he is asked to come up with ways of utilizing the billions of plastic containers discarded each year. He is taking the
a. Thematic Apperception Test. b. Consequences Test. c. Unusual Uses Test. d. Anagrams Test.
Which of the following is the most accurate description of the relationship of atherosclerosis to aging?
a. It is an inevitable part of aging. All adults show some atherosclerotic change, and these changes are irreversible. b. It is an inevitable part of aging, but early changes are reversible by improvement in health habits. c. It is a disease occurring only in some adults; all changes due to the disease are curable or reversible. d. It is a disease occurring only in some adults, but some disease processes are reversible by improvement in health habits.
A study comparing psychopathic criminal offenders with nonpsychopathic offenders found that psychopathic offenders __________.
A. were no different from nonpsychopathic offenders in the types of crimes they committed B. committed far more cold-blooded murders than nonpsychopathic offenders C. committed far more "crimes of passion" than nonpsychopathic offenders D. committed far more impulsive murders than nonpsychopathic offenders