A sample of n = 100 people is classified into four categories. If the results are evaluated with a chi-square test for goodness of fit, what is the df value for the chi-square statistic?
a. 3 c. 99
b. 4 d. 100
A
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Suppose that an elderly friend who has been having trouble hearing learns that she has something called "conduction deafness." What should you tell her about this problem?
a. It is the most serious form of hearing impairment. b. It may result from malfunctioning bones in the middle ear. c. It refers to a defect in the neural mechanisms. d. It can only be cured by regeneration of cochlear hair cells.
Autistic children show little interest in social interactions
Indicate whether the statement is true or false
Smokers are more likely to quit smoking when
A. their friends are quitting. B. they feel challenged to quit smoking. C. their means of buying cigarettes are withdrawn. D. they are told about the risks associated with smoking.
Conflict in marriage, or any relationship, is:
a) O.k., so long as it's not too intense or too often b) A very bad indicator of long-term success c) A sure sign of impending divorce (or break-up) d) Totally normal