When there is as likely a chance that any one member of the population will be selected for participation in a study, the sample is considered
a. controlled.
b. biased.
c. random.
d. nonrandom.
c
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Which of the following best characterizes verbal affection?
A. hugs, compliments, love letters B. laughter, compliments, loving looks C. laughter, verbal statements of affection, use of pet nicknames D. tone of voice, laughter, compliments
Sex can be used as a scapegoat for nonsexual problems
a. True b. False Indicate whether the statement is true or false
What is the greatest obstacle to dealing with the problem of AIDS among drug users?
A. the ineffectiveness of "safe sex" programs B. inappropriately targeted "clean needle" programs C. the reluctance of addicts to come forward for help because their activity is illegal D. resistance to involving ex-addicts in treatment programs
Research shows that most children are negatively affected from divorce.
Answer the following statement true (T) or false (F)