The participants in a(n) ________ do not receive the independent variable, or treatment.
A. social group
B. core group
C. experimental group
D. control group
Answer: D
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Someone who wishes to be a person of the opposite gender is called a ____.
A. lesbian B. homosexual C. bisexual D. transsexual
What is a more common term used to describe a cerebral vascular accident?
a. Parkinson's disease b. Presbyopia c. Presbycusis d. Stroke
Approximately how many Americans die from smoking per year?
A. 300,000 B. 450,000 C. 575,000 D. 650,000
Efforts to study death rates among Hispanic Americans face particular difficulties because
a. data collected on death rates mainly derives from records in county offices b. death records record race, but not Hispanic origin c. noting the Hispanic origin of a person who has died depends upon accuracyby the recorder and reliable information from sources d. all of these e. none of these