If a researcher uses a careful matching procedure in correlational research, why should we
still not draw conclusions about cause-and-effect relations between variables?
a. The measures may be unreliable.
b. A third variable influencing the relationship may have been missed.
c. The sample may not be a representative one.
d. Participants' expectations may interfere with their behavior.
e. The Hawthorne effect may occur.
b. A third variable influencing the relationship may have been missed.
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If blonde hair is dominant and designated as "B" and brunette hair is recessive and designated as "b," probability would predict that if a couple each with a "Bb" hair color genotype had four children, _____ would have blonde hair
a. one b. two c. three d. four
Who is likely to hold a more negative attitude about aging?
a. Michelle, a White lesbian woman b. Courtney, a White heterosexual woman c. Jesse, a Latino gay man d. Robert, a Black heterosexual man
A drug that blocks the effects of a neurotransmitter is called a(n) ____
a. agonist b. antagonist c. depressant d. protagonist
An adult is legally considered to be too impaired to drive when their BAC reaches ______ in the United States and Canada.
A. .02 B. .08 C. .20 D. .80