What does the researcher have in an experiment but not in a correlational study?
A. the dependent variable
B. the independent variable
C. the confounded variable
D. the temporal relationship
Answer: B
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Analyze the discretion judges have in sentencing, and how it has been limited or expanded.
What will be an ideal response?
B. F. Skinner used a chamber equipped with a device that delivers food or water when an animal makes a desired response. This device is called a(n):
a. reinforcement unit. b. puzzle box. c. Skinner box. d. air crib.
From an evolutionary perspective, one possible adaptive advantage of longevity is greater:
A. competition for limited resources within a group. B. support for the care and protection of the young. C. attractiveness for females in the mating process. D. competition among males for finding a suitable female partner.
A molecule of deoxyribonucleic acid (DNA) looks like a ________
A) long cylinder B) small sphere C) twisted ladder D) bundle of rods