The principle of natural selection was first formulated in general terms by the British naturalist:
a. Francis Crick.
b. Gregor Mendel.
c. James Watson.
d. Charles Darwin.
Answer: d
Psychology
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Susan scored 80 on a hypothetical, subjective assessment of her throwing maturity. The mean for her class was 60, and the standard deviation was 10. So Susan performed
A. 20 standard deviation units above the mean B. 4 standard deviation units above the mean C. 2 standard deviation units above the mean D. 1 standard deviation unit above the mean
Psychology
The only research design that allows one to make inferences on cause-and-effect is the ________ design
A) case study B) correlational C) experimental D) naturalistic observation
Psychology