Which of the following is the major drawback to observational research?
It must be done in a laboratory setting.
It cannot be generalized to other populations.
It does not allow us to identify cause-and-effect relationships.
It violates the ethical standards of research.
It does not allow us to identify cause-and-effect relationships.
Psychology
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From an evolutionary perspective, it is believed that the human species originated in ____
a. the forests and plateaus of South America b. the plains and lowlands of North America c. the grasslands and forests of Africa d. the tundra and deciduous forests of the Arctic
Psychology
Which of the following enhances the health of a pregnant woman and the fetus?
Mild to moderate exercise Drinking several cups of tea each day Consuming coffee and eating herbs Conserving energy and eating fatty foods
Psychology