Paul and Peter seem identical in almost every way. They have the same taste in music. They have the same facial expressions and features. They drive the same car, and they work in the same professional field. Since they did not grow up together, what explanation is there for this?
A. There is an environmental basis for their behaviors.
B. They are dizygotic twins.
C. They have a strong instinctive connection.
D. There is a strong genetic basis for their behaviors.
Answer: D
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Which type of data analysis is used to test our hypotheses about the population?
A. bivariate statistics B. descriptive statistics C. inferential statistics D. effect size
Examples of psychological risk factors cited in your textbook include:
A. whether the parent was physically abused as a child B. the quality of attachment between child and parent C. how parents respond effectively to stressful situations D. engaging in risk-taking behaviors
Ryff includes which of the following in her elements of adult well-being?
a. self-centeredness b. positive relations with others c. escape from dominance d. subversion of negativity
Olds and Milner (1954) found that electrical stimulation of a certain section of the _____ produced pleasure and was highly rewarding.
A) hypothalamus B) thalamus C) hippocampus D) amygdala