In a(n) ____ sample, subgroups are represented according to their incidence in the larger population
A) survey
B) equivalent
C) random
D) representative
D
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Which of the following statements is true of instincts as described by Freud?
a. An instinct is a state of physiological excitation or energy. c. The aim of an instinct is to satisfy a need and thereby reduce feelings of tension. b. When the body is in a state of need, a person experiences a feeling of calmness. d. It is always possible to escape the pressure of our physiological needs.
Interobserver agreement involves an observer recording the person's behavior in another observation period to see if the behavior is the same
a. True b. False Indicate whether the statement is true or false
What is the "fatal flaw" in genetic explanations for differences between ethnic groups on IQ tests?
a. They fail to account for the different groups account for different percentages of the population. b. They use heritability estimates based mainly on white samples to estimate the role of heredity in group differences. c. They fail to account for genetic influence in individual differences. d. Their data collection is not limited to those sections of all groups that overlap.
Which of the following are the leading indicators of coronary heart disease?
A) Advanced age and lifestyle B) Stress and personality type C) Diabetes and stress D) High blood pressure and family history of the disease