Simple random sampling:
A. guarantees that your sample will be representative of the population.
B. is more difficult to carryout than more sophisticated sampling techniques.
C. does not guarantee that your sample will be representative of the population.
D. works better than more sophisticated sampling techniques to help ensure a representative sample.
Answer: C
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Which of the following empirical statements is TRUE?
a. Optimists tend to cope better with stress than pessimists. b. Optimists are more likely to use avoidant coping strategies than pessimists. c. Optimists tend not to practice healthy behaviors because they assume most outcomes will be positive. d. Optimism is correlated with better psychological health, but is not predictive of longevity.
Experiments can determine cause-and-effect relationships with the effects being measured by the __________variable
a. extraneous b. independent c. correlational d. dependent
Positive reinforcement ____ the likelihood that the preceding behavior will be repeated. Negative reinforcement ____ the likelihood that the preceding behavior will be repeated
a. increases; increases c. decreases; increases b. increases; decreases d. decreases; decreases
In studies of clinical depression, __________ of children are typically the target population
Fill in the blanks with correct word