Ritalin and Cylert, medications generally used to treat attention deficit / hyperactivity disorder, are classified as
A. minor sedatives
B. depressants
C. stimulants
D. anti-depressants
C. stimulants
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In one study of over 14,000 participants, the researchers found a statistically significant association between high sodium intake and the prevalence of hypertension among normal-weight subjects. The prevalence of hypertension in the group with the lowest sodium intake was 19.1%; the prevalence of hypertension in the group with the highest sodium intake was 21.8%. This data suggests that
a. even though the finding was statistically significant, it may not have much practical importance. b. the finding has both practical and statistical significance, and should be reviewed in more detail. c. the finding has neither practical nor statistical significance, and should be ignored. d. one of the main causes of hypertension is a high intake of sodium.
Donald is having a real problem with his boss at work. Try though he has, he cannot seem to get his boss to ease up on him. He decides that rather than try to change his relationship with his boss, he will change how he allows their constant conflicts to affect him. He vows to stop letting it "get to him," and comes up with new ways to avoid getting upset over their constant struggles. Donald is
using ____ control in his relationship with his boss. a. secondary b. imaginary c. invulnerable d. primary
In order to use the independent samples t-test, the population of ______ must be a normal distribution.
A. differential distribution B. t scores C. difference scores D. sample populations
The amount of money available for federally funded research in the United States
a. Is limited by the President b. Is part of the congressional budget process c. Is increasing at a rate much higher than inflation d. Falls solely under the jurisdiction of the Defense Department