Which of the following is a simple random sample of people at a party?
a. People count off by 4's. All of the 1's are chosen for the sample.
b. Each couple puts their names on one slip of paper, which is then well shaken in a hat. Select the first one quarter of the slips drawn.
c. Each person puts his or her name on a slip of paper, which is then well shaken in a hat. Select the first one quarter of the slips drawn.
d. Give each person a number as they come to the party. Every fourth number is chosen for the sample.
c
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Processing speed in adolescents is
a. faster than in children. b. slower than in children. c. the same as in children. d. organized completely differently than in children.
Which of the following disorders commonly found among the elderly is often not detect by Canadian ER physicians?
a) Alzheimer's disease b) Depression c) Dementia d) Delirium