A statistical hypothesis that contains the ______ symbol may be defined as ______.
a. ?; one-tailed
b. <; non-directional
c. <; one-tailed
d. ?; directional
c. <; one-tailed
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How many children are reported to live in single-parent families?
A. More than one-quarter of all children B. More than one-third of all children C. 23,000 children D. 500,000 children
Which of the following would be considered a good tactic for writing an end-of-the-term report for your job?
a. Write an analogous report first. b. Work backward at this task. c. Break the task up into its component parts. d. Write a shorter version of the report first.
Which food group resides at the top of the food pyramid?
a. Fruits b. Fats, oils, and sweets c. Grains d. Dairy products
The research reported on "massed" and "distributed" practice suggests that activities
that occur during waking a. require more attention b. lead to "decay" c. enhance memory d. interfere with memory