For all normal curves, one standard deviation below the mean constitutes roughly ______ of all cases.
A. 34%
B. 68%
C. 95%
D. 100%
A. 34%
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For r s to determine the exact position in the case of ties, one must add the tied ranks and __________ by the number of ties
Fill in the blank
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A device that allows a person to write on a computer by talking to it is called a(n)
a. voice recognition program. b. word processor. c. spreadsheet program. d. e-mail program. e. web program.
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According to the text, the surest way of controlling reactivity due to the experimenter in an experiment is to:
a. reduce gender insensitivity. b. use only good subjects. c. increase the effect of experimenter's expectations. d. conduct a double-blind experiment.
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A single technique could properly be designated as BC
Indicate whether the statement is true or false
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