A researcher measures all of the students in her class, and determines that the mean of their IQ scores is 105 . This information is a(n)
a. inferential statistic.
b. descriptive statistic.
c. analyzing statistic.
d. control variable.
b
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What typically happens to a manuscript during the peer review process for a professional journal?
A) The researcher gets comments on the manuscript from his or her friends before submitting it for publication. B) The manuscript is posted on the Internet and voted on by a large group of evaluators. C) The journal editor sends the manuscript to three experts for their comments before deciding whether to publish it. D) The manuscript is published and the journal editor then publishes comments from readers.
At 3 o'clock in the morning John has already slept for 4 hours. As long as his sleep continues, we can expect an increasing occurrence of:
a. sleeptalking. b. slower, more regular breathing. c. muscle tension. d. genital arousal. e. Stage 4 sleep.