The correct argument for using a two-tailed test, even if there is a clear basis for predicting a result in a given direction, is that
A) if the null hypothesis is in fact true, rejecting it will provide stronger evidence in support of it.
B) one-tailed tests cannot be used in most studies involving one or two groups.
C) if an unexpected result that is opposite of what is predicted occurs, it does not have to be ignored.
D) a two-tailed test improves the chance of getting a statistically significant result.
C
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What are some benefits and disadvantages to adolescents' increased use of the Internet?
What will be an ideal response?
Chapter 1 of your textbook ends with a discussion about the five themes of this book. According to this discussion,
a. cognition is generally not very accurate. b. cognition typically emphasizes both top-down and bottom-up processing. c. children typically emphasize top-down processing, but adults typically emphasize bottom-up processing. d. cognition is typically more accurate for negative information than for positive information.
You are trying to retain—in your working memory—a mental picture of a stranger's face. According to Baddeley, you are using your
a. visuospatial sketch pad. b. episodic buffer c. phonological loop. d. central executive.
Simon read the words "bed," "night," "snore," "dream," "comfort," and "pillow" to Jennifer. As a result of misattribution, we could expect Jennifer to
a. remember the word sleep. b. experience some sleepiness. c. only remember three or four of the words. d. remember the first and last words, but not the middle words. e. confuse the order of the words.