What is the mode for the following sample of n = 8 scores? Scores: 0, 1, 1, 1, 2, 2, 3, 3
A) ?1
B) ?1.5
C) ?13/8 = 1.625
D) ?3
A
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Jill's friends tell her they think she has a really good memory. She finds this interesting so she decides to purposefully test her memory. Jill receives a list of to-do tasks each day at work. Usually, she checks off each item as the day progresses, but this week, she is determined to memorize the to-do lists. On Monday, Jill is proud to find that she remembers 95 percent of the tasks without
referring to the list. On Tuesday, her memory drops to 80 percent, and by Thursday, she is dismayed to see her performance has declined to 20 percent. Jill's memory is declining over the course of the week because other information she encounters is "competing" with that which she memorized on Monday. This process is called a. anterograde amnesia. b. episodic buffering. c. chunking. d. proactive interference.
According to Glaser and Strauss, dying trajectories
a. are characteristically predictable b. move toward death at a constant rate of speed c. are defined by a common shape in terminal illness d. all of these e. none of these
Which is an example of the influence of semantic categories on cognitive maps?
a. We judge Cleveland to be further away from Toledo than it actually is because both are in the state of Ohio. b. We judge Vancouver to be further away from Seattle because they are in different nations. c. We judge Detroit to be a larger city than it is because we have heard a lot about it in the news. d. We judge New York to be further away from Boston that it actually is because there is so much traffic between the two cities.
Davina's longitudinal study of the effects of subsidized child care on behavior problems was criticized because all the participants she enlisted came from families that had positive previous experiences with child care. Choosing only these participants is an example of ________.
A. cohort effects B. selective attrition C. practice effects D. biased sampling