What design? Analyze the design of each researchexample reported. Is it a sample survey, an observational study, or an experiment? If a sample, what are the popula-tion, the parameter of interest, and the sampling procedure? If an observational study, was it retrospective or prospective? If an experiment, describe the factors, treatments, randomi-zation, response variable, and any blocking, matching, or blinding that may be present. In each, what kind of conclu-sions can be reached? People who read the last page of a mystery novel firstgenerally like stories better. Researchers recruited 819college students to read short stories, and for one story,they were given a spoiler paragraph beforehand. On thesecond and third story, the spoiler was incorporated as the opening paragraph or not given at all. Overall, par-ticipants liked the stories best after first reading spoilers. (Source: Psychological Science, August 12, 2011)

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 6E: List the sample space of each experiment. Tossing three coins
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What design? Analyze the design of each research
example reported. Is it a sample survey, an observational
study, or an experiment? If a sample, what are the popula-
tion, the parameter of interest, and the sampling procedure?
If an observational study, was it retrospective or prospective?
If an experiment, describe the factors, treatments, randomi-
zation, response variable, and any blocking, matching, or
blinding that may be present. In each, what kind of conclu-
sions can be reached?
People who read the last page of a mystery novel first
generally like stories better. Researchers recruited 819
college students to read short stories, and for one story,
they were given a spoiler paragraph beforehand. On the
second and third story, the spoiler was incorporated as
the opening paragraph or not given at all. Overall, par-
ticipants liked the stories best after first reading spoilers.
(Source: Psychological Science, August 12, 2011)
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