Psychology (13th Edition) – David G. Myers & Nathan C. DeWall (2025 Updated Study Guide Overview)

TEST BANK
PSYCHOLOGY THIRTEENTH EDITION
David G. Myers & C. Nathan DeWall

,Chapter 1: Thinking Critically with Psychological Science
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Myers: Psychology 13th Edition a a a




MULTIPLE CHOICE a




Indicate the answer choice that best completes the statement or answers the question.
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If results are statistically significant but have a small effect size, the results may
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lack practical significance. a a



lack a cause-effect relationship. a a a



represent a negative relationship. a a a



represent a neutral relationship. a a a




In one study, introductory psychology students were fitted with electronically activated recorders so that researc
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hers could sample their daily activities. The researchers were employing a scientific method known as
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naturalistic observation. a



the double-blind procedure. a a



experimentation.
the case study. a a




Studies conducted in the late 1990s in which the researcher concluded that children who were administeredthe M
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MR vaccination developed autism were
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withheld from the public intentionally. a a a a



accurate.
never published by academic journals. a a a a



discovered to be fraudulent. a a a




Seven members of a boys' club reported the following individual earnings from their sale of cookies: $2, $9,
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$8, $10, $4, $9, and $7. In this distribution of individual earnings
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the median is greater than the mean and greater than the mode.
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the median is less than the mean and less than the mode.
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the median is greater than the mean and less than the mode.
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the median is less than the mean and greater than the mode.
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Professor Valetta believes that identical twins have similar levels of intelligence largely because they sharecomm
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on genes. His idea is best described as a(n)
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theory.
replication.
naturalistic observation. a



operational definition. a




The idea that "people's emotions and personal beliefs often override their acceptance of objective facts" isexpre
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ssed in the dictionary definition of
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false news. a

, post-truth.
powerful examples. a



repetition.
Professor Terrance has conducted a study that examined the relationship between level of physical activityand
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academic performance among children. He is most likely to use
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to determine if a relationshipexists.
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meta-analysis
preregistration
a correlation coefficient
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experimental research a




The tendency to perceive order in random events often leads to overestimating the value of
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common sense. a



operational definitions. a



informed consent. a



the double-blind procedure.
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Dr. Carlson wants to conduct a research study that will examine the sexual behaviors of college students.
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Before she can begin data collection she must submit her research proposal to
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her institution's review board.
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the APA. a



the BPS. a



her department chair for review.
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Approximately what percentage of the cases represented by the normal curve fall between
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3 and +3standard deviations from the mean?
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34
68
95
d. 100 a




Unconscious gut feelings, or a a a , provide(s) a sharp contrast to explicit, conscious reasoning.
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theory
chance-based explanation a



common sense a



naturalistic observation a




The explanatory power of a scientific theory is most closely linked to its capacity to generate testable
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assumptions.
correlations.
predictions.
variables.

Several weeks after a political election, voters often exaggerate their ability to have predicted the electionoutcom
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e. This best illustrates
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, the placebo effect. a a



random assignment. a



wording effects. a



hindsight bias. a




Repeating the essence of a previous research study to verify whether its findings extend to a new group ofresearch
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participants and to different circumstances is called
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replication.
random sampling. a



naturalistic observation. a



the double-blind procedure.
a a




What was the Oxford English Dictionary's word of the year in 2017?
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false news a



preregistration
post-truth
repetition

Neither the researchers nor the participants in a study of a weight-
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loss pill know which participants haveactually received a drug designed to help weight loss and which have rece
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ived a placebo. This investigationinvolves the use of
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naturalistic observation. a



random sampling. a



the double-blind procedure.
a a



replication.

Which of the following correlations between self-
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esteem and physical appearance would enable you to mostaccurately predict physical appearance from knowledge
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of level of self-esteem?
a a a


a. +.60 a



b. +.01 a



c. –.10 a



d. –.06 a




When we ask, for example, how closely related are the intelligence scores of fraternal twins, we are askinghow str
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ongly two a are related. a


experimental groups a



control groups a



variables
scatterplots

When you read a bar graph, it is most important for you to
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mentally transform the data into a normal curve. a a a a a a a




identify the value of the standard deviation. a a a a a a



note the range and size of the scale values.
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