Which of the following research designs compares preexisting groups, tends to have high external validity, and is the only design available for topics for which random assignment to groups would be impossible?
a. case study
b. single-subject
c. quasi-experimental
d. experimental
C
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In 2012, the Association for Psychological Science appointed a blue-ribbon panel of experts to review the latest research and draw some conclusions about online dating. Which of the following statements is NOT supported by their study?
a. Online dating offers a greater range of partners than conventional dating. b. Online dating allows for some degree of relationship to be built prior to meeting. c. Online dating algorithms are largely successful at paring potential mates down to one soul mate. d. Online dating profiles can misrepresent physical appearances.
In the analysis of variance, MSGroups measures how different group means are, and MSerror measures variability within each group. If the null hypothesis were false, what would we expect to find?
a. That MSgroups and MSerror would be roughly equal. b. That MSgroups would be larger than MSerror. c. That MSerror is larger than MSgroups. d. That MSerror is close to zero.
Lila has a schema about birthday cake that includes "round shape," "frosting on top," and "tastes sweet." She then tries a cupcake for the first time. This cupcake meets all of her criteria for birthday cake and she does not adjust her schema after this experience. This example best illustrates the process of
A. accommodation. B. assimilation. C. conservation. D. theory of mind (TOM).
What is the purpose of a lineup?
a) To help identify suspects of a crime b) To decide who will go to jail c) To provide the victim of a crime with closure d) To ease the amount of work police forces must handle