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The criterion of time order indicates that the variation in the independent variable came before the


A) Time sensitive criterion variable
B) Dependent variable
C) Variation variable
D) Mechanistic variable

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Being able to show that variation in the independent variable came before variation in the dependent variable is crucial in illustrating the criterion of time order.

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A longitudinal research design is a study in which data can be collected


A) At only one point in time
B) At two or more points in time
C) As though a snapshot were taken from a camera
D) None of the above

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An important feature of a true experiment is that there is random assignment to


A) One comparison group
B) Two or more comparison groups
C) The associative group
D) The nonspurious comparison group

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Using a Solomon four-group design, subjects are randomly assigned to


A) Four different experimental groups
B) Three experimental groups and a comparison group
C) Three comparison groups and an experimental group
D) Two experimental groups and two comparison groups

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A discernable process that creates a causal connection between two variables is


A) The context
B) A mechanism
C) A spurious relationship
D) None of the above

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Social experiments conducted in the 'real world' are known as


A) City experiments
B) Field experiments
C) Town experiments
D) None of the above

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A source of causal invalidity that occurs when subjects who are chosen for a study because of their extreme scores on the dependent variable become less extreme due to natural cyclical or episodic change in the variable is known as


A) The regression effect
B) The maturation effect
C) The testing effect
D) The endogenous effect

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Empirical association is one of the conditions necessary to determine causality.

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All true experiments measure the outcome in both groups after the experimental group has received the treatment which is known as the


A) Pretest
B) Subtest
C) Ex post facto test
D) Posttest

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The assessment of change in the dependent variable for both groups after the experimental condition has been applied is known as


A) The pretest
B) The ex post facto test
C) The assigned test
D) The posttest

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All true experiments have a posttest.

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The control group in a true experiment receives the treatment, or experimental manipulation.

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Nonspuriousness is a relationship between two variables not due to a variation in a third variable.

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Social experiments are always conducted in a laboratory or controlled environment.

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When subjects develop or change during the experiment as part of an ongoing process independent of the experimental treatment is known as


A) Exogenous change
B) Contamination effects
C) Selection bias
D) Endogenous change

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Data collected at two or more points in time are


A) Cross-sectional designs
B) Inefficient designs
C) Longitudinal research designs
D) Event Based Designs

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The John Henry effect is a type of contamination in experimental and quasi-experimental designs that occurs when control group members become aware that others are being denied some advantage and they increase their efforts by compensating.

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If an event such as the murder trial of O.J.Simpson occurred during an experiment which changes the subjects' outcome scores, the effect on the experiment would be known as the


A) history effect
B) histrionic effect
C) contamination effect
D) regression effect

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When treatment group members compare their situation to that of the control group members who are not receiving the treatment; experimental group members feel special simply because they are in the experiment.This effect is known as


A) The Electric Company effect
B) The Hawthorne effect
C) The Chicago effect
D) None of the above

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