_________ is a threat to internal validity in which an observed association between two variables is at least partially caused by the subjects taking a pretest.
Answer
Correct Answer:
Testing
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_________is a form of validity surrounding the statistical tests that determine whether or not there is a relationship between variables.
Answer
Correct Answer:
Statistical conclusion validity
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________ is a threat to internal validity that occurs when researchers are comparing groups that are different on factors other than the treatment or independent variable.
Answer
Correct Answer:
Selection bias
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________ is a form of experimental research where the subjects are not randomly assigned to the experimental (treatment) or control (nontreatment, comparison) group.
Answer
Correct Answer:
Quasi-experiment
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________ is a form of experimental research where the subjects are not randomly assigned to the experimental (treatment) or control (nontreatment, comparison) group.
Answer
Correct Answer:
Quasi-experiment
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__________ is a threat to internal validity in which subjects behave atypically because they are being observed.
Answer
Correct Answer:
Reactivity
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Posttest only control group design is a type of true experiment that has at least three groups and a posttest, but no pretest.
Answer
Correct Answer:
False
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An observation that occurs after a treatment is known as ?
Answer
Correct Answer:
Posttest
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An observation that occurs prior to a treatment is known as ?
Answer
Correct Answer:
Pretest
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A type of quasi experimental design that has both a control and experimental group as well as both a pre- and foretest is known as Nonequivalent control group design.
Answer
Correct Answer:
False
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________is a threat to internal validity in which an observed association between two variables is at least partially caused by the subject's aging over time.
Answer
Correct Answer:
Maturation
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_____ is a type of quasi-experimental design that is longitudinal. It might have both a control group and/or a pretest.
Answer
Correct Answer:
Interrupted Time-Series Design
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________ is a type of validity that is part of study design and that help facilitate causal inferences.
Answer
Correct Answer:
Internal validity
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A threat to internal validity in which an observed association between three variables is at least partially causing a change in how the variables are measured over time.
Answer
Correct Answer:
Instrumentation
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________ is a threat to internal validity that refers to when events outside of the study can affect the dependent variable.
Answer
Correct Answer:
History effect
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Forms of validity that refer to the generalizability of sample findings to the outside population is known as ?
Answer
Correct Answer:
External validity
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A type of quasi-experimental design that has an experimental and control group, a post test but no pretest is known as ?
Answer
Correct Answer:
Ex post facto control group design
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In an experiment, this is the group that received the treatment that the researcher intends to study is known as ________.
Answer
Correct Answer:
Experimental group
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A term used in experimental design to indicate that the subjects have been randomly assigned to either the experimental or control group and, therefore, should be different on factors other than the treatment is known as Control group
Answer
Correct Answer:
False
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A term used in experimental design to indicate that the subjects have been randomly assigned to either the experimental or control group and, therefore, should be different on factors other than the treatment is known as Control group
Answer
Correct Answer:
False
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________ is a threat to internal validity that occurs when the comparison group may somehow affect the treatment group or if the comparison group receives some of the treatment of the experimental group.
Answer
Correct Answer:
Contamination
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Classic experiment is a form of true experiment that has at least 1 group, a pretest and a posttest.
Answer
Correct Answer:
False
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_______is a type of quasi-experimental design that has only an experimental group but has both a pre- and posttest.
Answer
Correct Answer:
Before-and-after design
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__________ is a threat to internal validity that occurs when too many subjects stop participating in a study over time and/or when subjects who share a specific characteristic disproportionately drop out from either the experimental or control group, making the groups no longer comparable.
Answer
Correct Answer:
Attrition
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