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SPCE 630 Midterm Exam with correct answers
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SPCE 630 Midterm Exam with correct answers
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SPCE 630 Midterm Exam with correctanswers
Threats to internal validity include: - correct answer -History, maturation, testing, procedural infidelity,
testing, instrumentation, selection bias, multiple treatment interference, data instability, cycliccal
variability, regression to the mean, adaptation, Hawthorne effect
History: - correct answer -Events that occur during the experiment but that are not related to the
planned procedural changes that may influence the outcomes
Maturation - correct answer -Changes in behavior due to the passage of time.
Testing - correct answer -Occurs when participants need to respond to the same test repeatedly during
a baseline or probe condition, which influences responding.
Instrumentation - correct answer -Threats related to the measurement system, and are of concern
because of repeated measurement by human observers who may make errors.
Procedural Infidelity - correct answer -Inconsistent implementation of the experimental condition.
Attrition - correct answer -The loss of participants during a study, which limits the generality of findings.
Multiple Treatment Interference - correct answer -Occurs when a participant's behavior is influenced by
more than one planned intervention during the course of a study
Cyclical Variability - correct answer -A type of data instability that refers to a repeated and predictable
pattern in the data series over time.
Sequential confounding: - correct answer --May influence the participants' responding based on the
order in which the experimental conditions are introduced to participants.
-Can be controlled by counterbalancing.
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