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SPCE 630 Midterm Questions and answers latest update

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SPCE 630 Midterm Questions and answers latest update Threats to internal validity include: History, maturation, testing, procedural infidelity, testing, instrumentation, selection bias, multiple treatment interference, data instability, cycliccal variability, regression to the mean, adaptation, H...

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  • May 25, 2024
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  • 2023/2024
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SPCE 630 Midterm Questions and answers latest
update
Threats to internal validity include:
History, maturation, testing, procedural infidelity, testing, instrumentation, selection bias, multiple
treatment interference, data instability, cycliccal variability, regression to the mean, adaptation,
Hawthorne effect


History:
Events that occur during the experiment but that are not related to the planned procedural changes
that may influence the outcomes


Maturation
Changes in behavior due to the passage of time.


Testing
Occurs when participants need to respond to the same test repeatedly during a baseline or probe
condition, which influences responding.


Instrumentation
Threats related to the measurement system, and are of concern because of repeated measurement
by human observers who may make errors.


Procedural Infidelity
Inconsistent implementation of the experimental condition.


Attrition
The loss of participants during a study, which limits the generality of findings.


Multiple Treatment Interference
Occurs when a participant's behavior is influenced by more than one planned intervention during the
course of a study


Cyclical Variability
A type of data instability that refers to a repeated and predictable pattern in the data series over
time.


Sequential confounding:
-May influence the participants' responding based on the order in which the experimental conditions
are introduced to participants.
-Can be controlled by counterbalancing.


The hypothesis that states that there is no significant difference between samples is:
The null hypothesis

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