602- Readings threats to internal validty

History
- Events that occur during the course of the experiment, other than the manipulated independent variable, that occur during the course of the experiment and that may affect the outcome
- An example would be historical events that had a major impact in the participant’s environment like a terrorist attack
Maturation
- Psychological or physical changes taking place within subjects that occur with the passing of time regardless of the experimental manipulation.
- Subjects may become hungry throughout participating in the study which can result in fatigue
Attrition

The loss of subjects

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calhounk1

353471

Card Set

602- Readings threats to internal validty

Description

threats to internal validity

Updated

2020-10-13T18:28:14Z

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