Social Studies, 29.11.2021 18:50 jeronimo18

A researcher notes that a participant performs more poorly during the experimental condition compared with the control condition, but this difference is confounded with a change over timeâ€"fatigue. During the experimental condition, the participants had already been participating in the study for more than 1 hour. This threat to internal validity is known as

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A researcher notes that a participant performs more poorly during the experimental condition compare...