Brittany Is Conducting a Study in an Elementary School

question 38

Multiple Choice

Brittany is conducting a study in an elementary school. In the morning she collects data about how they feel about their teacher, she asks similar questions right before lunch and receives more negative responses. What threat to internal validity should she consider as a possible reason for this change?

• A) regression toward the mean
• B) maturation
• C) testing
• D) history

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