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A researcher designs a study to assess the effects of individual versus group practice on problem-solving achievement of fifth-grade children. Two teachers in an inner city elementary school volunteer to participate in the study and decide to use the classes that they are already teaching. The teachers decide between themselves which method, either the individual or group method, their students will use. After a 10 week period, a problem solving test is administered to the children. Discuss the threats to internal and external validity in this study.
Operational Assignments
Specific tasks or responsibilities assigned to individuals or teams aimed at sustaining the daily functions and performance of an organization.
Accurate Feedback
Precise and helpful information provided to someone about their performance, intended to support learning and improvement.
Digoxin
A medication used to treat heart conditions such as atrial fibrillation and heart failure by increasing cardiac output.
Apical
Pertaining to the apex or tip of a structure, such as the apical pulse found at the tip of the heart.
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