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When Diana transitioned from elementary school to middle school, she moved from being one of the oldest, biggest, and most powerful students in the elementary school to being one of the youngest, smallest, and least powerful students in the middle school. This phenomenon is known as the
Operational Definition
A specific description of a concept or variable in terms of the methods used to measure or manipulate it in a given study.
Construct Validity
The extent to which a test measures what it claims to measure, assessing the accuracy of an instrument or experiment.
Conceptual Replication
The process of conducting a study with different methods or measures than the original to validate the same underlying concept or hypothesis.
Direct Replication
The process of conducting a study with the same methodology and under the same conditions as a previous study to verify its results.
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