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Who was the first chemist to recognize patterns in chemical properties of the elements?
Predictions
Forecasts or anticipations about future events based on current evidence or trends.
Paired Samples T-tests
A statistical procedure used to compare the means of two related groups to determine if there is a significant difference between them.
Pretest
An initial examination or evaluation conducted before a major treatment or intervention to establish a baseline or control variables.
Post-test
An evaluation or assessment conducted after a training, course, or specific period of time to determine what participants have learned or how conditions have changed.
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