Mr. Grayson demonstrated an experiment at the beginning of class. Then each student worked in pairs to carry out the experiment and collect data.Which term best describes what took place during the class?

Replication occurs when a different person or group carries out an experiment again to see whether the results can be reproduced. Mr. Grayson demonstrated the experiment, and student pairs then performed it and collected data, so this is replication. Repetition would mean the same person repeating the experiment or measurements.

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