Francis was recording plant heights for an experiment. Each time that she took a measurement, she wrote it down. Then, she measured the plant again and compared the new measurement to the one that she had recorded in her notebook. What was she most likely trying to do?

Writing down each measurement and comparing the next one with the notebook helps Francis verify that the measurements are consistent and accurately recorded. This makes the data more valid. Revising a hypothesis or forming a conclusion would come later, after reviewing the results, and checking her memory is not the main purpose of recording and comparing measurements.

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