TASC Transdisciplinary Science Practice Questions - TASC Transdisciplinary Science Level 3 (TDS315123) Exam

Which statement best defines the independent variable in a controlled scientific investigation?

The outcome that is measured in response to a treatment The factor the investigator deliberately changes to test its effect Any factor held constant across all experimental trials An unplanned external influence that randomly distorts results

Correct Answer:

The factor the investigator deliberately changes to test its effect

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