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What is the main problem if the dependent variable is recorded using terms such as very good or poor?

Answer and explanation

Correct answer: The measurement will be subjective and vague

A dependent variable is the result that is observed or measured in an experiment. For the result to be compared fairly, it should be described using a clear and repeatable measurement. Words such as “very good” and “poor” do not have a fixed meaning. Different people may use them for different levels of performance, so the recorded result may vary even when the actual observation is similar.

The main problem is therefore that the measurement becomes subjective and vague, which is option D. A better record might use a count, time, height, distance, score or another stated scale, depending on the experiment. The independent variable does not disappear, and controlled variables do not increase merely because the description is unclear. Clear numerical or defined categories make results easier to compare.

Related tags

Subjective-MeasurementDependent-VariableObjectivityVariables In An ExperimentExploration: Entering The World Of Secondary ScienceExploration Entering The World Of Secondary ScienceScienceClass 9 Mcq

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