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In the same investigation what type of variable is plant growth?

Answer and explanation

Correct answer: Dependent variable

The direct answer is C: dependent variable. In an investigation, the independent variable is the factor deliberately changed, the dependent variable is the result measured, and controlled variables are kept the same. Step by step: ask what the investigator changes; ask what response is measured; ask what conditions must stay equal. Plant growth is the response, such as increase in height, mass, or number of leaves, so it depends on the chosen condition and is the dependent variable. Option C is correct. Option A is wrong because a controlled variable is kept constant, not measured as the main outcome. Option B is wrong because “constant” describes something held unchanged and is not the role of plant growth here. Option D is wrong because growth is central evidence, not irrelevant. Exam cue: “what is measured as the effect?” usually identifies the dependent variable.

Related tags

Dependent-VariablePlant-GrowthMeasurementOutcomeScientific Questions And ObservationsExploration: Entering The World Of Secondary ScienceExploration Entering The World Of Secondary ScienceScience

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