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In which statement is the dependent variable correctly identified?

Answer and explanation

Correct answer: Measuring plant growth and calling it the dependent variable

The direct answer is B. The dependent variable is the result that is measured in an investigation; it may change because the independent variable is changed. If a plant experiment changes a factor such as water or light and measures plant growth, growth is the dependent variable. Option A is wrong because changing the water amount describes the independent variable, not the measured result. Option B is correct: plant growth is measured and is therefore dependent. Option C is wrong because keeping soil the same describes a controlled variable, not the dependent variable. Option D is also wrong because keeping pot size the same is another controlled condition. A useful chain is: change one factor, keep other conditions controlled, measure the outcome. Memory cue: dependent means the measured result that depends on the test factor.

Related tags

Dependent VariablePlant GrowthMeasured OutcomeHypothesis And ExperimentationExploration: Entering The World Of Secondary ScienceExploration Entering The World Of Secondary ScienceScienceClass 9 Mcq

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