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Which statement increases the objectivity of a scientific observation?

Answer and explanation

Correct answer: Twelve fully developed leaves were counted on the plant

The direct answer is C. An objective observation uses a clear definition and something that can be counted or measured, so another person can check it. “Twelve fully developed leaves” gives a number and a defined condition: only leaves meeting the stated development criterion are counted. Option A, “looked good,” is a personal opinion and different observers may disagree. Option B, “about many leaves,” is vague, gives no exact number, and has no clear meaning. Option C is correct because it is specific, measurable, and repeatable. Option D, “seemed weak,” is also a subjective impression without a stated measurement. Reliable science replaces feelings with agreed criteria, counts, units, or recorded observations. Memory cue: objective means observable, countable, and checkable.

Related tags

ObjectivityCountingLeaf NumberObservationScientific Questions And ObservationsExploration: Entering The World Of Secondary ScienceExploration Entering The World Of Secondary ScienceScience

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