Characteristics of the scientific method necessarily include

ALaboratory experiments only

BControlled observation ✓ Correct

CAnalysis without any formulation

DComplete reliance on intuition

Correct answer: (B) Controlled observation

Explanation

The scientific method necessarily includes controlled and systematic observation.

Laboratory experiments alone are too narrow, since field work also qualifies.

Analysis without any formulation abandons hypotheses and theory.

Complete reliance on intuition is unscientific and unverifiable.

Control lets the researcher isolate the effect of one factor.

Objectivity, empiricism and replicability round out the method.

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