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Rama09 [41]
3 years ago
12

Which type of research allows a researcher to control a variable? A. Experimentation B. Correlational C. Collective D. Hypothesi

s
Health
1 answer:
vekshin13 years ago
7 0

Answer:

(A) Controlled experiments/Experimentation

Explanation:

Experimental research involves the manipulation of an independent variable and the measurement of a dependent variable. Random assignment to conditions is normally used to create initial equivalence between the groups, allowing researchers to draw causal conclusions.

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