The three main types of research designs are descriptive,correlational,and
A)observational.
B)covert.
C)experimental.
D)overt.

Question

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The three main types of research designs are descriptive, correlational, and experimental. The only option that completes the list with a different type of research design is C, experimental. A is incorrect as observational research design falls under the category of descriptive research design. B and D are not valid terms for types of research designs.

The Three Main Types of Research Designs Are Descriptive,correlational,and