Which Type of Experimental Design Allows for an Investigation of the Interaction

question 112

Multiple Choice

Which type of experimental design allows for an investigation of the interaction of two or more independent variables?

• A) basic experimental designs
• B) factorial experimental designs
• C) hierarchical experimental designs
• D) instrumental experimental designs

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Definitions:

Vitamin C

An essential nutrient that acts as an antioxidant, supports the immune system, and is necessary for the synthesis of collagen.

Pulp Cavity

The innermost part of a tooth, containing nerves, blood vessels, and connective tissue.

Dentin

A calcified tissue that forms the main body of a tooth beneath the enamel and surrounds the tooth pulp.

Cementum

A calcified tissue that covers the roots of teeth and helps anchor them into the jawbone.