A Research Study in a Laboratory Setting Incorporates Four Groups

question 4

Multiple Choice

A research study in a laboratory setting incorporates four groups (two control and two experimental) in which only one experimental group and one control group are pretested, while all four groups are posttested. Which descriptions of the design are accurate? (Select all that apply.)

• A) Experimental design
• B) After-only experimental design
• C) Real-world experimental design
• D) Quasi-experimental design
• E) Solomon four-group design

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Definitions:

Myocytes

Muscle cells; also called muscle fibers.

Muscle Fibers

The long, slender cells that make up muscles, capable of contracting to produce movement.

Sarcoplasm

The cytoplasm of a muscle fiber.

Myofibrils

Long structures that fill the sarcoplasm of a muscle fiber.