Internal Validity Is Concerned with Which of the Following

question 52

Multiple Choice

Internal validity is concerned with which of the following?

• A)the representativeness of the sample test units
• B)the extent that the observed relationship between the independent variable and the dependent variable is generalizable to the real world
• C)the measurement of extraneous variables that are internal to the experimental setting itself
• D)the extent to which the change in the dependent variable was actually due to the independent variable
• E)the control of the complex variables not having an effect on the independent variable

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Definitions:

Gait

The way a person walks, consisting of two phases: stance and swing.

Lateral Flexion

The bending of the body or any of its parts to the side, often referring to movements of the spine away from the midline.

Mobility Testing

A process of assessing the range of motion and ease of movement in joints, muscles, and the body as a whole to identify potential limitations or issues.

Muscle Strength Testing

A clinical examination conducted to evaluate the function and strength of individual muscles and muscle groups based on a standardized grading system.