Which Statement(s) Is/are True Regarding Postural Sway

question 48

Multiple Choice

Which statement(s) is/are true regarding postural sway?

• A) it affects balance in the elderly
• B) it is reduced by widening the BOS to a certain point
• C) it is increased by putting one foot in front of the other
• D) both A and B
• E) all of the above

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Definitions:

Kuder-Richardson

A set of formulas used to assess the reliability of binary (e.g., true/false, yes/no) scored tests or items within tests.

Low Validity

refers to the situation where a test does not accurately measure what it is supposed to measure, indicating a weak relationship between test scores and the intended construct.

Item Characteristic Curve

A graphical representation that shows the probability of a respondent answering a test item correctly at different levels of ability.

Item Response Theory

A theory and related statistical models that estimate the probability of an individual responding to a specific item on a test, based on the item characteristics and the individual's latent trait level.