A "Scale" Would Be Best Defined As

question 24

Multiple Choice

A "scale" would be best defined as:

• A)a number of items that are combined to form a composite score on a variable.
• B)an item that is both valid and reliable.
• C)a measuring device that achieves at least an interval level of measurement.
• D)a measuring device that involves asking people questions and recording their answers.

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Definitions:

Co-vertices

The endpoints of the minor axis of an ellipse, considered less significant than the primary vertices.

Vertex

The highest or lowest point of a parabola, representing the maximum or minimum value of a quadratic function.

Vertex

The highest or lowest point of a parabola where it changes direction, or a corner point of a geometric shape.

Focus

In geometry and optics, the point where rays or waves meet or from which they diverge, especially after reflection or refraction.