How Is Visibility Measured

question 7

Multiple Choice

How is visibility measured?

• A) Distance at which a black object can be seen against a white background
• B) Distance at which a light object can be seen against a dark background
• C) By measuring fog intensity
• D) By measuring how dark the surrounding environment is
• E) A & B

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Definitions:

Predictor Variable

A variable that is used to make a prediction of an individual’s score on another variable (the criterion variable). Conceptually similar to an independent variable.

Aptitude Test

An examination designed to measure an individual’s potential to acquire skills or knowledge.

Expected Performance

The anticipated level of performance or achievement based on standards or prior outcomes.

Single-case Design

An experimental research design focusing on the response of a single subject to a controlled intervention or treatment.