A "Fan" Shape in a Scatterplot Indicates

question 4

Multiple Choice

A "fan" shape in a scatterplot indicates:

• A) nonconstant error variance 
• B) a nonlinear relationship 
• C) the absence of outliers 
• D) sampling error

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Definitions:

Criterion Validity

The extent to which a measure is related to an outcome or criterion that it is supposed to predict.

Internal Consistency Validity

A measure of the reliability of a test or scale, indicating how well the items on the test measure the same construct or concept.

Content Validity

The extent to which a test measures all aspects of the concept or content it intends to measure.

Multiple-Forms Reliability

A type of reliability test where different forms of a test are administered to the same group of people, measuring the consistency of the results across the different forms.