Under What Circumstances Is the Point-Biserial Correlation Used

question 48

Multiple Choice

Under what circumstances is the point-biserial correlation used?

• A)in the same circumstances when a repeated-measures t test would be used
• B)in the same circumstances when an independent-measures t test would be used
• C)when both X and Y are dichotomous variables
• D)when both X and Y are measured on an ordinal scale (ranks)

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Definitions:

Screencasts

Recordings of activity on computer displays with audio voiceover.

Audio Voiceover

A production technique where a voice—that is not part of the narrative—is used in radio, television production, filmmaking, theatre, or other presentations.

Computer Activity

Any action or task performed on a computer, ranging from browsing the internet to using software applications.

Analyze The Situation

The process of examining a situation in detail to understand its components, causes, and potential solutions.