In a Survey Examining the Number of 3^rd Versus 6^th

question 40

Multiple Choice

In a survey examining the number of 3^rd versus 6^th grade students who buy their lunch at school,the most appropriate description of the results would be to

• A) compare group percentages.
• B) correlate scores.
• C) compare group means.
• D) compare lunches.

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Definitions:

Floor Effect

Failure of a measure to detect a difference because it was too difficult.

Paper-and-pencil Questionnaire

A traditional survey method where participants respond to questions written on paper by physically marking their answers.

Functional MRI

A neuroimaging technique that measures brain activity by detecting changes associated with blood flow.

Double-blind Technique

An experimental procedure in which neither the participants nor the experimenters know who is receiving a particular treatment, to prevent bias.