Participants in Trials of an Experimental Intervention Are Asked to Track

question 10

Multiple Choice

Participants in trials of an experimental intervention are asked to track their daily food and liquid intake during the length of the trial period. Which of the following statements would best explain why the participants report higher-than-average water intake and lower-than-average intake of juices and sodas when compared with the general population?

• A) Type II error
• B) Hawthorne effect
• C) Instrumentation error
• D) Double-blind experimental design

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Definitions:

Maximum Temperature

The highest temperature recorded in a given set of temperature data or over a specific period.

Sales Of Ice Cream

Refers to the total volume or revenue generated from selling ice cream within a specific period.

Correlation Coefficient

A statistical measure that calculates the strength between two variables and their level of association, ranging from -1 to 1.

Sample Correlation Coefficient

A measure that quantifies the degree to which two variables change together, indicating the strength and direction of their linear relationship in a sample.