A Weight-Management Researcher Was Interested in Whether the Size of Breakfast

question 120

Multiple Choice

A weight-management researcher was interested in whether the size of breakfast could deter overall food consumption throughout the rest of the day.He creates two breakfast groups, a 350-calorie breakfast and a 750-calorie breakfast, assigns six participants to each group, and tracks their total calories eaten in one day.Because of the detailed attention needed to accurately interview participants about their eating, he works with the high-calorie group and has his assistant interview the low-calorie group.How many levels does the independent variable have in this study?

• A) 1
• B) 2
• C) 6
• D) 12

---

Definitions:

Functioning Time

The duration for which a system or device operates effectively without failure.

Standard Deviation

Standard deviation is a measure of the amount of variation or dispersion of a set of values, indicating how much the values deviate from the mean.

Swimming Time

The duration it takes for a swimmer to complete a prescribed distance under specific conditions.

Standard Deviation

A metric that calculates the degree of spread or variability within a dataset.