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

question 113

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.What is the confounding variable in this study?

• A) total calories consumed
• B) the low- and high-calorie breakfasts
• C) weight loss experienced in the day
• D) the researcher conducting the interviews

---

Definitions:

Annuity Due

An annuity for which payments are made at the beginning of each period.

Equal Annual Deposits

Routine, consistent amounts of money deposited into an account or investment over a set period.

College Tuition

Refers to the amount of money charged by colleges or universities for instruction and other services.