Question

To assess the impact of dietary changes on energy levels, nutritionist Dr. Laura Chen and her team conducted a year-long study of office workers who altered their lunch habits. Participants were divided into three groups: those who ate a high-carb lunch, those who ate a high-protein lunch, and those who ate a balanced meal. Energy levels were measured at three different points: at the start of the study, six months in, and at the study's conclusion. After analyzing the results, Dr. Chen concluded that a balanced meal at lunch might be more effective at sustaining energy levels throughout the afternoon than meals focused on a single macronutrient.

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Which choice *best* describes data from the study that support Dr. Chen’s conclusion?

Accepted Answer

In both the six-month and final energy measurements, participants who ate a balanced meal had higher average energy levels than did participants who focused on a single macronutrient.

Answer

In the final energy measurement, participants who ate a high-protein lunch had lower average energy levels than those who ate a high-carb lunch, but those who ate a balanced meal had the highest average energy levels.

Answer

In the initial energy measurement, participants who ate a high-carb lunch had higher average energy levels than those who ate a high-protein lunch and those who ate a balanced meal.

Answer

In the six-month and final energy measurements, participants who ate a high-carb lunch had higher average energy levels than those who did not alter their lunch habits.

Question 22 - Reading and Writing Practice Test for the SAT Exam