116 Olivia Wants to Find Out How Many Calories Children

Question 126
Multiple Choice

116 Olivia wants to find out how many calories children of various ages consume.She asks parents of children aged 2 to 6 to bring their children to the laboratory for an hour session.While there,children are encouraged to eat as much as they want.Which of the following designs is Olivia using? A)longitudinal B)microgenetic C)cross-sectional D)longitudinal-sequential