The article “Dieters Should Use a Bigger Fork” ( Food Network Magazine, January/ February 2012) described an experiment conducted by researchers at the University of Utah. The article reported that when people were randomly assigned to either eat with a small fork or to eat with a large fork, the mean amount of food consumed was significantly less for the group that ate with the large fork.
a. What are the two treatments in this experiment?
b. In the context of this experiment, explain what it means to say that the mean amount of food consumed was significantly less for the group that ate with the large fork.