Darren is trying to get his young son to eat his peas. At first, Darren praises him whenever he moves his fork near the peas; after the child does this reliably, Darren praises him only if he actually puts a pea on his fork; then Darren’s praise is only given when the child puts a pea on his fork and moves the fork toward his mouth. Darren carries on this way until the child eats his peas. Darren is using _____ to get his son to eat his peas.

Which factor can be an indicator of someone’s risk for chronic diseases related to obesity?

What is the main cause of obesity according to energy balance principles?

What common symptom indicates a depletion of muscle glycogen during exercise?

What hormone regulates water balance by instructing the kidneys to conserve water?

Which trace mineral is a vital component of thyroid hormones and regulates metabolism?

Anemia caused by iron deficiency primarily results in what symptom?

Heme iron can be primarily found in which types of foods?

Which major mineral is found in the highest concentration in the body?

Which factor is NOT a modifiable contributor to obesity?