Table 1. Foods used in the progressive ratio schedules of reinforcement task to measure food reinforcement.

		Kcal/gram	%CHO1	%Fat2	%Pro3	%Sugar4
“Unhealthy” food options	Snickers	4.9	50.2	43.6	6.2	41.2
	Nacho Cheese Doritos	5.40	48.0	48.0	5.2	2.7
	Oreo cookies	4.7	60.2	38.0	4.7	35.0
“Healthy” food options	Nutri-grain bar	3.2	73.3	20.6	6.1	80.0
	Dried Banana	5.2	42.8	55.7	0.02	6.8
	Mixed nuts	6.1	12.5	75.2	12.3	0.03

¹%CHO: percent of total kcal derived from carbohydrates

²%Fat: percent of total kcal derived from dietary fat

³%Protein: percent of total kcal derived from protein

⁴%Sugar: percent of total kcal derived from added sugars.