Table 3.

Manipulation check for unit and calorie information

	No unit information	Unit information	No calorie information	Calorie information
	n = 131	n = 133	n = 132	n = 132
Number of units/caloriesa guessed (mean, SD)	1.65 (1.51)	1.65 (0.88)	256.70 (219.85)	170.17 (75.40)
Guessing # units/caloriesa correctly (%)	0.0	14.3	0.0	36.4
Guessing # units/caloriesa within 15% of true value (%)	17.6	41.4	10.6	53.0

^aValues represent guesses for unit content in Columns 2 and 3 and calorie content in Columns 4 and 5.