There are few studies evaluating alternative measuring devices ... The mean volumes ± SD measured with the syringe and cup were 4.5 ± 0.7 mL and 6.3 ± 0.7 mL, respectively (p < 0.001).

One milliliter (cubic centimeter ... Then have each group label the two paper cups and the glass measuring cup. Fill the cups with the following contents: cup 1 (paper cup): filled to the top ...