Sentences with phrase «determine homogeneous groups»

Not exact matches

A prospective, controlled study of the effect of breast milk on infection among low birth weight infants was conducted in India in 1981.18 Although the sample size was small, 62 infants, the study design was a randomized block design in which feeding schedules for breast milk or formula were randomly allocated within groups of infants that were determined to be relatively homogeneous with respect to factors predisposing to infection.

Also, it is suggested that one determine if the activity should be done in cooperative learning groups, and if it is, then the number of students in each group and whether they should be heterogeneous or homogeneous.