One research team randomly assigned hospitalized premature infants either to formula feedings or to breast-milk feedings.Which research method did they use?
A) case study
B) experimentation
C) naturalistic observation
D) correlational research

Question

Quizplus · Accepted Answer

The research team used an experimental method by randomly assigning the premature infants to either formula feedings or breast-milk feedings. This allowed them to manipulate the independent variable (type of feeding) and observe any potential effects on the dependent variable (the health or growth of the infants).

One Research Team Randomly Assigned Hospitalized Premature Infants Either to Formula