An Educational Psychologist Is Interested in Comparing Two Educational Techniques

Multiple Choice

An educational psychologist is interested in comparing two educational techniques in a sample of preschool children.In part because she believes that one technique might be more effective than the other,children are randomly assigned to the two techniques so that every child has the same opportunity to be assigned to the more effective technique.Randomly assigning students to groups satisfies which feature of ethical research?

A) external validity
B) beneficence
C) being just
D) respecting persons