Rosie participates in a study assessing the effectiveness of a drug to treat osteoporosis. Throughout the study, neither Rosie nor the person administering the dosage knows whether she was getting the real medication or a placebo. Rosie is participating in a ____.
A) blind design study
B) correlational study
C) field study
D) double-blind design study

Question

Quizplus · Accepted Answer

In a double-blind design study, neither the participants nor the experimenters know who is receiving the active treatment or the placebo, which helps to eliminate bias in the research results.

Rosie Participates in a Study Assessing the Effectiveness of a Drug