Suppose a pharmaceutical company is designing a double-blind experiment to test their new allergy medication. They divide the 200 subjects by gender and then randomly assign the men and women to either receive the medication or a placebo. The researcher finds that even the group receiving the placebo (a sugar pill) showed a decrease in allergy symptoms. Which of the following accounts for this result?
Choose the correct answer below.
- οικοςLv 710 months ago