A team of researchers conduct an experiment to test the effectiveness of a new drug in treating anxiety disorders. The participants in the control group receive sugar pills without active ingredients, while those in the experimental group receive the new, anti-anxiety drug. In this example, the researchers use a:

A. double-blind procedure. B. correlation coefficient. C. placebo. D. single-blind procedure.

C) placebo

Explanation: In this experiment, the researchers used a placebo because neither the control group nor the experimental group knew if they were taking the real drug or the sugar pill without active ingredient.

A placebo is simply a medical or clinical procedure which is meant to trick participates in a clinical experiment that they are been given the trial drugs where as it was just a pills made from inactive ingredients, sometimes it has physical effects on the participants although these effects are more of a psychological phenomenon.

disorders of the brain include both behavior disorders and other psychiatric illnesses. the primary difference between a behavior disorder and another type of psychiatric disorder is the presence of choice. psychiatric conditions are considered to be involuntary while in behavior disorders, choices are essential.

the technology changed agriculture in an impacting manner since many people left the field work by a cellular or other technological appliances