Experimental Studies Utilize Blinding to Prevent Researchers from Biasing Their

question 35

Essay

Experimental studies utilize blinding to prevent researchers from biasing their measurements of the patients. But can they guess the treatment? In a study of a psychotherapeutic intervention, clinicians who were blinded were asked to guess what treatment their patients received. Data from that experiment are shown below. Assume that these data are indicative of the population of these treatments. ​
a)What is the probability that a correct guess is made for a randomly chosen subject?
b)If a randomly chosen subject received the placebo, what is the probability that the researcher correctly guesses the treatment?

---

Definitions:

Bruised Ego

Emotional discomfort or distress caused by an event that negatively affects one's self-esteem or pride.

Erogenous Zones

Specific areas of the body that experience heightened sensitivity and can generate a sexual response when stimulated.

Pleasure-Seeking Energies

The drive towards activities or experiences that provide a sense of satisfaction, enjoyment, or pleasure.

Oedipus Complex

A theory in psychoanalytic theory that describes a child's feelings of desire for the opposite-sex parent and jealousy and envy toward the same-sex parent.