Topic

Research methods

2 questions tagged Research methods — spanning every one of the seven Ws.

when

When was the first description of the placebo-controlled clinical trial method published?

Modern placebo-controlled trial methods were formalized in the mid-20th century, with a landmark 1948 streptomycin trial often cited.

PsychologyResearch methods
what

What is the placebo-controlled trial?

A placebo-controlled trial is a study that compares a real treatment with an inactive placebo to test whether the treatment has a true effect. It is a key method in medical and psychological research.

PsychologyResearch methods