⏰ when
When was the first description of the placebo-controlled clinical trial method published?
PsychologyResearch methods
Quick Answer
Modern placebo-controlled trial methods were formalized in the mid-20th century, with a landmark 1948 streptomycin trial often cited.
The Full Story
A landmark 1948 Medical Research Council trial of streptomycin for tuberculosis is often cited as one of the first major randomized controlled trials using rigorous comparison methods. While the placebo-controlled trial idea developed over time, this study helped establish the modern standard for testing treatments fairly. Random assignment and control groups reduced bias and made results more trustworthy. That approach became the gold standard in medicine and later influenced psychology research as well.
Key Facts
1.Landmark trial published in 1948
2.Used randomized comparison methods
3.Helped establish the controlled trial standard
YouTube Angle
Suggested video title for this topic:
"The 1948 trial that changed how science tests treatments"