https://www.humantruth.info/tags/bertram_forer.html
Main page:
Human Truth Foundation pages (4):
Astrology: Do Observed Positions of the Planets Influence Our Lives in Mystical Ways?: 3.3. The Forer/Barnum Effect (The Abuse of Psychology)
Spiritualism: 4.3. The Forer (Barnum) Effect
Pseudoscience and Health: The World of Alternatives (to Truth): 3.4. The Forer (Barnum) Effect
Errors in Thinking: Cognitive Errors, Wishful Thinking and Sacred Truths: 1.4. The Forer (or Barnum) Effect