---

• s  trying out various means or theories until error is satisfactorily reduced or eliminated
  he argued that all learning is a trial-and-error process that resembles biological evolution
• s  relating to solving problems by experience rather than theory
  they adopted a trial-and-error procedure

• Skillful searching is a trial-and-error process.
• Skillful searching is a trial-and-error process.
• Our own bodies are riddled with quirks that no competent engineer would have planned but that disclose a history of trial-and-error tinkering: a retina installed backward, a .

News & Articles

---

• Medication or Talk Therapy? PET Scans May Personalize Depression Treatment
  Through the use of high-tech brain imaging, scientists can now tell if a person with depression would be better helped by talk therapy or medication. Researchers have identified a region of the brain that “lights up” in response to either counseling or medication. Currently, most doctors treat patients on a trial-and-error basis, and unfortunately, the [...]
  July 5, 2013 - Psych Central