Tim Harford: Trial, error and the God complex

Tim Harford: Trial, error and the God complex

Archie Cochrane: A Story of Resourcefulness and the God Complex

The Context of War and Medical Challenges

  • The narrative begins in a German prison camp during World War II, where Archie Cochrane, a prisoner and doctor, faces a medical mystery involving debilitating swelling among prisoners.
  • The guards exhibit cruel behavior, including randomly firing into the camp for amusement, highlighting the dire conditions under which Cochrane operates.

Resourcefulness Amidst Despair

  • Despite suffering from the same illness as his patients, Cochrane demonstrates resourcefulness by smuggling vitamin C and marmite (a rich source of vitamin B12) into the camp.
  • He conducts an informal trial by dividing patients into two groups to test the effects of vitamin C versus vitamin B12, meticulously recording results that reveal marmite as a cure.

Advocacy for Change

  • In a passionate outburst to German officials, Cochrane argues against their barbarism while referencing German cultural contributions; this moment underscores his desperation and emotional turmoil.
  • A young German doctor recognizes the significance of Cochrane's findings and advocates for supplying vitamins to prisoners, leading to improved health outcomes.

Understanding the God Complex

  • The story serves as an illustration of what Archie calls "the God complex," characterized by an infallible belief in one's solutions despite complex problems.
  • This affliction is prevalent not only among doctors but also economists and leaders who often oversimplify intricate global issues.

Complexity in Economic Understanding

  • Using Hans Rosling's statistical presentations as an example, it is noted that simplistic data representations can obscure deeper complexities within economies.

Understanding Complexity and the God Complex in Problem Solving

The Challenge of Complexity

  • The speaker emphasizes the overwhelming complexity of modern problems, contrasting it with simpler societies where only a few products and services existed.
  • Acknowledges that while we often believe we understand complex systems through graphs and models, true comprehension eludes us; humility is essential in problem-solving.

Trial and Error as a Solution

  • Introduces evolution as a prime example of trial and error, highlighting how human bodies evolved over millions of years through this process.
  • Discusses an industrial example involving Unilever's detergent production, illustrating the importance of nozzle design in creating effective products.

The Flaws of Overconfidence

  • Critiques the "God complex," where experts attempt to solve problems through theoretical calculations rather than practical experimentation.
  • Describes how Unilever ultimately succeeded by generating multiple variations of a nozzle, testing them systematically until they found an optimal design.

Insights on Economic Evolution

  • Points out that American businesses have a high failure rate (10% annually), suggesting that rapid failure leads to faster evolution and improvement within the economy.
  • Argues that this evolutionary process does not stem from placing smart individuals in charge but rather from continuous trial and error.

Education and Political Implications

  • Calls for educational reform to teach children about problems without definitive answers, promoting critical thinking over rote learning.

Recovery After Heart Attacks: Hospital vs. Home?

The Ethical Dilemma in Cardiac Recovery

  • A debate arises on whether patients should recover from heart attacks in specialized cardiac units or at home, highlighting the strong opinions of cardiac doctors who believe hospitals are the safest option.
  • Despite opposition, Archie secures permission to conduct a trial comparing recovery settings and presents preliminary results that initially support the doctors' stance.
  • The doctors react strongly against Archie's findings, accusing him of unethical practices and demanding an immediate halt to his clinical trials.

Challenging Assumptions

  • In a surprising twist, Archie reveals he had swapped the results, indicating that hospitals may actually be more dangerous for recovery than home care, prompting silence among the doctors.
  • This moment illustrates Cochrane's understanding of human nature; many prefer to maintain their authority rather than confront uncomfortable truths about their practices.

The Pain of Uncertainty

  • Cochrane acknowledges that facing uncertainty and being challenged is difficult but necessary for growth and improvement in medical practices.
Channel: TED
Video description

http://www.ted.com Economics writer Tim Harford studies complex systems -- and finds a surprising link among the successful ones: they were built through trial and error. In this sparkling talk from TEDGlobal 2011, he asks us to embrace our randomness and start making better mistakes. TEDTalks is a daily video podcast of the best talks and performances from the TED Conference, where the world's leading thinkers and doers give the talk of their lives in 18 minutes. Featured speakers have included Al Gore on climate change, Philippe Starck on design, Jill Bolte Taylor on observing her own stroke, Nicholas Negroponte on One Laptop per Child, Jane Goodall on chimpanzees, Bill Gates on malaria and mosquitoes, Pattie Maes on the "Sixth Sense" wearable tech, and "Lost" producer JJ Abrams on the allure of mystery. TED stands for Technology, Entertainment, Design, and TEDTalks cover these topics as well as science, business, development and the arts. Closed captions and translated subtitles in a variety of languages are now available on TED.com, at http://www.ted.com/translate.