Randomized Trials.pdf

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Preview of Randomized Trials
🔗 Source: nber.org
📊 Size: 264 KB
👤 Author: Angus Deaton
⬇️ Downloads: 399

Summary

Randomized controlled trials (RCTs) are perceived to yield causal inferences and estimates of average treatment effects (ATEs) that are more reliable and credible than those from other empirical methods, but this "gold standard" claim is unwarranted. RCTs have limitations, such as not equalizing everything but the treatment across treatments and controls, not automatically delivering a precise estimate of ATE, and not relieving the need to think about confounders. Estimates from RCTs apply only to the trial sample and may not be generalizable to other groups. RCTs require minimal assumptions and can operate with little prior knowledge, which is an advantage for persuading distrustful audiences but a disadvantage for cumulative scientific progress. RCTs can play a role in building scientific knowledge, but they should be part of a cumulative program combining with other methods to discover why things work, not just what works.

Description

Randomized controlled trials (RCTs) are perceived to yield causal inferences and estimates of average treatment effects (ATEs) that are more reliable and...

Technical Information

  • File Format: PDF
  • File Size: 264 KB
  • Pages: 71
  • Language: EN
  • Author: Angus Deaton
  • Total Downloads: 399
  • Last Updated: 1 week ago

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