[ RadSafe ] No healthy worker effect in NSWS

[howard long]

  (from Matanoski's 464 page NSWS) Howard Long
   
  Internal Comparison
  There are a number of obvious deficiencies in the external comparison
  approach, the most prominent of which is the so called "healthy worker
  effect. " The avai 1 abi 1 i ty of a reasonably 1 arge population of non-nucl ear
  workers from the same shipyard affords a means for selecting an internal group
  to control for many of the potentially important biases inherent in using a
  standard population comparison.