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paw2323 paw2323
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6 years ago
If the surviving participants in the last wave of testing in a longitudinal study on health and aging are those who initially had the lowest blood pressures, then we have a case of
 
  a. negative selective survival.
  b. positive selective survival.
  c. elective selective survival.
  d. equally selective survival.
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hollyhateschoolhollyhateschool
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6 years ago
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paw2323 Author
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6 years ago
Thanks
mmmm_dat_userna
wrote...

Yesterday
Good timing, thanks!
brina10
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2 hours ago
Thanks for your help!!
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