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lesley lesley
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6 years ago
Surveys are used to gather data that is difficult to observe directly. A problem with surveys is that
 
  a. the results will be difficult to measure.
  b. the results cannot be applied across large groups.
  c. the results cannot determine cause and effect.
  d. All of these apply.
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tmarietmarie
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6 years ago
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lesley Author
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6 years ago
This helped my grade so much Perfect
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Yesterday
Brilliant
ky
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2 hours ago
Good timing, thanks!
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