A new ethical risk posed by Internet research is ________.

A new ethical risk posed by Internet research is ________.
 
  A) great geographical reach
  B) 24-hour data collection
  C) anonymity of subjects
  D) difficulty in screening age of participants

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Which neighborhood(s) has the smallest differences among the incomes of families?
 
  A) Glenbrook
  B) Meadowbrook
  C) Elmbrook
  D) A and C
  E) B and C

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Galton's problem is
 
  A) a school of historiography.
  B) mixing up the dates of events.
  C) not being able to translate between two different languages.
  D) when people try to make things appear better than they really are and give a false impression of events.
  E) a problem with units of analysis that may appear to be separate and distinct, but which are actually closely related or the same.