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TAS English QUESTION #5440
Question 1
Research on whether elected office changes behavior needs a control group similar to office-holders but not holding office. Since researchers can't control election outcomes, they ____
  • struggle to find valid data about non-office-holding politicians.
  • can only study past office-holders, not present ones.
  • should select a control group different in several significant ways.
  • will find it difficult to identify an appropriate control group.✔️
Correct Answer Explanation
The inability to assign office randomly makes finding a comparable control group hard.