Using quasi-experiments to draw causal inferences in field ...

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Using quasi-experiments to draw causal inferences in field experiments
 
  A) may give us less than high confidence but will still give us more information than not experimenting at all.
  B) is more costly and more time consuming than answering the same question in the laboratory.
  C) is based on new statistical procedures.
  D) All of the above

Question 2

How are quasi-experimental designs different from low-constraint methods?
 
  A) Quasi-experiments have only one level of the independent variable.
  B) Low-constraint methods do not attempt to answer questions of causality.
  C) Low-constraint methods try to control confounding variables.
  D) Quasi-experiments take place in a laboratory.

[bigcheese9]

Answer to Question 1

Answer: A

Answer to Question 2

Answer: B

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Excellent

[Animal_Goddess]

Gracias!