A researcher developing a questionnaire becomes aware of an ...

[Yi-Chen]

A researcher developing a questionnaire becomes aware of an interesting additional relationship that could be
  investigated at very little cost and effort by adding an additional item to the questionnaire. He knows that this is not
  vital to his present research purpose. He should
 a. investigate it to a limited extent.
  b. forget it.
  c. evaluate the cost.
  d. investigate it carefully.
  e. investigate it, as this is likely to reduce sampling error.

Question 2

News suddenly appeared in the Associated Press that a brand of soft drink has been tested and found to prolong your life. This information is likely to be seen as more ____ than if similar information appeared from a marketer-dominated source.
 a. credible
  b. visual
  c. formal
  d. well organized
  e. manipulative

[matt]

Answer to Question 1

b

Answer to Question 2

A