This type of validity is easiest to achieve and the most basic kind of validity. It is a judgment by ...

This type of validity is easiest to achieve and the most basic kind of validity. It is a judgment by knowledgeable people that the indicator really measures the concept it purports to measure. It is known as
 
  A) face validity. B) content validity.
  C) criterion validity. D) standard deviation.

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Natural experiments are field experiments
 
  A) are always valid. B) gather data after the fact.
  C) involving placebos. D) without merit.

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An IQ score is an example of what type of measurement?
 
  A) interval B) equivalence C) ratio D) nominal

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Mr. Marsh changed some of the data in a study because he thought that it didn't fit with the rest of the data. He didn't mean any harm, but there is a problem. If he doesn't disclose the fact that he changed the data he could be guilty of
 
  A) violation of the Nuremberg Code. B) plagiarism.
  C) scientific misconduct. D) skipping research steps.

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Hawthorne Effect is
 
  A) common in field experiments. B) irrelevant.
  C) awareness of being in a study. D) None of the above