A psychologist thinks that he has come up with a new and improved intelligence test. He gives the ...

A psychologist thinks that he has come up with a new and improved intelligence test. He gives the test to some subjects several times and finds that there is a lot of fluctuation in how well a person scores. The fluctuation seems indicate that the new test lacks:
 
  a. measurement.
  b. validity.
  c. integrity.
  d. precision.

Question 2

If a measure is reliable, it:
 
  a. accurately measures what it is supposed to measure.
  b. is consistent.
  c. is valid.
  d. is both consistent and valid.

Question 3

The research approach that tests two competing theories in order to falsify one of them is referred to as:
 
  a. induction.
  b. illumination.
  c. strong inference.
  d. verification.