If the reason for the difference between the true and observed ...

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If the reason for the difference between the true and observed score is a characteristic of the
   person taking the test, the resulting decrease in reliability will be attributed to ____________.
 
  a) method error
  b) trait error
  c) random error
  d) nonsystematic error

Question 2

Factorial designs present many problems. Which of the following is NOT among them?
 
  a. they often require a large number of participants
  b. if the design incorporates more than two factors, the higher-order interactions may be difficult to interpret
  c. simultaneous manipulation of all the factors can be difficult
   d. they can be used with one or more factors or independent variables

[SAUXC]

Answer to Question 1

b

Answer to Question 2

D