Whenever a given raw score coincides exactly with the mean, the ...

[mia]

Whenever a given raw score coincides exactly with the mean, the resulting z
  score, regardless of the size of the standard deviation, must be
 
  a. equal to 0
  b. positive
  c. equal to 50
  d. none of these, since in this case, the z score cannot be found

Question 2

With the matched-subjects design, the subjects are equated on some variable
  which is assumed to have a possible influence on the
 
  a. independent variable
  b. dependent variable
  c. both of these
  d. neither of these

[miss.ashley]

Answer to Question 1

a

Answer to Question 2

b