The research technique used in this study is an example of

The research technique used in this study is an example of
 
  a. experimental research
  b. post-facto research
  c. longitudinal research
  d. b and c, but not a

Question 2

If we examine an Fobt and fail to reject H0,
 
  a. we must conduct post hoc testing.
  b. we must compare means.
  c. we must not compare means.
  d. we must rerun the study.

Question 3

Whenever the mean of a raw score distribution is less than 50, the z score must be negative.
 
  Indicate whether the statement is true or false

Question 4

The Central Limit theorem states that the sampling distribution of means is normal in shape.
 
  Indicate whether the statement is true or false