Lecture 18

T – time  for two groups:

I)                      Correlated Samples Design

  a)  Natural Pairs- paired before investigation

  b)  Matched Pairs-individuals are paired before the experiment

  c) Repeated Measures-an experiment design in which more than
      one dependent variable is measured on the same individual

II)                     Independent Samples Design- the subjects serve in only one of two groups and there is no
   reason to suggest that there is any correlation between the score of the two groups.