posted by math .
A research article included the following table:
Mean Score on Four Questionnarie Scales Before and After the Experimental Manipulation.
Questionnaire Before After Change
Dominance 18.42 16.31 -2.11
Independence 17.25 21.38 4.13**
Conformity 18.97 17.20 -1.77*
Nurturance 16.11 13.89 -2.22*
* p<.05 **p<.01
Which of the following is most likely to be true given the information on this table?
The hypothesis testing probably used a t test for dependent means