Posted by **stat** on Monday, October 5, 2009 at 3:08pm.

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 one-tailed test.

-The various scales all probably had just about the same population variances

-The t scores are all larger than the raw change scores.

-The hypothesis testing probably used a t test for dependent means.

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