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. 2014 Spring;7(2):118–124.

Table 2.

Results of one-way covariance analysis for effectiveness of two methods of therapy in follow-up dependent variable total IBS follow-up

Source Type III Sum of Squares Df Mean Square F Sig Partial Eta Squared Noncent Parameter Observed Power
Total IBS Pretest Hypothesis 371.447 1 371.447 25.176 - 0.44 25.176 0.998
Group Error 472.136 32 14.754
Hypothesis 323.417 2 161.708 10.96 - 0407 21.92 0985
Error 472.136 32 14.754

a. Computed using alpha = 0.05

b. 0.47 MS (group) + MS (Error)

MS (Error)