C)

Repeated Measures ANOVA Within Subjects Effects Sphericity Correction Sum of Squares df Mean Square F p RM Factor 1 None 483 3 161.0 4.43 0.007 Huynh-Feldt 483 2.98 162.2 4.43 0.007 Residual None 2398 66 36.3 Huynh-Feldt 2398 65.51 36.6 Note. Type 3 Sums of Squares [4] Between Subjects Effects Sum of Squares df Mean Square F P Residual 8045 22 366 Note. Type 3 Sums of Squares Assumptions Tests of Sphericity Mauchly's W p Greenhouse-Geisser & Huynh-Feldt e RM Factor 1 0.810 0.497 0.866 0.993\f