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Figure 5. Multi-dimensional model of the defending phases and the defending objects of a SDSS.
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The multi-dimensional model (Fig. 5), in which three factors of the defending phases were combined with three factors of the defending objects, indicated a much better fit to the data than the three factor defending skill model (AGFI= 0.980, CFI=1.000, RMSEA=0.000, AIC=79.361) (Tables 5 and 6). Additionally, the chi-square difference for these models was significant (chi-square =17.378, df=8, P<0.05).