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Communalities x1 x2 x3 x4 x5 x6 x7 x8 x9 x10 x11 x12 x13 x14 x15 x16 x17 x18 x19 x20 Initial 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 Extraction .879 .892 .882 .295 .884 .888 .897 .920 .917 .928 .896 .947 .887 .905 .897 .905 .880 .897 .920 .923 Extraction Method: Principal Component Analysis. ±í5

Óиñí¿ÉÒÔ¿´³ö¹«Òò×Ó·½²î±È¶¼ÔÚ80%ÒÔÉÏ£¬Æ½¾ùÌáÈ¡Á©±È½ÏÀíÏë Total Variance Explained Component 1 2 3 4 5 6 Total 5.906 3.762 2.719 2.662 2.389 .780 Initial Eigenvalues % of Variance 29.532 18.811 13.594 13.309 11.946 3.901 Cumulative % 29.532 48.343 61.937 75.246 87.192 91.093 Extraction Sums of Squared Loadings Total 5.906 3.762 2.719 2.662 2.389 % of Variance 29.532 18.811 13.594 13.309 11.946 Cumulative % 29.532 48.343 61.937 75.246 87.192 7 8 9 10 11 12 13 14 15 16 17 18 19 20 .247 .195 .185 .173 .164 .151 .121 .105 .094 .088 .071 .069 .064 .056 1.236 .974 .923 .864 .818 .753 .606 .525 .469 .439 .353 .347 .319 .282 92.329 93.303 94.226 95.089 95.907 96.660 97.266 97.791 98.260 98.699 99.052 99.399 99.718 100.000 Extraction Method: Principal Component Analysis. ±í6

±í6ÊǽâÊͱäÁ¿µÄÖ÷³É·Ö·½²îÀۼƹ±Ï×ÂÊ±í£¬¿ÉÒÔ¿´³öǰ5¸öÒò×ÓµÄÌØÕ÷Öµ´óÓÚ1£¬ÇÒÕâ5¸öÒò×Ó¿ÉÒÔ½âÊʹ󲿷֣¨87.2%£©µÄ·½²î¡£´ÓµÚ6¸öÒò×Ó¿ªÊ¼£¬ÌØÕ÷Öµ´ó´óСÓÚ1.Õâ˵Ã÷£¬Ö»ÐèÒªÌáȡǰé5¸öÒò×Ó¡£ ±í7ÐýתǰµÄÒò×ÓÔØºÉ¾ØÕó Component Matrix a x1 x2 x3 x4 x5 x6 x7 x8 x9 x10 x11 1 .309 .361 .290 .489 .725 .756 .755 .715 .719 .117 .136 2 .326 .253 .193 -.087 .513 .437 .471 .536 .544 .389 .361 Component 3 .234 .294 .233 .048 -.225 -.253 -.232 -.283 -.266 .692 .687 4 -.346 -.284 -.391 -.139 .181 .217 .217 .184 .157 -.305 -.287 5 .709 .728 .744 .162 -.113 -.115 -.060 -.090 -.097 -.438 -.440 x12 x13 x14 x15 x16 x17 x18 x19 x20 .129 .708 .723 .719 .710 .685 .168 .175 .198 .415 -.600 -.585 -.587 -.598 -.589 -.199 -.128 -.165 .661 .027 -.007 .012 .058 .074 .532 .552 .468 -.330 -.151 -.174 -.172 -.154 -.196 .728 .732 .780 -.461 -.050 -.099 -.070 -.128 -.142 .127 .183 .171 Extraction Method: Principal Component Analysis. a. 5 components extracted.

±í8ÐýתºóµÄÒò×ÓÔØºÉ¾ØÕó Rotated Component Matrix a x1 x2 x3 x4 x5 x6 x7 x8 x9 x10 x11 x12 x13 x14 x15 x16 x17 x18 x19 1 -.007 .064 .077 .407 .103 .166 .137 .074 .080 -.024 .003 -.027 .933 .943 .939 .945 .934 .084 .034 2 .132 .118 .025 .205 .928 .925 .929 .952 .948 .048 .052 .079 .087 .118 .104 .088 .062 -.010 .023 Component 3 .067 .060 .015 .013 .080 .025 .025 .033 .061 .960 .944 .968 -.051 -.036 -.039 .012 .046 .025 .035 4 -.029 .075 -.041 .021 .019 .047 .063 -.011 -.024 .013 .031 -.030 .065 .019 .036 .065 .034 .943 .957 5 .925 .930 .934 .294 .075 .042 .101 .081 .092 .054 .042 .044 .050 .016 .043 -.004 .000 -.025 .043