{"id":574,"date":"2025-12-29T12:51:12","date_gmt":"2025-12-29T03:51:12","guid":{"rendered":"http:\/\/waurimal.kr\/?p=574"},"modified":"2025-12-29T13:40:19","modified_gmt":"2025-12-29T04:40:19","slug":"chap-11-%eb%aa%a8%eb%8d%b8-%ec%84%a0%ed%83%9d","status":"publish","type":"post","link":"http:\/\/waurimal.kr\/?p=574","title":{"rendered":"Chap 11. \uad6c\uc870\ubc29\uc815\uc2dd \ubaa8\ub378 \uc120\ud0dd"},"content":{"rendered":"\n<p>\uc548\ub155\ud558\uc138\uc694? \uc5ec\ub7ec\ubd84. <br>\uc624\ub298 \uc6b0\ub9ac\ub294 \uad6c\uc870\ubc29\uc815\uc2dd \ubaa8\ub378\ub9c1(SEM)\uc5d0\uc11c \uac00\uc7a5 \uc911\uc694\ud558\uba74\uc11c\ub3c4 \ub9ce\uc740 \uc5f0\uad6c\uc790\uac00 \uac04\uacfc\ud558\uae30 \uc26c\uc6b4 \uc8fc\uc81c\uc778 &#8216;<strong>\ubaa8\ub378 \uc120\ud0dd(Model Selection)<\/strong>&#8216;\uc5d0 \ub300\ud574 \uae4a\uc774 \uc788\uac8c \ub2e4\ub8e8\uc5b4 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uc6b0\ub9ac\ub294 \ubcf4\ud1b5 \ud558\ub098\uc758 \ubaa8\ub378\uc744 \uc138\uc6b0\uace0 \uadf8 \ubaa8\ub378\uc758 \uc801\ud569\ub3c4 \uc9c0\uc218(CFI, TLI, RMSEA \ub4f1)\uac00 \uae30\uc900\uce58\ub97c \ub118\uc73c\uba74 &#8220;\ub0b4 \ubaa8\ub378\uc774 \uc633\ub2e4&#8221;\ub77c\uace0 \uacb0\ub860\uc9d3\uace4 \ud569\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \uadf8\uac83\uc740 \uc704\ud5d8\ud55c \uc0dd\uac01\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc624\ub298\uc740 \uc65c \ub2e8\uc77c \ubaa8\ub378\uc758 \uc801\ud569\ub3c4\ub9cc \ubd10\uc11c\ub294 \uc548 \ub418\ub294\uc9c0, \uadf8\ub9ac\uace0 \uc5ec\ub7ec \uacbd\uc7c1 \ubaa8\ub378 \uc911 \uc5b4\ub5a4 \uac83\uc774 \uac00\uc7a5 &#8216;\uc88b\uc740&#8217; \ubaa8\ub378\uc778\uc9c0 \uc5b4\ub5bb\uac8c \uacb0\uc815\ud558\ub294\uc9c0\ub97c \uad50\uc721\ud559\uc801 \uc0ac\ub840\uc640 \ud568\uaed8 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">1. \ub2e8\uc77c \ubaa8\ub378 \uc801\ud569\ub3c4\uc758 \ud55c\uacc4: \uc65c \ubaa8\ub378 \uc120\ud0dd\uc778\uac00?<\/h2>\n\n\n\n<p>\uc6b0\ub9ac\uac00 \uc5f0\uad6c\uc5d0\uc11c \uc138\uc6b0\ub294 \ubaa8\ub378\uc740 \uc2e4\uc81c \ud604\uc2e4\uc744 \uc644\ubcbd\ud558\uac8c \ubc18\uc601\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. \ubaa8\ub378\uc740 \ub2e8\uc9c0 &#8216;\ud604\uc2e4\uc5d0 \ub300\ud55c \uadfc\uc0ac\uce58&#8217;\uc77c \ubfd0\uc785\ub2c8\ub2e4. \ub530\ub77c\uc11c \ud2b9\uc815 \ubaa8\ub378\uc758 \uc801\ud569\ub3c4\uac00 \uc88b\uac8c \ub098\uc654\ub2e4\uace0 \ud574\uc11c \uadf8\uac83\uc774 \ubc18\ub4dc\uc2dc \uac1d\uad00\uc801 \uc9c4\ub9ac\uc778 \uac83\uc740 \uc544\ub2d9\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ubaa8\ub378 \uc801\ud569\ub3c4\uc758 \ud568\uc815<\/h3>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\ud3ec\ud654 \ubaa8\ub378(Saturated Model)\uc758 \ubb38\uc81c:<\/strong> \ubaa8\ub378\uc774 \ubcf5\uc7a1\ud574\uc838\uc11c \uc790\uc720\ub3c4(<math data-latex=\"df\"><semantics><mrow><mi>d<\/mi><mi>f<\/mi><\/mrow><annotation encoding=\"application\/x-tex\">df<\/annotation><\/semantics><\/math>)\uac00 0\uc774 \ub418\uba74, \uc774\ub860\uc801 \ud0c0\ub2f9\uc131\uacfc \uc0c1\uad00\uc5c6\uc774 \uc801\ud569\ub3c4\ub294 \ud56d\uc0c1 \uc644\ubcbd\ud558\uac8c \ub098\uc635\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uc678\uc0dd\uc801 \uc694\uc778\uc758 \uc601\ud5a5:<\/strong> \ud45c\ubcf8 \ud06c\uae30(<math data-latex=\"N\"><semantics><mi>N<\/mi><annotation encoding=\"application\/x-tex\">N<\/annotation><\/semantics><\/math>), \ub370\uc774\ud130\uc758 \ube44\uc815\uaddc\uc131, \uce21\uc815 \uc624\ucc28 \ub4f1 \ubaa8\ub378\uc758 \uc9c4\uc2e4\uc131\uacfc \uc0c1\uad00\uc5c6\ub294 \uc694\uc778\ub4e4\uc774 \uc801\ud569\ub3c4 \uc9c0\uc218\ub97c \uc65c\uace1\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uc5f0\uad6c\uc790\uc758 \uc790\uc720\ub3c4(Researcher Degrees of Freedom):<\/strong> \ub204\ub77d\ub41c \ub370\uc774\ud130 \ucc98\ub9ac \ubc29\uc2dd\uc774\ub098 \ubaa8\ub378 \uc218\uc815 \uacfc\uc815\uc5d0\uc11c \uc5f0\uad6c\uc790\uc758 \uc8fc\uad00\uc801 \uacb0\uc815\uc774 \uac1c\uc785\ub418\uc5b4 \uc801\ud569\ub3c4\uac00 &#8216;\uc870\uc791&#8217;\ub420 \uc704\ud5d8\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ol>\n\n\n\n<p>\uc774\ub7ec\ud55c \ud55c\uacc4\ub97c \uadf9\ubcf5\ud558\uae30 \uc704\ud574 \uc81c\uc548\ub41c \uac83\uc774 <strong>\ubaa8\ub378 \uc120\ud0dd(Model Selection)<\/strong>\uc785\ub2c8\ub2e4. \uc774\ub294 \uc0ac\uc804\uc5d0 \uc774\ub860\uc801\uc73c\ub85c \ud0c0\ub2f9\ud55c \uc5ec\ub7ec \uacbd\uc7c1 \ubaa8\ub378\ub4e4\uc744 \uc124\uc815\ud558\uace0, \uc774 \ubaa8\ub378\ub4e4\uc744 \ub3d9\uc77c\ud55c \ub370\uc774\ud130\uc5d0 \uc801\uc6a9\ud558\uc5ec \uc5b4\ub5a4 \ubaa8\ub378\uc774 \uac00\uc7a5 \uc6b0\uc218\ud55c\uc9c0 \uc21c\uc704\ub97c \ub9e4\uae30\ub294 \uacfc\uc815\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2. \uc774\ub860\uc801 \ubc30\uacbd: \uc624\ucc28\uc758 \ud504\ub808\uc784\uc6cc\ud06c (Cudeck &amp; Henly)<\/h2>\n\n\n\n<p>\ubaa8\ub378\uc744 \uc120\ud0dd\ud560 \ub54c \uc6b0\ub9ac\uac00 \uace0\ub824\ud574\uc57c \ud560 \uc624\ucc28\ub294 \uc5ec\ub7ec \uc885\ub958\uac00 \uc788\uc2b5\ub2c8\ub2e4. Cudeck\uacfc Henly(1991)\ub294 \uc774\ub97c \uc774\ud574\ud558\uae30 \uc26c\uc6b4 \ud504\ub808\uc784\uc6cc\ud06c\ub85c \uc81c\uc2dc\ud588\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uadfc\uc0ac \uc624\ucc28(Approximation Discrepancy):<\/strong> \ubaa8\uc9d1\ub2e8\uc5d0\uc11c \ubaa8\ub378\uacfc \uc2e4\uc81c \ub370\uc774\ud130 \uad6c\uc870 \uc0ac\uc774\uc758 \ucc28\uc774\ub85c, \ubaa8\ub378\uc758 &#8216;\uc9c4\uc2e4\uc131(Verisimilitude)&#8217;\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ucd94\uc815 \uc624\ucc28(Estimation Discrepancy):<\/strong> \ud45c\ubcf8 \ud06c\uae30\uc5d0 \ub530\ub978 \uc0d8\ud50c\ub9c1 \ubcc0\ub3d9\uc131 \ub54c\ubb38\uc5d0 \ubc1c\uc0dd\ud558\ub294 \uc624\ucc28\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uc804\uccb4 \uc624\ucc28(Overall Discrepancy):<\/strong> \uadfc\uc0ac \uc624\ucc28\uc640 \ucd94\uc815 \uc624\ucc28\ub97c \ud569\uce5c \uac1c\ub150\uc73c\ub85c, \ubaa8\ub378\uc774 \uc0c8\ub85c\uc6b4 \ub370\uc774\ud130\uc5d0 \uc5bc\ub9c8\ub098 \uc798 \uc801\uc6a9\ub420\uc9c0\ub97c \ub098\ud0c0\ub0b4\ub294 <strong>\uc77c\ubc18\ud654 \uac00\ub2a5\uc131(Generalizability)<\/strong>\uacfc \uc9c1\uacb0\ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p>\uc6b0\ub9ac\ub294 \ub2e8\uc21c\ud788 \ud604\uc7ac \ub370\uc774\ud130\uc5d0\ub9cc \uc798 \ub9de\ub294 \ubaa8\ub378\uc774 \uc544\ub2c8\ub77c, <strong>\uc0c8\ub85c\uc6b4 \ub370\uc774\ud130\uc5d0\ub3c4 \uc798 \ub9de\uc744 \ubaa8\ub378(\uc77c\ubc18\ud654 \uac00\ub2a5\uc131\uc774 \ub192\uc740 \ubaa8\ub378)<\/strong>\uc744 \uc120\ud0dd\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3. \ubaa8\ub378 \uc120\ud0dd\uc758 \ud575\uc2ec \uae30\uc900<\/h2>\n\n\n\n<p>\ubaa8\ub378\uc744 \uc120\ud0dd\ud560 \ub54c \uac00\uc7a5 \uc911\uc694\ud55c \uc6d0\uce59\uc740 <strong>\uc801\ud569\ub3c4\uc640 \ubcf5\uc7a1\uc131 \uc0ac\uc774\uc758 \uade0\ud615(Bias-Variance Trade-off)<\/strong>\uc785\ub2c8\ub2e4. \ub108\ubb34 \ubcf5\uc7a1\ud55c \ubaa8\ub378\uc740 \ud604\uc7ac \ub370\uc774\ud130\uc5d0\ub294 \uc644\ubcbd\ud574 \ubcf4\uc77c\uc9c0 \ubab0\ub77c\ub3c4(\uacfc\uc801\ud569, Overfitting), \uc0c8\ub85c\uc6b4 \ub370\uc774\ud130\uc5d0\uc11c\ub294 \uc131\ub2a5\uc774 \ub69d \ub5a8\uc5b4\uc9d1\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uc8fc\uc694 \uc815\ubcf4 \uc9c0\uc218 (Information Criteria)<\/h3>\n\n\n\n<p>\ub300\ubd80\ubd84\uc758 \ubaa8\ub378 \uc120\ud0dd \uae30\uc900\uc740 \ub2e4\uc74c\uacfc \uac19\uc740 \uc77c\ubc18\uc801\uc778 \ud615\ud0dc\ub97c \ub771\ub2c8\ub2e4.<\/p>\n\n\n\n<p><math data-latex=\"D + f(q, N)\"><semantics><mrow><mi>D<\/mi><mo>+<\/mo><mi>f<\/mi><mo form=\"prefix\" stretchy=\"false\">(<\/mo><mi>q<\/mi><mo separator=\"true\">,<\/mo><mi>N<\/mi><mo form=\"postfix\" stretchy=\"false\">)<\/mo><\/mrow><annotation encoding=\"application\/x-tex\">D + f(q, N)<\/annotation><\/semantics><\/math><\/p>\n\n\n\n<p>\uc5ec\uae30\uc11c <math data-latex=\"D\"><semantics><mi>D<\/mi><annotation encoding=\"application\/x-tex\">D<\/annotation><\/semantics><\/math>\ub294 \ubd80\uc801\ud569\ub3c4(\ub85c\uadf8 \uac00\ub2a5\ub3c4 \uae30\ubc18), <math data-latex=\"f\"><semantics><mi>f<\/mi><annotation encoding=\"application\/x-tex\">f<\/annotation><\/semantics><\/math>\ub294 \ubcf5\uc7a1\uc131(<math data-latex=\"q\"><semantics><mi>q<\/mi><annotation encoding=\"application\/x-tex\">q<\/annotation><\/semantics><\/math>\ub294 \uc790\uc720 \ud30c\ub77c\ubbf8\ud130 \uc218)\uacfc \ud45c\ubcf8 \ud06c\uae30(<math data-latex=\"N\"><semantics><mi>N<\/mi><annotation encoding=\"application\/x-tex\">N<\/annotation><\/semantics><\/math>)\uc5d0 \ub530\ub978 \ubc8c\uce59(Penalty) \ud56d\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>\uc9c0\ud45c<\/strong><\/td><td><strong>\ud2b9\uc9d5<\/strong><\/td><td><strong>\uac15\uc870\uc810<\/strong><\/td><\/tr><\/thead><tbody><tr><td><strong>AIC<\/strong> (Akaike Information Criterion)<\/td><td><math data-latex=\"AIC = -2 \\ln L + 2q\"><semantics><mrow><mi>A<\/mi><mi>I<\/mi><mi>C<\/mi><mo>=<\/mo><mo form=\"prefix\" stretchy=\"false\">\u2212<\/mo><mn>2<\/mn><mrow><mspace width=\"0.1667em\"><\/mspace><mi>ln<\/mi><mo>\u2061<\/mo><mspace width=\"0.1667em\"><\/mspace><\/mrow><mi>L<\/mi><mo>+<\/mo><mn>2<\/mn><mi>q<\/mi><\/mrow><annotation encoding=\"application\/x-tex\">AIC = -2 \\ln L + 2q<\/annotation><\/semantics><\/math><\/td><td><strong>\uc608\uce21 \ud6a8\uc728\uc131:<\/strong> \uc5b4\ub5a4 \ubaa8\ub378\uc774 \ubbf8\ub798\uc758 \ub370\uc774\ud130\ub97c \uac00\uc7a5 \uc798 \uc608\uce21(\uad50\ucc28 \ud0c0\ub2f9\ud654)\ud560 \uac83\uc778\uac00? <\/td><\/tr><tr><td><strong>BIC<\/strong> (Bayesian Information Criterion)<\/td><td><math data-latex=\"BIC = -2 \\ln L + q \\ln N\"><semantics><mrow><mi>B<\/mi><mi>I<\/mi><mi>C<\/mi><mo>=<\/mo><mo form=\"prefix\" stretchy=\"false\">\u2212<\/mo><mn>2<\/mn><mrow><mspace width=\"0.1667em\"><\/mspace><mi>ln<\/mi><mo>\u2061<\/mo><mspace width=\"0.1667em\"><\/mspace><\/mrow><mi>L<\/mi><mo>+<\/mo><mi>q<\/mi><mrow><mspace width=\"0.1667em\"><\/mspace><mi>ln<\/mi><mo>\u2061<\/mo><mspace width=\"0.1667em\"><\/mspace><\/mrow><mi>N<\/mi><\/mrow><annotation encoding=\"application\/x-tex\">BIC = -2 \\ln L + q \\ln N<\/annotation><\/semantics><\/math><\/td><td><strong>\uc77c\uad00\uc131:<\/strong> \ud45c\ubcf8\uc774 \ucee4\uc9c8 \ub54c \uc9c4\uc9dc \ubaa8\ub378(True DGP)\uc744 \ucc3e\uc544\ub0bc \ud655\ub960\uc774 \ub192\uc740\uac00? <\/td><\/tr><tr><td><strong>MDL<\/strong> (Minimum Description Length)<\/td><td>\ubcf5\uc7a1\uc131\uc744 \ud30c\ub77c\ubbf8\ud130 \uc218\ubfd0\ub9cc \uc544\ub2c8\ub77c \ubaa8\ub378\uc758 \uad6c\uc870\uc801 \ud615\ud0dc\uae4c\uc9c0 \uace0\ub824\ud568<\/td><td><strong>\uc555\ucd95 \ud6a8\uc728\uc131:<\/strong> \ub370\uc774\ud130\ub97c \uac00\uc7a5 \uacbd\uc81c\uc801\uc73c\ub85c \uc124\uba85\ud558\ub294 \ubaa8\ub378\uc740 \ubb34\uc5c7\uc778\uac00?<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">4. \uad50\uc721 \ud604\uc7a5 \uc0ac\ub840\ub97c \ud1b5\ud55c \uc2e4\uc804 \ubd84\uc11d<\/h2>\n\n\n\n<p>\uc774\uc81c \uc2e4\uc81c \uad50\uc721\ud559 \uc5f0\uad6c \uc0c1\ud669\uc744 \uac00\uc815\ud558\uc5ec \ubaa8\ub378 \uc120\ud0dd\uc744 \uc9c4\ud589\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\uc5f0\uad6c \uc2dc\ub098\ub9ac\uc624: \uace0\ub4f1\ud559\uc0dd\uc758 \ud559\uc5c5 \ud68c\ubcf5\ud0c4\ub825\uc131 \uad6c\uc870 \ubd84\uc11d<\/p>\n\n\n\n<p>\uae40 \uad50\uc218\ub294 \uace0\ub4f1\ud559\uc0dd 500\uba85\uc744 \ub300\uc0c1\uc73c\ub85c &#8216;\uc790\uae30\ud6a8\ub2a5\uac10&#8217;\uacfc &#8216;\uad50\uc0ac \uc9c0\uc9c0&#8217;\uac00 &#8216;\ud559\uc5c5 \ud68c\ubcf5\ud0c4\ub825\uc131&#8217;\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5\uc744 \uc5f0\uad6c\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub294 \uc138 \uac00\uc9c0 \uacbd\uc7c1 \ubaa8\ub378\uc744 \uc138\uc6e0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\ubaa8\ub378 1 (\ub2e8\uc21c \ubaa8\ub378):<\/strong> \uc790\uae30\ud6a8\ub2a5\uac10 -> \ud559\uc5c5 \ud68c\ubcf5\ud0c4\ub825\uc131<\/li>\n\n\n\n<li><strong>\ubaa8\ub378 2 (\ub9e4\uac1c \ubaa8\ub378):<\/strong> \uc790\uae30\ud6a8\ub2a5\uac10 -> \uad50\uc0ac \uc9c0\uc9c0 -> \ud559\uc5c5 \ud68c\ubcf5\ud0c4\ub825\uc131<\/li>\n\n\n\n<li><strong>\ubaa8\ub378 3 (\ubcf5\ud569 \ubaa8\ub378):<\/strong> \ubaa8\ub378 2\uc5d0 &#8216;\ubd80\ubaa8 \uc9c0\uc9c0&#8217;\uc640 &#8216;\ub610\ub798 \uc9c0\uc9c0&#8217; \uacbd\ub85c\ub97c \ubaa8\ub450 \ucd94\uac00\ud55c \ubcf5\uc7a1\ud55c \ubaa8\ub378<\/li>\n<\/ul>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\">jamovi\ub97c \ud65c\uc6a9\ud55c \ubd84\uc11d \ubc29\ubc95<\/h3>\n\n\n\n<p>jamovi\uc758 <strong>SEMed<\/strong> \ubaa8\ub4c8(\ub610\ub294 jmv)\uc744 \uc0ac\uc6a9\ud558\uba74 \ubd84\uc11d \uacb0\uacfc \ud558\ub2e8\uc5d0\uc11c \uc815\ubcf4 \uc9c0\uc218\ub97c \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\ub370\uc774\ud130 \ubd88\ub7ec\uc624\uae30:<\/strong> <code>Academic_Resilience.csv<\/code><\/li>\n\n\n\n<li><strong>\ubd84\uc11d \uba54\ub274:<\/strong> <code>Factor<\/code> -> <code>Structural Equation Modeling<\/code><\/li>\n\n\n\n<li><strong>\ubaa8\ub378 \uc124\uc815:<\/strong> \uac01 \uacbd\uc7c1 \ubaa8\ub378\uc758 \uacbd\ub85c\ub97c \uc124\uc815\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uc9c0\uc218 \ud655\uc778:<\/strong> \uacb0\uacfc \ucc3d\uc758 <code>Fit Measures<\/code> \ud0ed\uc5d0\uc11c AIC\uc640 BIC \uac12\uc744 \ud655\uc778\ud569\ub2c8\ub2e4. <strong>\uac12\uc774 \uc791\uc744\uc218\ub85d \uc6b0\uc218\ud55c \ubaa8\ub378\uc785\ub2c8\ub2e4.<\/strong> <\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">R \ucf54\ub4dc\ub97c \ud65c\uc6a9\ud55c \uc2ec\ud654 \ubd84\uc11d (SIC \ud3ec\ud568)<\/h3>\n\n\n\n<p>jamovi\uc5d0\uc11c \uae30\ubcf8\uc73c\ub85c \uc81c\uacf5\ud558\uc9c0 \uc54a\ub294 <strong>SIC(Stochastic Information Complexity)<\/strong> \ub4f1\uc740 R\uc758 <code>lavaan<\/code> \ud328\ud0a4\uc9c0\ub97c \uc0ac\uc6a9\ud558\uc5ec \uacc4\uc0b0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>R<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># \ud544\uc694\ud55c \ud328\ud0a4\uc9c0 \ub85c\ub4dc\nlibrary(lavaan)\n\n# 1. \uac00\uc0c1 \ub370\uc774\ud130 \uc0dd\uc131 (N=500)\nset.seed(2025)\nN &lt;- 500\nself_eff &lt;- rnorm(N)\nteacher_sup &lt;- 0.4 * self_eff + rnorm(N, sd = 0.8)\nresilience &lt;- 0.3 * self_eff + 0.5 * teacher_sup + rnorm(N, sd = 0.7)\nedu_data &lt;- data.frame(self_eff, teacher_sup, resilience)\n\n# 2. \uacbd\uc7c1 \ubaa8\ub378 \uc124\uc815\nmodel_1 &lt;- 'resilience ~ self_eff'\nmodel_2 &lt;- 'teacher_sup ~ self_eff; resilience ~ teacher_sup + self_eff'\n\n# 3. \ubaa8\ub378 \uc801\ud569\nfit1 &lt;- sem(model_1, data = edu_data)\nfit2 &lt;- sem(model_2, data = edu_data)\n\n# 4. AIC, BIC \ube44\uad50\ncat(\"Model 1 AIC:\", AIC(fit1), \" BIC:\", BIC(fit1), \"\\n\")\ncat(\"Model 2 AIC:\", AIC(fit2), \" BIC:\", BIC(fit2), \"\\n\")\n\n# 5. SIC \uacc4\uc0b0 (\uad6c\uc870\uc801 \ubcf5\uc7a1\uc131 \ubc18\uc601)\n# SIC = -ln L + 0.5 * ln|I(theta)| &#91;cite: 321]\n# \uc2e4\uc81c \uc5f0\uad6c\uc5d0\uc11c\ub294 semTools \ub4f1\uc744 \ud65c\uc6a9\ud558\uc5ec \ub354 \ud3b8\ub9ac\ud558\uac8c \uacc4\uc0b0 \uac00\ub2a5\ud569\ub2c8\ub2e4. &#91;cite: 455]\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\ubd84\uc11d \uacb0\uacfc \uc608\uc2dc \ud45c<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>\ubaa8\ub378<\/strong><\/td><td><strong>AIC<\/strong><\/td><td><strong>BIC<\/strong><\/td><td><strong>\uc21c\uc704<\/strong><\/td><td><strong>\ud574\uc11d<\/strong><\/td><\/tr><\/thead><tbody><tr><td>\ubaa8\ub378 1<\/td><td>2450.2<\/td><td>2465.5<\/td><td>3<\/td><td>\ub108\ubb34 \ub2e8\uc21c\ud558\uc5ec \ub370\uc774\ud130 \uc124\uba85\ub825 \ubd80\uc871<\/td><\/tr><tr><td><strong>\ubaa8\ub378 2<\/strong><\/td><td><strong>2310.8<\/strong><\/td><td><strong>2332.1<\/strong><\/td><td><strong>1<\/strong><\/td><td><strong>\uc801\uc808\ud55c \ubcf5\uc7a1\uc131\uacfc \ub192\uc740 \uc77c\ubc18\ud654 \uac00\ub2a5\uc131<\/strong> <\/td><\/tr><tr><td>\ubaa8\ub378 3<\/td><td>2315.4<\/td><td>2355.8<\/td><td>2<\/td><td>\uc801\ud569\ub3c4\ub294 \ubaa8\ub378 2\uc640 \ube44\uc2b7\ud558\ub098 \ub108\ubb34 \ubcf5\uc7a1\ud568 (\ubc8c\uce59 \ubd80\uc5ec)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">5. WaurimaL\uc758 \uc2e4\ubb34 \uc81c\uc5b8 (Take-home Points)<\/h2>\n\n\n\n<p>\ubaa8\ub378 \uc120\ud0dd\uc740 \ub2e8\uc21c\ud788 \uc22b\uc790\ub97c \ube44\uad50\ud558\ub294 \uae30\uacc4\uc801\uc778 \uacfc\uc815\uc774 \uc544\ub2d9\ub2c8\ub2e4. \ub2e4\uc74c \uc6d0\uce59\uc744 \ubc18\ub4dc\uc2dc \uae30\uc5b5\ud558\uc138\uc694.<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\uc0ac\uc804 \uc774\ub860\uc758 \uc911\uc694\uc131:<\/strong> \ubaa8\ub378 \uc120\ud0dd \uc9c0\uc218\ub294 \ubcf4\uc870 \ub3c4\uad6c\uc77c \ubfd0, \uac00\uc7a5 \uba3c\uc800 \uace0\ub824\ud574\uc57c \ud560 \uac83\uc740 <strong>\uad50\uc721\ud559\uc801 \uc774\ub860\uacfc \ub17c\ub9ac<\/strong>\uc785\ub2c8\ub2e4. <\/li>\n\n\n\n<li><strong>\uc0bc\uac01\uce21\ub7c9(Triangulation):<\/strong> AIC\uc640 BIC\uac00 \ub2e4\ub978 \ubaa8\ub378\uc744 \uc120\ud0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. AIC\ub294 \uc608\uce21\uc5d0, BIC\ub294 \uc9c4\ub9ac \ud0d0\uc0c9\uc5d0 \uc720\ub9ac\ud558\ubbc0\ub85c \ub450 \uc885\ub958\ub97c \ubaa8\ub450 \ubcf4\uace0 \uc885\ud569\uc801\uc73c\ub85c \ud310\ub2e8\ud558\uc138\uc694.<\/li>\n\n\n\n<li><strong>\ubaa8\ub378 \ud3c9\uade0\ud654(Model Averaging):<\/strong> \ud558\ub098\uc758 \ubaa8\ub378\ub9cc \ub531 \uace0\ub974\uae30 \uc5b4\ub835\ub2e4\uba74, \uc6b0\uc218\ud55c \uc5ec\ub7ec \ubaa8\ub378\uc758 \uacb0\uacfc\ub97c \uac00\uc911 \ud3c9\uade0\ud558\uc5ec \ubcf4\uace0\ud558\ub294 \ubc29\uc2dd\ub3c4 \uace0\ub824\ud574 \ubcf4\uc138\uc694.<\/li>\n\n\n\n<li><strong>\ud45c\ubcf8 \ud06c\uae30\uc758 \uc601\ud5a5:<\/strong> \ud45c\ubcf8\uc774 \uc791\uc744 \ub54c\ub294 \uad6c\uc870\uc801 \ubcf5\uc7a1\uc131\uc744 \uc798 \ubc18\uc601\ud558\ub294 MDL \uacc4\uc5f4 \uc9c0\uc218(SIC \ub4f1)\ub97c \ud65c\uc6a9\ud558\ub294 \uac83\uc774 \ub354 \uc815\ud655\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ol>\n\n\n\n<p>\uad6c\uc870\ubc29\uc815\uc2dd\uc740 \ubaa8\ub378\uc744 &#8216;\ud655\uc815&#8217; \uc9d3\ub294 \ub3c4\uad6c\uac00 \uc544\ub2c8\ub77c, \uc774\ub860\uc744 &#8216;\uac80\uc99d&#8217;\ud558\uace0 &#8216;\ubc1c\uc804&#8217;\uc2dc\ud0a4\ub294 \uacfc\uc815\uc784\uc744 \uc78a\uc9c0 \ub9c8\uc2dc\uae30 \ubc14\ub78d\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ucc38\uace0\ubb38\ud5cc (APA Style)<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Akaike, H. (1973). Information theory and an extension of the maximum likelihood principle. In B. N. Petrov &amp; F. Cs\u00e1ki (Eds.), <em>Second International Symposium on Information Theory<\/em> (pp. 267\u2013281). Akad\u00e9miai Kiad\u00f3.<\/li>\n\n\n\n<li>Burnham, K. P., &amp; Anderson, D. R. (2002). <em>Model selection and multimodel inference: A practical information-theoretic approach<\/em> (2nd ed.). Springer.<\/li>\n\n\n\n<li>Cudeck, R., &amp; Henly, S. J. (1991). Model selection in covariance structures analysis and the &#8220;problem&#8221; of sample size: A clarification. <em>Psychological Bulletin, 109<\/em>(3), 512\u2013519.<\/li>\n\n\n\n<li>Preacher, K. J., &amp; Yaremych, H. E. (2025). Model selection in structural equation modeling. In <em>Handbook of Structural Equation Modeling<\/em>. [Note: Based on the provided chapter content]<\/li>\n\n\n\n<li>Schwarz, G. (1978). Estimating the dimension of a model. <em>Annals of Statistics, 6<\/em>(2), 461\u2013464.<\/li>\n\n\n\n<li>Wasserman, L. (2000). Bayesian model selection and model averaging. <em>Journal of Mathematical Psychology, 44<\/em>(1), 92\u2013107.<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc548\ub155\ud558\uc138\uc694? \uc5ec\ub7ec\ubd84. \uc624\ub298 \uc6b0\ub9ac\ub294 \uad6c\uc870\ubc29\uc815\uc2dd \ubaa8\ub378\ub9c1(SEM)\uc5d0\uc11c \uac00\uc7a5 \uc911\uc694\ud558\uba74\uc11c\ub3c4 \ub9ce\uc740 \uc5f0\uad6c\uc790\uac00 \uac04\uacfc\ud558\uae30 \uc26c\uc6b4 \uc8fc\uc81c\uc778 &#8216;\ubaa8\ub378 \uc120\ud0dd(Model Selection)&#8216;\uc5d0 \ub300\ud574 \uae4a\uc774 \uc788\uac8c \ub2e4\ub8e8\uc5b4 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uc6b0\ub9ac\ub294 \ubcf4\ud1b5 \ud558\ub098\uc758 \ubaa8\ub378\uc744 \uc138\uc6b0\uace0 \uadf8 \ubaa8\ub378\uc758 \uc801\ud569\ub3c4 \uc9c0\uc218(CFI, TLI, RMSEA \ub4f1)\uac00 \uae30\uc900\uce58\ub97c \ub118\uc73c\uba74 &#8220;\ub0b4 \ubaa8\ub378\uc774 \uc633\ub2e4&#8221;\ub77c\uace0 \uacb0\ub860\uc9d3\uace4 \ud569\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \uadf8\uac83\uc740 \uc704\ud5d8\ud55c \uc0dd\uac01\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc624\ub298\uc740 \uc65c \ub2e8\uc77c \ubaa8\ub378\uc758 \uc801\ud569\ub3c4\ub9cc \ubd10\uc11c\ub294 \uc548 \ub418\ub294\uc9c0, \uadf8\ub9ac\uace0 <a class=\"read-more\" href=\"http:\/\/waurimal.kr\/?p=574\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[300],"tags":[166,301,318],"class_list":["post-574","post","type-post","status-publish","format-standard","hentry","category-sem","tag-sem","tag-301","tag-318"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - 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