{"id":597,"date":"2025-12-30T09:39:14","date_gmt":"2025-12-30T00:39:14","guid":{"rendered":"http:\/\/waurimal.kr\/?p=597"},"modified":"2025-12-30T09:39:15","modified_gmt":"2025-12-30T00:39:15","slug":"chap-17-%ea%b5%ac%ec%a1%b0%eb%b0%a9%ec%a0%95%ec%8b%9d%ec%97%90%ec%84%9c-%ec%9a%94%ec%9d%b8-%ec%a0%90%ec%88%98-%ec%82%ac%ec%9a%a9%ed%95%98%ea%b8%b0","status":"publish","type":"post","link":"http:\/\/waurimal.kr\/?p=597","title":{"rendered":"Chap 17. \uad6c\uc870\ubc29\uc815\uc2dd\uc5d0\uc11c \uc694\uc778 \uc810\uc218 \uc0ac\uc6a9\ud558\uae30"},"content":{"rendered":"\n<p>\ubc18\uac11\uc2b5\ub2c8\ub2e4, \uc5ec\ub7ec\ubd84. \uc774\ubc88\uc5d4 \uad50\uc721\ud1b5\uacc4\ud559\uc758 \u2018\uaf43\u2019\uc774\ub77c \ubd88\ub9ac\ub294 \uad6c\uc870\ubc29\uc815\uc2dd \ubaa8\ub378\ub9c1(SEM)\uc744 \uacf5\ubd80\ud558\ub2e4 \ubcf4\uba74 \ud55c \ubc88\ucbe4 \ub9c8\uc8fc\ud558\uac8c \ub418\ub294 \ud604\uc2e4\uc801\uc778 \uace0\ubbfc, \ubc14\ub85c <strong>&#8220;\ud45c\ubcf8 \ud06c\uae30\uac00 \uc791\uc744 \ub54c \uc5b4\ub5bb\uac8c \ud574\uc57c \ud558\ub294\uac00?&#8221;<\/strong>\uc640 <strong>&#8220;\uc694\uc778 \uc810\uc218(Factor Scores)\ub97c \uadf8\ub0e5 \ud68c\uadc0\ubd84\uc11d\uc5d0 \uc368\ub3c4 \ub418\ub294\uac00?&#8221;<\/strong>\uc5d0 \ub300\ud574 \uc2ec\ub3c4 \uc788\uac8c \ub2e4\ub904\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uc6b0\ub9ac\ub294 \ubcf4\ud1b5 SEM\uc774 \uc7a0\uc7ac \ubcc0\uc218 \uac04\uc758 \uad00\uacc4\ub97c \ud30c\uc545\ud558\ub294 \uac00\uc7a5 \uc644\ubcbd\ud55c \ub3c4\uad6c\ub77c\uace0 \ubc30\uc6c1\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \uc2e4\uc81c \uad50\uc721 \ud604\uc7a5\uc5d0\uc11c \ub370\uc774\ud130\ub97c \uc218\uc9d1\ud558\ub2e4 \ubcf4\uba74 \ud45c\ubcf8 200~300\uba85\uc744 \ubaa8\uc73c\ub294 \uac83\uc774 \ud558\ub298\uc758 \ubcc4 \ub530\uae30\ucc98\ub7fc \ub290\uaef4\uc9c8 \ub54c\uac00 \ub9ce\uc8e0. \uc774\ub7f4 \ub54c \ub300\uc548\uc73c\ub85c \uc81c\uc2dc\ub418\ub294 <strong>\uc694\uc778 \uc810\uc218 \ud68c\uadc0\ubd84\uc11d(FSR)<\/strong>\uacfc \uadf8 \ud3b8\ud5a5\uc744 \ud68d\uae30\uc801\uc73c\ub85c \ud574\uacb0\ud55c <strong>Croon \ubc29\ubc95(SAM \uc811\uadfc\ubc95)<\/strong>\uc5d0 \ub300\ud574 \uc790\uc138\ud788 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">1. \uad6c\uc870\ubc29\uc815\uc2dd(SEM)\uc758 \uba85\uc554: \uc65c \ub300\uc548\uc774 \ud544\uc694\ud55c\uac00?<\/h2>\n\n\n\n<p>SEM\uc740 \uc7a0\uc7ac \ubcc0\uc218\ub97c \ub2e4\ub8f0 \ub54c \uce21\uc815 \uc624\ucc28(Measurement Error)\ub97c \ud1b5\uacc4\uc801\uc73c\ub85c \uace0\ub824\ud558\uae30 \ub54c\ubb38\uc5d0 <strong>\ube44\ud3b8\ud5a5\ub41c(Unbiased) \ucd94\uc815\uce58<\/strong>\ub97c \uc5bb\uc744 \uc218 \uc788\ub2e4\ub294 \uac15\ub825\ud55c \uc7a5\uc810\uc774 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ud55c \ubaa8\ub378\uc774 \ub370\uc774\ud130\uc5d0 \uc5bc\ub9c8\ub098 \uc798 \ub9de\ub294\uc9c0 \ub2e4\uc591\ud55c \uc801\ud569\ub3c4 \uc9c0\uc218\ub97c \ud1b5\ud574 \ud655\uc778\ud560 \uc218 \uc788\uc8e0.<\/p>\n\n\n\n<p>\ud558\uc9c0\ub9cc \ud604\uc2e4\uc801\uc778 \uc81c\uc57d\uc774 \ub530\ub985\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\ub300\ud45c\ubcf8\uc758 \ud544\uc694\uc131:<\/strong> \ucd94\uc815\ud574\uc57c \ud560 \ud30c\ub77c\ubbf8\ud130\uac00 \ub9ce\uc544\uc9c8\uc218\ub85d \uc544\uc8fc \ud070 \ud45c\ubcf8 \ud06c\uae30\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \uc608\uc0b0\uc774\ub098 \uc2dc\uac04 \uc81c\uc57d\uc774 \ud070 \ud559\uad50 \ud604\uc7a5 \uc5f0\uad6c\uc5d0\uc11c\ub294 \uc774\ub97c \ucda9\uc871\ud558\uae30 \uc5b4\ub835\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uc624\ucc28\uc758 \uc804\uc774:<\/strong> \ubaa8\ub378\uc758 \uc5b4\ub290 \ud55c \ubd80\ubd84\ub9cc \uc798\ubabb \uc124\uc815(Misspecification)\ub418\uc5b4\ub3c4 \ubaa8\ub378 \uc804\uccb4\uc758 \ud30c\ub77c\ubbf8\ud130\uac00 \uc65c\uace1\ub420 \uc704\ud5d8\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p>\uc774\ub7f0 \uc774\uc720\ub85c \uc5f0\uad6c\uc790\ub4e4\uc740 \uc7a0\uc7ac \ubcc0\uc218 \ub300\uc2e0 <strong>\uc694\uc778 \uc810\uc218(Factor Scores)<\/strong>\ub97c \uacc4\uc0b0\ud558\uc5ec \uc77c\ubc18\uc801\uc778 \ud68c\uadc0\ubd84\uc11d\uc744 \ub3cc\ub9ac\ub294 \ubc29\uc2dd\uc744 \ud0dd\ud558\uace4 \ud569\ub2c8\ub2e4. \uc774\uac83\uc774 \ubc14\ub85c <strong>\uc694\uc778 \uc810\uc218 \ud68c\uadc0\ubd84\uc11d(FSR)<\/strong>\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2. \uc694\uc778 \uc810\uc218 \ud65c\uc6a9\uc758 \ud568\uc815: &#8220;\ub098\uc774\ube0c(Naive)\ud55c \uc811\uadfc\uc758 \uc704\ud5d8\uc131&#8221;<\/h2>\n\n\n\n<p>\ub9ce\uc740 \uc5f0\uad6c\uc790\uac00 \ub2e8\uc21c\ud788 \uc694\uc778 \ubd84\uc11d\uc73c\ub85c \uc810\uc218\ub97c \ubf51\uc544 \ud68c\uadc0\ubd84\uc11d\uc744 \uc218\ud589\ud558\uc9c0\ub9cc, \uc774\ub294 <strong>\ud3b8\ud5a5\ub41c \uacb0\uacfc<\/strong>\ub97c \ub0b3\uc744 \ud655\ub960\uc774 \ub9e4\uc6b0 \ub192\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uc65c \ud3b8\ud5a5\uc774 \ubc1c\uc0dd\ud558\ub294\uac00?<\/h3>\n\n\n\n<p>\uc694\uc778 \uc810\uc218 <math data-latex=\"F_{i} = Ay\"><semantics><mrow><msub><mi>F<\/mi><mi>i<\/mi><\/msub><mo>=<\/mo><mi>A<\/mi><mi>y<\/mi><\/mrow><annotation encoding=\"application\/x-tex\">F_{i} = Ay<\/annotation><\/semantics><\/math>\ub294 \uad00\uce21 \ubcc0\uc218\ub4e4\uc758 \uc120\ud615 \uacb0\ud569\uc73c\ub85c \uacc4\uc0b0\ub418\ub294\ub370, \uc774 \uacfc\uc815\uc5d0\uc11c <strong>\uce21\uc815 \uc624\ucc28<\/strong>\uac00 \uc644\uc804\ud788 \uc81c\uac70\ub418\uc9c0 \uc54a\uace0 \uc810\uc218\uc5d0 \ud3ec\ud568\ub429\ub2c8\ub2e4. \uacb0\uacfc\uc801\uc73c\ub85c \uc694\uc778 \uc810\uc218\uc758 \ubd84\uc0b0-\uacf5\ubd84\uc0b0 \ud589\ub82c(<math data-latex=\"Var(F)\"><semantics><mrow><mi>V<\/mi><mi>a<\/mi><mi>r<\/mi><mo form=\"prefix\" stretchy=\"false\">(<\/mo><mi>F<\/mi><mo form=\"postfix\" stretchy=\"false\">)<\/mo><\/mrow><annotation encoding=\"application\/x-tex\">Var(F)<\/annotation><\/semantics><\/math>)\uc740 \uc2e4\uc81c \uc7a0\uc7ac \ubcc0\uc218\uc758 \uadf8\uac83(<math data-latex=\"Var(\\eta)\"><semantics><mrow><mi>V<\/mi><mi>a<\/mi><mi>r<\/mi><mo form=\"prefix\" stretchy=\"false\">(<\/mo><mi>\u03b7<\/mi><mo form=\"postfix\" stretchy=\"false\">)<\/mo><\/mrow><annotation encoding=\"application\/x-tex\">Var(\\eta)<\/annotation><\/semantics><\/math>)\uacfc \ub2ec\ub77c\uc9c0\uac8c \ub418\uba70, \uc774\ub97c \ubc14\ud0d5\uc73c\ub85c \uacc4\uc0b0\ub41c \ud68c\uadc0 \uacc4\uc218\ub294 \ub300\uac1c \uacfc\uc18c \ucd94\uc815(Downward bias)\ub418\uac70\ub098 \uc65c\uace1\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uc694\uc778 \uc810\uc218 \uc0b0\ucd9c \ubc29\uc2dd\uc5d0 \ub530\ub978 \ucc28\uc774<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>\ubc29\ubc95<\/strong><\/td><td><strong>\uc124\uba85<\/strong><\/td><td><strong>\uacb0\uacfc\uc758 \ud2b9\uc131<\/strong><\/td><\/tr><\/thead><tbody><tr><td><strong>Regression Predictor (<\/strong><math data-latex=\"A^R\"><semantics><msup><mi>A<\/mi><mi>R<\/mi><\/msup><annotation encoding=\"application\/x-tex\">A^R<\/annotation><\/semantics><\/math><strong>)<\/strong><\/td><td>Thomson, Thurstone\uc774 \uc81c\uc548<\/td><td>\ub3c5\ub9bd \ubcc0\uc218\ub9cc \uc7a0\uc7ac \ubcc0\uc218\uc77c \ub54c \ube44\ud3b8\ud5a5<\/td><\/tr><tr><td><strong>Bartlett Predictor (<\/strong><math data-latex=\"A^B\"><semantics><msup><mi>A<\/mi><mi>B<\/mi><\/msup><annotation encoding=\"application\/x-tex\">A^B<\/annotation><\/semantics><\/math><strong>)<\/strong><\/td><td>Bartlett\uc774 \uc81c\uc548<\/td><td>\uc885\uc18d \ubcc0\uc218\ub9cc \uc7a0\uc7ac \ubcc0\uc218\uc77c \ub54c \ube44\ud3b8\ud5a5<\/td><\/tr><tr><td><strong>\ud569\uc0b0 \uc810\uc218 (Sum Scores)<\/strong><\/td><td>\ub2e8\uc21c\ud788 \ubb38\ud56d \uc810\uc218\ub97c \ub354\ud568<\/td><td>\ubcd1\ud589 \uce21\uc815 \ubaa8\ub378(Parallel Model) \uac00\uc815\uc774 \uae68\uc9c0\uba74 \ud070 \ud3b8\ud5a5 \ubc1c\uc0dd<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">3. \ud574\uacb0\uc0ac: Croon \ubc29\ubc95\uacfc SAM (Structural After Measurement)<\/h2>\n\n\n\n<p>\uc774\ub7f0 \ud3b8\ud5a5 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\uae30 \uc704\ud574 <strong>Croon(2002)<\/strong>\uc740 \uc694\uc778 \uc810\uc218\uc758 \ubd84\uc0b0-\uacf5\ubd84\uc0b0 \ud589\ub82c\uc744 \uc218\ud559\uc801\uc73c\ub85c \ubcf4\uc815\ud558\ub294 \uacf5\uc2dd\uc744 \uc81c\uc548\ud588\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>Croon\uc758 \ubcf4\uc815 \uacf5\uc2dd<\/p>\n\n\n\n<p>\uc7a0\uc7ac \ubcc0\uc218\uc758 \uc2e4\uc81c \ubd84\uc0b0\uacfc \uacf5\ubd84\uc0b0\uc744 \ucd94\uc815\ud558\uae30 \uc704\ud574 \ub2e4\uc74c\uacfc \uac19\uc740 \ud589\ub82c \uc5f0\uc0b0\uc744 \uc218\ud589\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p><math data-latex=\"\\widehat{Var(\\eta_{k})} = (A_{k}\\Lambda_{k})^{-1}[Var(F_{k}) - A_{k}\\Theta_{k}A_{k}'](\\Lambda_{k}'A_{k}')^{-1}\"><semantics><mrow><mover><mrow><mi>V<\/mi><mi>a<\/mi><mi>r<\/mi><mo form=\"prefix\" stretchy=\"false\">(<\/mo><msub><mi>\u03b7<\/mi><mi>k<\/mi><\/msub><mo form=\"postfix\" stretchy=\"false\" lspace=\"0em\" rspace=\"0em\">)<\/mo><\/mrow><mo stretchy=\"true\" class=\"tml-crooked-4\" style=\"math-style:normal;math-depth:0;\">^<\/mo><\/mover><mo>=<\/mo><mo form=\"prefix\" stretchy=\"false\">(<\/mo><msub><mi>A<\/mi><mi>k<\/mi><\/msub><msub><mrow><mi mathvariant=\"normal\">\u039b<\/mi><\/mrow><mi>k<\/mi><\/msub><msup><mo form=\"postfix\" stretchy=\"false\">)<\/mo><mrow><mo lspace=\"0em\" rspace=\"0em\">\u2212<\/mo><mn>1<\/mn><\/mrow><\/msup><mo form=\"prefix\" stretchy=\"false\">[<\/mo><mi>V<\/mi><mi>a<\/mi><mi>r<\/mi><mo form=\"prefix\" stretchy=\"false\">(<\/mo><msub><mi>F<\/mi><mi>k<\/mi><\/msub><mo form=\"postfix\" stretchy=\"false\">)<\/mo><mo>\u2212<\/mo><msub><mi>A<\/mi><mi>k<\/mi><\/msub><msub><mrow><mi mathvariant=\"normal\">\u0398<\/mi><\/mrow><mi>k<\/mi><\/msub><msubsup><mi>A<\/mi><mi>k<\/mi><mo lspace=\"0em\" rspace=\"0em\" class=\"tml-prime\">\u2032<\/mo><\/msubsup><mo form=\"postfix\" stretchy=\"false\">]<\/mo><mo form=\"prefix\" stretchy=\"false\">(<\/mo><msubsup><mrow><mi mathvariant=\"normal\">\u039b<\/mi><\/mrow><mi>k<\/mi><mo lspace=\"0em\" rspace=\"0em\" class=\"tml-prime\">\u2032<\/mo><\/msubsup><msubsup><mi>A<\/mi><mi>k<\/mi><mo lspace=\"0em\" rspace=\"0em\" class=\"tml-prime\">\u2032<\/mo><\/msubsup><msup><mo form=\"postfix\" stretchy=\"false\">)<\/mo><mrow><mo lspace=\"0em\" rspace=\"0em\">\u2212<\/mo><mn>1<\/mn><\/mrow><\/msup><\/mrow><annotation encoding=\"application\/x-tex\">\\widehat{Var(\\eta_{k})} = (A_{k}\\Lambda_{k})^{-1}[Var(F_{k}) &#8211; A_{k}\\Theta_{k}A_{k}&#8217;](\\Lambda_{k}&#8217;A_{k}&#8217;)^{-1}<\/annotation><\/semantics><\/math><\/p>\n\n\n\n<p><math data-latex=\"\\widehat{Cov(\\eta_{k}, \\eta_{m})} = (A_{k}\\Lambda_{k})^{-1}Cov(F_{k}, F_{m})(\\Lambda_{m}'A_{m}')^{-1}\"><semantics><mrow><mover><mrow><mi>C<\/mi><mi>o<\/mi><mi>v<\/mi><mo form=\"prefix\" stretchy=\"false\">(<\/mo><msub><mi>\u03b7<\/mi><mi>k<\/mi><\/msub><mo separator=\"true\">,<\/mo><msub><mi>\u03b7<\/mi><mi>m<\/mi><\/msub><mo form=\"postfix\" stretchy=\"false\" lspace=\"0em\" rspace=\"0em\">)<\/mo><\/mrow><mo stretchy=\"true\" class=\"tml-crooked-4\" style=\"math-style:normal;math-depth:0;\">^<\/mo><\/mover><mo>=<\/mo><mo form=\"prefix\" stretchy=\"false\">(<\/mo><msub><mi>A<\/mi><mi>k<\/mi><\/msub><msub><mrow><mi mathvariant=\"normal\">\u039b<\/mi><\/mrow><mi>k<\/mi><\/msub><msup><mo form=\"postfix\" stretchy=\"false\">)<\/mo><mrow><mo lspace=\"0em\" rspace=\"0em\">\u2212<\/mo><mn>1<\/mn><\/mrow><\/msup><mi>C<\/mi><mi>o<\/mi><mi>v<\/mi><mo form=\"prefix\" stretchy=\"false\">(<\/mo><msub><mi>F<\/mi><mi>k<\/mi><\/msub><mo separator=\"true\">,<\/mo><msub><mi>F<\/mi><mi>m<\/mi><\/msub><mo form=\"postfix\" stretchy=\"false\">)<\/mo><mo form=\"prefix\" stretchy=\"false\">(<\/mo><msubsup><mrow><mi mathvariant=\"normal\">\u039b<\/mi><\/mrow><mi>m<\/mi><mo lspace=\"0em\" rspace=\"0em\" class=\"tml-prime\">\u2032<\/mo><\/msubsup><msubsup><mi>A<\/mi><mi>m<\/mi><mo lspace=\"0em\" rspace=\"0em\" class=\"tml-prime\">\u2032<\/mo><\/msubsup><msup><mo form=\"postfix\" stretchy=\"false\">)<\/mo><mrow><mo lspace=\"0em\" rspace=\"0em\">\u2212<\/mo><mn>1<\/mn><\/mrow><\/msup><\/mrow><annotation encoding=\"application\/x-tex\">\\widehat{Cov(\\eta_{k}, \\eta_{m})} = (A_{k}\\Lambda_{k})^{-1}Cov(F_{k}, F_{m})(\\Lambda_{m}&#8217;A_{m}&#8217;)^{-1}<\/annotation><\/semantics><\/math><\/p>\n\n\n\n<p>\uc774 \ubc29\ubc95\uc740 \uba3c\uc800 \uce21\uc815 \ubaa8\ub378\uc744 \uac1c\ubcc4\uc801\uc73c\ub85c \ucd94\uc815\ud55c \ub4a4(Step 1), \uadf8 \uc815\ubcf4\ub97c \ubc14\ud0d5\uc73c\ub85c \uad6c\uc870 \ubaa8\ub378\uc744 \ucd94\uc815\ud558\ub294(Step 2) <strong>2\ub2e8\uacc4 \uc811\uadfc\ubc95<\/strong>\uc758 \uc77c\uc885\uc785\ub2c8\ub2e4. \ucd5c\uadfc\uc5d0\ub294 \uc774\ub97c <strong>SAM(Structural After Measurement)<\/strong>\uc774\ub77c\ub294 \ub354 \ub113\uc740 \ud504\ub808\uc784\uc6cc\ud06c\ub85c \ubd80\ub974\uae30\ub3c4 \ud569\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\">4. \uc2e4\uc804 \uc0ac\ub840: \ud559\uad50\uae09\ubcc4 \ub514\uc9c0\ud138 \ub9ac\ud130\ub7ec\uc2dc\uc640 \ud559\uc2b5 \ucc38\uc5ec\ub3c4<\/h2>\n\n\n\n<p>\uc774\ud574\ub97c \ub3d5\uae30 \uc704\ud574 \uad50\uc721 \ud604\uc7a5\uc758 \uac00\uc0c1 \uc2dc\ub098\ub9ac\uc624\ub97c \ub9cc\ub4e4\uc5b4 \ubcf4\uc558\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>[\uac00\uc0c1 \uc2dc\ub098\ub9ac\uc624: \ub514\uc9c0\ud138 \uc120\ub3c4\ud559\uad50 \uc5f0\uad6c]<\/p>\n\n\n\n<p>A \uad50\uc218\ub294 \ucd08\ub4f1\ud559\uad50 50\uac1c\uad50\uc758 \uad50\uc7a5 \uc120\uc0dd\ub2d8\uc744 \ub300\uc0c1\uc73c\ub85c &#8216;\ud559\uad50\uc758 \ub514\uc9c0\ud138 \uc778\ud504\ub77c \uc218\uc900&#8217;\uc774 &#8216;\uad50\uc0ac\uc758 \ub514\uc9c0\ud138 \uad50\uc218 \uc5ed\ub7c9&#8217;\uc744 \ub9e4\uac1c\ub85c &#8216;\ud559\uc0dd\uc758 \ud559\uc2b5 \ucc38\uc5ec\ub3c4&#8217;\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5\uc744 \uc5f0\uad6c\ud558\uace0\uc790 \ud569\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \uad00\uce21 \ubcc0\uc218\ub294 40\uac1c\uac00 \ub118\ub294\ub370 \ud45c\ubcf8(\uad50\uc7a5\ub2e8)\uc740 50\uba85\ubfd0\uc785\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc778 SEM\uc73c\ub85c\ub294 \ucd94\uc815\uc774 \ubd88\uac00\ub2a5\ud55c \uc0c1\ud669\uc785\ub2c8\ub2e4.<\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\">\ubaa8\uc758 \ub370\uc774\ud130 \uc0dd\uc131 \ubc0f \ubd84\uc11d (R \uae30\ubc18)<\/h3>\n\n\n\n<p>jamovi\uc758 \uae30\ubcf8 SEM \ubaa8\ub4c8\uc740 \ud45c\uc900\uc801\uc778 SEM \uc704\uc8fc\uc774\ubbc0\ub85c, SAM(Croon \ubc29\ubc95)\uc744 \uc815\ud655\ud788 \uad6c\ud604\ud558\uae30 \uc704\ud574 jamovi \ub0b4\ubd80\uc758 <strong>Rj Editor<\/strong>\ub97c \uc0ac\uc6a9\ud558\uac70\ub098 R\uc744 \ud65c\uc6a9\ud558\ub294 \uac83\uc774 \uc88b\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>R<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># \ud544\uc694\ud55c \ub77c\uc774\ube0c\ub7ec\ub9ac \ub85c\ub4dc\nlibrary(lavaan)\n\n# 1. \uac00\uc0c1 \ub370\uc774\ud130 \uc0dd\uc131 (N=50, \uc18c\ud45c\ubcf8 \uc0c1\ud669)\nset.seed(2025)\nmodel_pop &lt;- '\n  Infrastructure =~ 0.8*i1 + 0.7*i2 + 0.9*i3\n  Competency =~ 0.8*c1 + 0.7*c2 + 0.6*c3\n  Engagement =~ 0.9*e1 + 0.8*e2 + 0.7*e3\n  Competency ~ 0.5*Infrastructure\n  Engagement ~ 0.4*Competency\n'\ndata_school &lt;- simulateData(model_pop, sample.nobs = 50)\n\n# 2. \uc77c\ubc18 SEM \uc2dc\ub3c4 (\ud45c\ubcf8\uc774 \uc791\uc544 \uc218\ub834 \uc2e4\ud328\ub098 \ubd88\uc548\uc815\ud55c \uacb0\uacfc \uac00\ub2a5\uc131)\nfit_sem &lt;- sem(model_pop, data = data_school)\n\n# 3. SAM (Croon \ubc29\ubc95 \uc801\uc6a9) \ubd84\uc11d\n# local SAM\uc740 Croon\uc758 \ubcf4\uc815\ubc95\uacfc \uc218\ud559\uc801\uc73c\ub85c \ub3d9\uc77c\ud568 &#91;cite: 409]\nfit_sam &lt;- sam(model_pop, data = data_school, sam.method = \"local\")\n\n# \uacb0\uacfc \ube44\uad50 \ucd9c\ub825\nsummary(fit_sam)\n<\/code><\/pre>\n\n\n\n<div class=\"wp-block-file\"><a id=\"wp-block-file--media-9d5a48bd-929a-4574-a2e2-cec7b1a3b05f\" href=\"http:\/\/waurimal.kr\/wp-content\/uploads\/2025\/12\/chap17.csv\">chap17<\/a><a href=\"http:\/\/waurimal.kr\/wp-content\/uploads\/2025\/12\/chap17.csv\" class=\"wp-block-file__button wp-element-button\" download aria-describedby=\"wp-block-file--media-9d5a48bd-929a-4574-a2e2-cec7b1a3b05f\">\ub2e4\uc6b4\ub85c\ub4dc<\/a><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\ubd84\uc11d \uacb0\uacfc \ud574\uc11d<\/h3>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\uc77c\ubc18 SEM:<\/strong> \ud45c\ubcf8 \ud06c\uae30(<math data-latex=\"N=50\"><semantics><mrow><mi>N<\/mi><mo>=<\/mo><mn>50<\/mn><\/mrow><annotation encoding=\"application\/x-tex\">N=50<\/annotation><\/semantics><\/math>)\uc5d0 \ube44\ud574 \ud30c\ub77c\ubbf8\ud130\uac00 \ub108\ubb34 \ub9ce\uc544 \uc801\ud569\ub3c4 \uc9c0\uc218\uac00 \uc2e0\ub8b0\ud558\uae30 \uc5b4\ub835\uac70\ub098 \ucd94\uc815\uce58\uac00 \ubd88\uc548\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>SAM(Croon \ubc29\ubc95):<\/strong> \uce21\uc815 \ubaa8\ub378\uc744 \uba3c\uc800 \ube14\ub85d\ubcc4\ub85c \ubd84\ub9ac\ud574\uc11c \ucd94\uc815\ud558\ubbc0\ub85c \uc18c\ud45c\ubcf8\uc5d0\uc11c\ub3c4 \uc548\uc815\uc801\uc73c\ub85c \uc218\ub834\ud558\uba70, \uc694\uc778 \uc810\uc218 \uc0ac\uc6a9 \uc2dc \ubc1c\uc0dd\ud558\ub294 \ud3b8\ud5a5\uc744 \ubcf4\uc815\ud558\uc5ec \ube44\ud3b8\ud5a5\ub41c \uacbd\ub85c \uacc4\uc218\ub97c \uc0b0\ucd9c\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">5. \uc694\uc57d \ubc0f \uacb0\ub860<\/h2>\n\n\n\n<p>\uc5f0\uad6c\uc790\ub85c\uc11c \uc6b0\ub9ac\ub294 \uc5b8\uc81c\ub098 &#8216;\uc644\ubcbd\ud55c&#8217; SEM\uc744 \uafc8\uafb8\uc9c0\ub9cc, \ud604\uc7a5\uc740 \ub298 \uc6b0\ub9ac\uc5d0\uac8c &#8216;\uc791\uc740 \ud45c\ubcf8&#8217;\uc774\ub77c\ub294 \uacfc\uc81c\ub97c \ub358\uc838\uc90d\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\ub098\uc774\ube0c\ud55c \uc694\uc778 \uc810\uc218 \uc0ac\uc6a9\uc740 \uae08\ubb3c:<\/strong> \uce21\uc815 \uc624\ucc28\ub85c \uc778\ud574 \uacb0\uacfc\uac00 \uc65c\uace1\ub429\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uc18c\ud45c\ubcf8\uc774\ub098 \ubcf5\uc7a1\ud55c \ubaa8\ub378\uc5d0\ub294 SAM(Croon)\uc774 \ub300\uc548:<\/strong> \ubaa8\ub378\uc744 \ubd80\ubd84\uc801\uc73c\ub85c \ub098\ub204\uc5b4 \ucd94\uc815\ud558\ubbc0\ub85c \uac15\uac74(Robust)\ud558\uba70, \uc624\ucc28 \uc804\uc774 \ubb38\uc81c\ub97c \ubc29\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ub3c4\uad6c \ud65c\uc6a9:<\/strong> R\uc758 <code>lavaan<\/code> \ud328\ud0a4\uc9c0\uc5d0 \uc788\ub294 <code>sam()<\/code> \ud568\uc218\ub97c \ud65c\uc6a9\ud558\uba74 \uc804\ubb38\uac00 \uc218\uc900\uc758 \ubcf4\uc815\ub41c \ubd84\uc11d\uc774 \uac00\ub2a5\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p>\uad50\uc721\ud559 \uc5f0\uad6c\uc758 \uac00\uce58\ub294 \ub370\uc774\ud130\uc758 \uc591\ubcf4\ub2e4 \uadf8 \ud574\uc11d\uc758 \uc815\uad50\ud568\uc5d0 \uc788\uc2b5\ub2c8\ub2e4. Croon \ubc29\ubc95\uc744 \ud1b5\ud574 \uc791\uc740 \ub370\uc774\ud130\uc5d0\uc11c\ub3c4 \ube5b\ub098\ub294 \ud1b5\ucc30\uc744 \uc5bb\uc73c\uc2dc\uae38 \ubc14\ub78d\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ucc38\uace0\ubb38\ud5cc<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Croon, M. A. (2002). Using predicted latent scores in general latent structure models. In G. Marcoulides &amp; I. Moustaki (Eds.), <em>Latent variable and latent structure modeling<\/em> (pp. 195\u2013223). Erblbaum.<\/li>\n\n\n\n<li>Devlieger, I., Mayer, A., &amp; Rosseel, Y. (2016). Hypothesis testing using factor score regression: A comparison of four methods. <em>Educational and Psychological Measurement, 76<\/em>(5), 741\u2013770.<\/li>\n\n\n\n<li>Devlieger, I., &amp; Rosseel, Y. (2017). Factor score path analysis: An alternative for SEM? <em>Methodology, 13<\/em>, 31\u201338.<\/li>\n\n\n\n<li>Devlieger, I., Talloen, W., &amp; Rosseel, Y. (2019). New developments in factor score regression: Fit indices and a model comparison test. <em>Educational and Psychological Measurement, 79<\/em>(6), 1017\u20131037.<\/li>\n\n\n\n<li>Rosseel, Y., &amp; Loh, W. W. (in press). A structural-after-measurement (SAM) approach to structural equation modeling. <em>Psychological Methods<\/em>.<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ubc18\uac11\uc2b5\ub2c8\ub2e4, \uc5ec\ub7ec\ubd84. \uc774\ubc88\uc5d4 \uad50\uc721\ud1b5\uacc4\ud559\uc758 \u2018\uaf43\u2019\uc774\ub77c \ubd88\ub9ac\ub294 \uad6c\uc870\ubc29\uc815\uc2dd \ubaa8\ub378\ub9c1(SEM)\uc744 \uacf5\ubd80\ud558\ub2e4 \ubcf4\uba74 \ud55c \ubc88\ucbe4 \ub9c8\uc8fc\ud558\uac8c \ub418\ub294 \ud604\uc2e4\uc801\uc778 \uace0\ubbfc, \ubc14\ub85c &#8220;\ud45c\ubcf8 \ud06c\uae30\uac00 \uc791\uc744 \ub54c \uc5b4\ub5bb\uac8c \ud574\uc57c \ud558\ub294\uac00?&#8221;\uc640 &#8220;\uc694\uc778 \uc810\uc218(Factor Scores)\ub97c \uadf8\ub0e5 \ud68c\uadc0\ubd84\uc11d\uc5d0 \uc368\ub3c4 \ub418\ub294\uac00?&#8221;\uc5d0 \ub300\ud574 \uc2ec\ub3c4 \uc788\uac8c \ub2e4\ub904\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uc6b0\ub9ac\ub294 \ubcf4\ud1b5 SEM\uc774 \uc7a0\uc7ac \ubcc0\uc218 \uac04\uc758 \uad00\uacc4\ub97c \ud30c\uc545\ud558\ub294 \uac00\uc7a5 \uc644\ubcbd\ud55c \ub3c4\uad6c\ub77c\uace0 \ubc30\uc6c1\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \uc2e4\uc81c \uad50\uc721 \ud604\uc7a5\uc5d0\uc11c \ub370\uc774\ud130\ub97c \uc218\uc9d1\ud558\ub2e4 \ubcf4\uba74 \ud45c\ubcf8 <a class=\"read-more\" href=\"http:\/\/waurimal.kr\/?p=597\">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":[332,331,333,166,301,330],"class_list":["post-597","post","type-post","status-publish","format-standard","hentry","category-sem","tag-croon-","tag-factor-score","tag-sam-","tag-sem","tag-301","tag-330"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - 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