{"id":583,"date":"2025-12-29T14:59:59","date_gmt":"2025-12-29T05:59:59","guid":{"rendered":"http:\/\/waurimal.kr\/?p=583"},"modified":"2025-12-29T14:59:59","modified_gmt":"2025-12-29T05:59:59","slug":"chap-14-%ed%99%95%ec%9d%b8%ec%a0%81-%ec%9a%94%ec%9d%b8%eb%b6%84%ec%84%9dcfa","status":"publish","type":"post","link":"http:\/\/waurimal.kr\/?p=583","title":{"rendered":"Chap 14. \ud655\uc778\uc801 \uc694\uc778\ubd84\uc11d(CFA)"},"content":{"rendered":"\n<p>\uc548\ub155\ud558\uc138\uc694. <br>\uc5ec\ub7ec\ubd84\uacfc \ud568\uaed8 <strong>\ud655\uc778\uc801 \uc694\uc778\ubd84\uc11d(Confirmatory Factor Analysis, CFA)<\/strong>\uc758 \uc138\uacc4\ub97c \ud0d0\uad6c\ud558\uac8c \ub418\uc5b4 \uae30\uc069\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uc624\ub298 \uc6b0\ub9ac\uac00 \uc0b4\ud3b4\ubcfc \ub0b4\uc6a9\uc740 Timothy A. Brown\uc758 \ud575\uc2ec \uc774\ub860\uc744 \ubc14\ud0d5\uc73c\ub85c \ud558\uba70, \uc2e4\uc81c \ud559\uad50 \ud604\uc7a5\uc5d0\uc11c \ub9c8\uc8fc\ud560 \uc218 \uc788\ub294 <strong>&#8216;\ud559\uc5c5 \uc790\uae30\ud6a8\ub2a5\uac10&#8217;<\/strong>\uacfc **<strong>&#8216;\uad50\uc0ac \uc9c0\uc9c0&#8217;<\/strong>\ub77c\ub294 \ub450 \uac00\uc9c0 \uac1c\ub150\uc744 \ud1b5\ud574 CFA\uc758 \uc804 \uacfc\uc815\uc744 \uc0c1\uc138\ud788 \ud559\uc2b5\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">1. \ud655\uc778\uc801 \uc694\uc778\ubd84\uc11d(CFA)\uc758 \ubcf8\uc9c8<\/h2>\n\n\n\n<p>\ud655\uc778\uc801 \uc694\uc778\ubd84\uc11d\uc740 \uad6c\uc870\ubc29\uc815\uc2dd \ubaa8\ub378\ub9c1(SEM)\uc758 \ud575\uc2ec\uc801\uc778 \ubd80\ubd84\uc73c\ub85c, <strong>\uce21\uc815 \ubaa8\ub378(Measurement Model)<\/strong>\uc744 \ub2e4\ub8f9\ub2c8\ub2e4. \uc989, \uc6b0\ub9ac\uac00 \uc9c1\uc811 \uad00\ucc30\ud55c \uc9c0\ud45c\ub4e4(\uc2dc\ud5d8 \uc810\uc218, \uc124\ubb38 \ubb38\ud56d \ub4f1)\uacfc \uc6b0\ub9ac\uac00 \uc9c1\uc811 \ubcfc \uc218 \uc5c6\ub294 \uc7a0\uc7ac \ubcc0\uc218(\uc9c0\ub2a5, \uc131\uaca9, \ud6a8\ub2a5\uac10 \ub4f1) \uc0ac\uc774\uc758 \uad00\uacc4\ub97c \uaddc\uba85\ud558\ub294 \uc791\uc5c5\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1.1 \uacf5\ud1b5 \uc694\uc778 \ubaa8\ub378 (Common Factor Model)<\/h3>\n\n\n\n<p>CFA\uc758 \uae30\ucd08\ub294 \ubaa8\ub4e0 \uad00\ucc30 \uc9c0\ud45c\uac00 \ud558\ub098 \uc774\uc0c1\uc758 <strong>\uacf5\ud1b5 \uc694\uc778(Common Factor)<\/strong>\uacfc \ud558\ub098\uc758 <strong>\uace0\uc720 \uc694\uc778(Unique Factor)<\/strong>\uc758 \uc120\ud615 \uacb0\ud569\uc774\ub77c\ub294 \uac00\uc815\uc5d0\uc11c \ucd9c\ubc1c\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uacf5\ud1b5 \ubcc0\ub7c9(Common Variance):<\/strong> \uc7a0\uc7ac \ubcc0\uc218\uc5d0 \uc758\ud574 \uc124\uba85\ub418\ub294 \ubd80\ubd84\uc73c\ub85c, \uc5ec\ub7ec \uc9c0\ud45c\uac00 \uacf5\uc720\ud558\ub294 \ubcc0\ub7c9\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uace0\uc720 \ubcc0\ub7c9(Unique Variance):<\/strong> \ud574\ub2f9 \uc9c0\ud45c\ub9cc\uc774 \uac00\uc9c4 \uc2e0\ub8b0\ub85c\uc6b4 \ud2b9\uc131\uacfc \uce21\uc815 \uc624\ucc28(Measurement Error)\uac00 \uacb0\ud569\ub41c \ubd80\ubd84\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">1.2 \ud0d0\uc0c9\uc801 \uc694\uc778\ubd84\uc11d(EFA) vs. \ud655\uc778\uc801 \uc694\uc778\ubd84\uc11d(CFA)<\/h3>\n\n\n\n<p>\uac00\uc7a5 \ud070 \ucc28\uc774\ub294 &#8216;<strong>\uc0ac\uc804 \uc81c\uc57d(A priori specification)&#8217;<\/strong>\uc5d0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>EFA:<\/strong> \ub370\uc774\ud130\uac00 \uc2a4\uc2a4\ub85c \uad6c\uc870\ub97c \ub4dc\ub7ec\ub0b4\ub3c4\ub85d \ub450\ub294 \ub370\uc774\ud130 \uc911\uc2ec \uc811\uadfc\ubc95\uc785\ub2c8\ub2e4. \uc5b4\ub5a4 \ubb38\ud56d\uc774 \uc5b4\ub5a4 \uc694\uc778\uc5d0 \ubb36\uc77c\uc9c0 \uc0ac\uc804\uc5d0 \uc815\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>CFA:<\/strong> \uc5f0\uad6c\uc790\uac00 \uc774\ub860\uc801 \uadfc\uac70\ub97c \ubc14\ud0d5\uc73c\ub85c \uc694\uc778\uc758 \uc218, \ubb38\ud56d\uacfc\uc758 \uad00\uacc4(\uc694\uc778 \ubd80\ud558\ub7c9) \ub4f1\uc744 <strong>\ubbf8\ub9ac \uc9c0\uc815<\/strong>\ud558\uace0, \uc774 \ubaa8\ub378\uc774 \uc2e4\uc81c \ub370\uc774\ud130\uc640 \uc5bc\ub9c8\ub098 \uc798 \ub9de\ub294\uc9c0 \ud3c9\uac00\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">2. CFA\uc758 \uc8fc\uc694 \ubaa9\uc801\uacfc \ud30c\ub77c\ubbf8\ud130<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">2.1 \uc65c CFA\ub97c \ud558\ub294\uac00?<\/h3>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\ucc99\ub3c4 \uac1c\ubc1c \ubc0f \ud0c0\ub2f9\ud654:<\/strong> \uc124\ubb38\uc9c0\uac00 \uc758\ub3c4\ud55c \uad6c\uc870\ub300\ub85c \uc791\ub3d9\ud558\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ubc29\ubc95 \ud6a8\uacfc(Method Effects) \uac80\ucd9c:<\/strong> \ubb38\ud56d\uc758 \ud45c\ud604 \ubc29\uc2dd(\uc5ed\ucc44\uc810 \ubb38\ud56d \ub4f1) \ub54c\ubb38\uc5d0 \ubc1c\uc0dd\ud558\ub294 \uc624\ucc28\uc758 \uc0c1\uad00\uc744 \ubaa8\ub378\ub9c1\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uc218\ub834 \ubc0f \ud310\ubcc4 \ud0c0\ub2f9\ub3c4 \uac80\uc99d:<\/strong> \ube44\uc2b7\ud55c \uac1c\ub150\uc758 \uc9c0\ud45c\ub07c\ub9ac \uac15\ud558\uac8c \ubb36\uc774\ub294\uc9c0(\uc218\ub834), \uc11c\ub85c \ub2e4\ub978 \uac1c\ub150\uc774 \ucda9\ubd84\ud788 \uad6c\ubd84\ub418\ub294\uc9c0(\ud310\ubcc4) \ud655\uc778\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uce21\uc815 \ub3d9\uc77c\uc131(Measurement Invariance) \ud3c9\uac00:<\/strong> \uc131\ubcc4\uc774\ub098 \ubb38\ud654\uad8c\uc5d0 \ub530\ub77c \ucc99\ub3c4\uac00 \ub3d9\uc77c\ud558\uac8c \uae30\ub2a5\ud558\ub294\uc9c0 \ubd84\uc11d\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n\n\n\n<p>2.2 \ubaa8\ub378\uc758 \uc8fc\uc694 \ud30c\ub77c\ubbf8\ud130<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uc694\uc778 \ubd80\ud558\ub7c9(Factor Loadings, <\/strong><math data-latex=\"\\lambda\"><semantics><mi>\u03bb<\/mi><annotation encoding=\"application\/x-tex\">\\lambda<\/annotation><\/semantics><\/math><strong>):<\/strong> \uc694\uc778\uc774 \uc9c0\ud45c\ub97c \uc608\uce21\ud558\ub294 \ud68c\uadc0 \uacc4\uc218\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uace0\uc720 \ubcc0\ub7c9(Unique Variances, <\/strong><math data-latex=\"\\delta\"><semantics><mi>\u03b4<\/mi><annotation encoding=\"application\/x-tex\">\\delta<\/annotation><\/semantics><\/math><strong>):<\/strong> \uc694\uc778\uc5d0 \uc758\ud574 \uc124\uba85\ub418\uc9c0 \uc54a\ub294 \ub098\uba38\uc9c0 \uc624\ucc28 \ubd80\ubd84\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uc694\uc778 \ubd84\uc0b0 \ubc0f \uacf5\ubd84\uc0b0(<\/strong><math data-latex=\"\\phi\"><semantics><mi>\u03d5<\/mi><annotation encoding=\"application\/x-tex\">\\phi<\/annotation><\/semantics><\/math><strong>):<\/strong> \uc7a0\uc7ac \ubcc0\uc218 \uc790\uccb4\uc758 \ubcc0\ub3d9\uc131\uacfc \ubcc0\uc218 \uac04\uc758 \uad00\uacc4\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">3. \uc2e4\uc2b5\uc744 \uc704\ud55c \uc2dc\ub098\ub9ac\uc624 \ubc0f \ubaa8\uc758 \ub370\uc774\ud130 \uc0dd\uc131<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83c\udfeb \uc5f0\uad6c \uc2dc\ub098\ub9ac\uc624: &#8220;\uc911\ud559\uc0dd\uc758 \ud559\uc2b5 \ub3d9\uae30 \uad6c\uc870 \ubd84\uc11d&#8221;<\/h3>\n\n\n\n<p>A \uc911\ud559\uad50 \uc0c1\ub2f4 \uad50\uc0ac\uc778 \ub2f9\uc2e0\uc740 \ud559\uc0dd\ub4e4\uc774 \ub290\ub07c\ub294 <strong>&#8216;\ud559\uc5c5 \uc790\uae30\ud6a8\ub2a5\uac10(Self-Efficacy, SE)&#8217;<\/strong>\uacfc <strong>&#8216;\uad50\uc0ac \uc9c0\uc9c0(Teacher Support, TS)&#8217;<\/strong>\uac00 \uc11c\ub85c \ub2e4\ub978 \uac1c\ub150\uc778\uc9c0, \uadf8\ub9ac\uace0 \uac01 \ubb38\ud56d\uc774 \uc801\uc808\ud55c\uc9c0 \uac80\uc99d\ud558\uace0\uc790 \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\ud559\uc5c5 \uc790\uae30\ud6a8\ub2a5\uac10(SE):<\/strong> \ubb38\ud56d X1~X4 (\uc608: &#8220;\ub098\ub294 \uc5b4\ub824\uc6b4 \ubb38\uc81c\ub3c4 \ud480 \uc218 \uc788\ub2e4&#8221;)<\/li>\n\n\n\n<li><strong>\uad50\uc0ac \uc9c0\uc9c0(TS):<\/strong> \ubb38\ud56d X5~X8 (\uc608: &#8220;\uc120\uc0dd\ub2d8\uc740 \ub0b4\uac00 \ud798\ub4e4 \ub54c \ub3c4\uc640\uc8fc\uc2e0\ub2e4&#8221;)<\/li>\n\n\n\n<li><strong>\ud2b9\uc774 \uc0ac\ud56d:<\/strong> X7\uacfc X8\uc740 \ubd80\uc815\uc801\uc778 \ub258\uc559\uc2a4\uc758 \uc5ed\ucc44\uc810 \ubb38\ud56d\uc73c\ub85c \uc124\uacc4\ub418\uc5b4 \ubb38\ud56d \uac04 \uc624\ucc28 \uc0c1\uad00\uc774 \uc608\uc0c1\ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Jamovi \ubc0f R \uc2e4\uc2b5 \ucf54\ub4dc<\/h3>\n\n\n\n<p>Jamovi\ub294 \ub0b4\ubd80\uc801\uc73c\ub85c R\uc758 <code>lavaan<\/code> \ud328\ud0a4\uc9c0\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uba3c\uc800 \ubd84\uc11d\uc5d0 \uc0ac\uc6a9\ud560 \ubaa8\uc758 \ub370\uc774\ud130\ub97c \uc0dd\uc131\ud558\uace0 \ubd84\uc11d\ud558\ub294 R \ucf54\ub4dc\ub97c \uc81c\uc2dc\ud569\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\nif(!require(lavaan)) install.packages(\"lavaan\")\nlibrary(lavaan)\n\n# 1. \ubaa8\uc758 \ub370\uc774\ud130 \uc0dd\uc131 (N=300)\nset.seed(2025)\nmodel_sim &lt;- '\n  SE =~ 0.8*x1 + 0.7*x2 + 0.75*x3 + 0.6*x4\n  TS =~ 0.85*x5 + 0.8*x6 + 0.75*x7 + 0.7*x8\n  SE ~~ 0.4*TS  # \ub450 \uc694\uc778 \uac04 \uc0c1\uad00\n  x7 ~~ 0.3*x8  # \ubc29\ubc95 \ud6a8\uacfc (\uc624\ucc28 \uc0c1\uad00)\n'\ndat &lt;- simulateData(model_sim, sample.nobs = 300)\n\n# 2. CFA \ubaa8\ub378 \uc124\uc815\ncfa_model &lt;- '\n  Academic_SE =~ x1 + x2 + x3 + x4\n  Teacher_TS  =~ x5 + x6 + x7 + x8\n  \n  # \uc624\ucc28 \uacf5\ubd84\uc0b0 \uc9c0\uc815 (\uc5ed\ucc44\uc810 \ubb38\ud56d\uc758 \ubc29\ubc95 \ud6a8\uacfc \ubc18\uc601)\n  x7 ~~ x8\n'\n\n# 3. \ubaa8\ub378 \ucd94\uc815\nfit &lt;- cfa(cfa_model, data = dat, std.lv = TRUE)\n\n# 4. \uacb0\uacfc \uc694\uc57d\nsummary(fit, fit.measures = TRUE, standardized = TRUE, rsquare = TRUE)\n<\/code><\/pre>\n\n\n\n<div class=\"wp-block-file\"><a id=\"wp-block-file--media-9cac8450-c66d-4c92-a6a9-4da069f70f56\" href=\"http:\/\/waurimal.kr\/wp-content\/uploads\/2025\/12\/chap14.csv\">chap14<\/a><a href=\"http:\/\/waurimal.kr\/wp-content\/uploads\/2025\/12\/chap14.csv\" class=\"wp-block-file__button wp-element-button\" download aria-describedby=\"wp-block-file--media-9cac8450-c66d-4c92-a6a9-4da069f70f56\">\ub2e4\uc6b4\ub85c\ub4dc<\/a><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">4. \ubaa8\ub378 \uc2dd\ubcc4\uacfc \ud3c9\uac00<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">4.1 \ubaa8\ub378 \uc2dd\ubcc4 (Identification)<\/h3>\n\n\n\n<p>CFA\ub97c \uc218\ud589\ud558\ub824\uba74 \uc7a0\uc7ac \ubcc0\uc218\uc758 \ucc99\ub3c4\ub97c \uc815\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\uc9c0\ud45c \uace0\uc815\ubc95(Marker Indicator):<\/strong> \ud55c \ubb38\ud56d\uc758 \ubd80\ud558\ub7c9\uc744 1.0\uc73c\ub85c \uace0\uc815\ud558\uc5ec \ud574\ub2f9 \ubb38\ud56d\uc758 \ub2e8\uc704\ub97c \uc7a0\uc7ac \ubcc0\uc218\uc5d0 \ubd80\uc5ec\ud569\ub2c8\ub2e4. (Jamovi\/Mplus \uae30\ubcf8\uac12)<\/li>\n\n\n\n<li><strong>\ubd84\uc0b0 \uace0\uc815\ubc95(Fixed Factor Variance):<\/strong> \uc694\uc778\uc758 \ubd84\uc0b0\uc744 1.0\uc73c\ub85c \uace0\uc815\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n\n\n\n<p>\ub610\ud55c, \uc54c\uace0 \uc788\ub294 \uc815\ubcf4(\ub370\uc774\ud130\uc758 \ubd84\uc0b0\/\uacf5\ubd84\uc0b0)\uac00 \ucd94\uc815\ud560 \ud30c\ub77c\ubbf8\ud130 \uc218\ubcf4\ub2e4 \ub9ce\uc544\uc57c \ud569\ub2c8\ub2e4(<strong>\uacfc\uc789 \uc2dd\ubcc4<\/strong>, df > 0).<\/p>\n\n\n\n<p>4.2 \uc801\ud569\ub3c4 \uc9c0\uc218 (Goodness-of-Fit)<\/p>\n\n\n\n<p>\ubaa8\ub378\uc774 \uc2e4\uc81c \ub370\uc774\ud130\ub97c \uc5bc\ub9c8\ub098 \uc798 \ubaa8\uc0ac\ud558\ub294\uc9c0 \ud3c9\uac00\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><math data-latex=\"\\chi^2\"><semantics><msup><mi>\u03c7<\/mi><mn>2<\/mn><\/msup><annotation encoding=\"application\/x-tex\">\\chi^2<\/annotation><\/semantics><\/math><strong> (Chi-square):<\/strong> <math data-latex=\"p &gt; .05\"><semantics><mrow><mi>p<\/mi><mo>&gt;<\/mo><mn>.05<\/mn><\/mrow><annotation encoding=\"application\/x-tex\">p &gt; .05<\/annotation><\/semantics><\/math>\uc774\uba74 \uc644\ubcbd\ud55c \uc801\ud569\uc744 \uc758\ubbf8\ud558\uc9c0\ub9cc, \ud45c\ubcf8 \ud06c\uae30\uc5d0 \ubbfc\uac10\ud558\uc5ec \ubcf4\ud1b5 \ucc38\uace0\uc6a9\uc73c\ub85c\ub9cc \ubd05\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>CFI \/ TLI:<\/strong> .95 \uc774\uc0c1\uc774\uba74 \uc6b0\uc218\ud55c \uc801\ud569\ub3c4\ub85c \ubd05\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>RMSEA:<\/strong> .06 \uc774\ud558(\ub610\ub294 .08 \uc774\ud558)\ub97c \uc591\ud638\ud55c \uc218\uc900\uc73c\ub85c \ubd05\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>SRMR:<\/strong> .08 \uc774\ud558\uc77c \ub54c \ubaa8\ub378\uc774 \ub370\uc774\ud130\ub97c \uc798 \uc124\uba85\ud55c\ub2e4\uace0 \ubd05\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">5. \ubaa8\ub378 \uc218\uc815 (Respecification)<\/h2>\n\n\n\n<p>\ub9cc\uc57d \uc801\ud569\ub3c4\uac00 \ub0ae\ub2e4\uba74 \uc5b4\ub5bb\uac8c \ud574\uc57c \ud560\uae4c\uc694?<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\uc218\uc815 \uc9c0\ud45c(Modification Indices, MI):<\/strong> &#8220;\ud2b9\uc815 \uc624\ucc28\ub07c\ub9ac \uc0c1\uad00\uc744 \ub9fa\uc5b4\uc8fc\uba74 <math data-latex=\"\\chi^2\"><semantics><msup><mi>\u03c7<\/mi><mn>2<\/mn><\/msup><annotation encoding=\"application\/x-tex\">\\chi^2<\/annotation><\/semantics><\/math>\uac00 \uc774\ub9cc\ud07c \uc904\uc5b4\ub4e4 \uac83\uc774\ub2e4&#8221;\ub77c\uace0 \uc54c\ub824\uc8fc\ub294 \uc9c0\ud45c\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n<li><math data-latex=\"\\chi^2\"><semantics><msup><mi>\u03c7<\/mi><mn>2<\/mn><\/msup><annotation encoding=\"application\/x-tex\">\\chi^2<\/annotation><\/semantics><\/math><strong> \ucc28\uc774 \uac80\uc99d:<\/strong> \uc6d0\ub798 \ubaa8\ub378(\uacbd\uc9c1\ub41c \ubaa8\ub378)\uacfc \ud30c\ub77c\ubbf8\ud130\ub97c \ucd94\uac00\ud55c \ubaa8\ub378(\uc720\uc5f0\ud55c \ubaa8\ub378)\uc744 \ube44\uad50\ud558\uc5ec \ud1b5\uacc4\uc801\uc73c\ub85c \uc720\uc758\ud55c \uac1c\uc120\uc774 \uc788\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>\u26a0\ufe0f \uc8fc\uc758:<\/strong> \uc218\uc815 \uc9c0\ud45c\uc5d0\ub9cc \uc758\uc874\ud574 \ubaa8\ub378\uc744 \uace0\uce58\ub294 \uac83\uc740 &#8216;\ub370\uc774\ud130 \ub07c\uc6cc\ub9de\ucd94\uae30(Overfitting)&#8217;\uac00 \ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ubc18\ub4dc\uc2dc \uc774\ub860\uc801 \uadfc\uac70\uac00 \uc788\uc5b4\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">6. \uacb0\ub860 \ubc0f \uc694\uc57d<\/h2>\n\n\n\n<p>\ud655\uc778\uc801 \uc694\uc778\ubd84\uc11d\uc740 \uc6b0\ub9ac\uac00 \uce21\uc815\ud558\uace0\uc790 \ud558\ub294 \uc2ec\ub9ac\uc801 \uac00\uc124\uc744 \uc5c4\uaca9\ud558\uac8c \ud14c\uc2a4\ud2b8\ud558\ub294 \ub3c4\uad6c\uc785\ub2c8\ub2e4. \ub2e8\uc21c\ud788 \ud1b5\uacc4\uce58\ub97c \uc5bb\ub294 \uac83\uc744 \ub118\uc5b4, \uc5f0\uad6c\uc790\uac00 \uac00\uc9c4 \uc774\ub860\uc774 \uc2e4\uc81c \uad50\uc721 \ud604\uc7a5\uc758 \ub370\uc774\ud130\uc640 \ubd80\ud569\ud558\ub294\uc9c0 \uc99d\uba85\ud558\ub294 \uacfc\uc815\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ucc38\uace0\ubb38\ud5cc<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Brown, T. A. (2015). <em>Confirmatory factor analysis for applied research<\/em> (2nd ed.). Guilford Press.<\/li>\n\n\n\n<li>Hu, L., &amp; Bentler, P. M. (1999). Cutoff criteria for fit indexes in covariance structure analysis: Conventional criteria versus new alternatives. <em>Structural Equation Modeling, 6<\/em>(1), 1-55. <a href=\"https:\/\/doi.org\/10.1080\/10705519909540118\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/doi.org\/10.1080\/10705519909540118<\/a><\/li>\n\n\n\n<li>Muth\u00e9n, L. K., &amp; Muth\u00e9n, B. O. (1998-2021). <em>Mplus user&#8217;s guide<\/em>. Author.<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc548\ub155\ud558\uc138\uc694. \uc5ec\ub7ec\ubd84\uacfc \ud568\uaed8 \ud655\uc778\uc801 \uc694\uc778\ubd84\uc11d(Confirmatory Factor Analysis, CFA)\uc758 \uc138\uacc4\ub97c \ud0d0\uad6c\ud558\uac8c \ub418\uc5b4 \uae30\uc069\ub2c8\ub2e4. \uc624\ub298 \uc6b0\ub9ac\uac00 \uc0b4\ud3b4\ubcfc \ub0b4\uc6a9\uc740 Timothy A. Brown\uc758 \ud575\uc2ec \uc774\ub860\uc744 \ubc14\ud0d5\uc73c\ub85c \ud558\uba70, \uc2e4\uc81c \ud559\uad50 \ud604\uc7a5\uc5d0\uc11c \ub9c8\uc8fc\ud560 \uc218 \uc788\ub294 &#8216;\ud559\uc5c5 \uc790\uae30\ud6a8\ub2a5\uac10&#8217;\uacfc **&#8216;\uad50\uc0ac \uc9c0\uc9c0&#8217;\ub77c\ub294 \ub450 \uac00\uc9c0 \uac1c\ub150\uc744 \ud1b5\ud574 CFA\uc758 \uc804 \uacfc\uc815\uc744 \uc0c1\uc138\ud788 \ud559\uc2b5\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4. 1. \ud655\uc778\uc801 \uc694\uc778\ubd84\uc11d(CFA)\uc758 \ubcf8\uc9c8 \ud655\uc778\uc801 \uc694\uc778\ubd84\uc11d\uc740 \uad6c\uc870\ubc29\uc815\uc2dd \ubaa8\ub378\ub9c1(SEM)\uc758 \ud575\uc2ec\uc801\uc778 \ubd80\ubd84\uc73c\ub85c, \uce21\uc815 \ubaa8\ub378(Measurement <a class=\"read-more\" href=\"http:\/\/waurimal.kr\/?p=583\">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":[321,145,166,301,322],"class_list":["post-583","post","type-post","status-publish","format-standard","hentry","category-sem","tag-cfa","tag-jamovi","tag-sem","tag-301","tag-322"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Chap 14. \ud655\uc778\uc801 \uc694\uc778\ubd84\uc11d(CFA) - WaurimaL<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/waurimal.kr\/?p=583\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Chap 14. \ud655\uc778\uc801 \uc694\uc778\ubd84\uc11d(CFA) - WaurimaL\" \/>\n<meta property=\"og:description\" content=\"\uc548\ub155\ud558\uc138\uc694. \uc5ec\ub7ec\ubd84\uacfc \ud568\uaed8 \ud655\uc778\uc801 \uc694\uc778\ubd84\uc11d(Confirmatory Factor Analysis, CFA)\uc758 \uc138\uacc4\ub97c \ud0d0\uad6c\ud558\uac8c \ub418\uc5b4 \uae30\uc069\ub2c8\ub2e4. \uc624\ub298 \uc6b0\ub9ac\uac00 \uc0b4\ud3b4\ubcfc \ub0b4\uc6a9\uc740 Timothy A. Brown\uc758 \ud575\uc2ec \uc774\ub860\uc744 \ubc14\ud0d5\uc73c\ub85c \ud558\uba70, \uc2e4\uc81c \ud559\uad50 \ud604\uc7a5\uc5d0\uc11c \ub9c8\uc8fc\ud560 \uc218 \uc788\ub294 &#8216;\ud559\uc5c5 \uc790\uae30\ud6a8\ub2a5\uac10&#8217;\uacfc **&#8216;\uad50\uc0ac \uc9c0\uc9c0&#8217;\ub77c\ub294 \ub450 \uac00\uc9c0 \uac1c\ub150\uc744 \ud1b5\ud574 CFA\uc758 \uc804 \uacfc\uc815\uc744 \uc0c1\uc138\ud788 \ud559\uc2b5\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4. 1. \ud655\uc778\uc801 \uc694\uc778\ubd84\uc11d(CFA)\uc758 \ubcf8\uc9c8 \ud655\uc778\uc801 \uc694\uc778\ubd84\uc11d\uc740 \uad6c\uc870\ubc29\uc815\uc2dd \ubaa8\ub378\ub9c1(SEM)\uc758 \ud575\uc2ec\uc801\uc778 \ubd80\ubd84\uc73c\ub85c, \uce21\uc815 \ubaa8\ub378(Measurement Read more\" \/>\n<meta property=\"og:url\" content=\"http:\/\/waurimal.kr\/?p=583\" \/>\n<meta property=\"og:site_name\" content=\"WaurimaL\" \/>\n<meta property=\"article:published_time\" content=\"2025-12-29T05:59:59+00:00\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\uae00\uc4f4\uc774\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\uc608\uc0c1 \ub418\ub294 \ud310\ub3c5 \uc2dc\uac04\" \/>\n\t<meta name=\"twitter:data2\" content=\"4\ubd84\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"http:\\\/\\\/waurimal.kr\\\/?p=583#article\",\"isPartOf\":{\"@id\":\"http:\\\/\\\/waurimal.kr\\\/?p=583\"},\"author\":{\"name\":\"admin\",\"@id\":\"https:\\\/\\\/waurimal.kr\\\/#\\\/schema\\\/person\\\/e761145380f742e758f3c58f1607b704\"},\"headline\":\"Chap 14. \ud655\uc778\uc801 \uc694\uc778\ubd84\uc11d(CFA)\",\"datePublished\":\"2025-12-29T05:59:59+00:00\",\"mainEntityOfPage\":{\"@id\":\"http:\\\/\\\/waurimal.kr\\\/?p=583\"},\"wordCount\":153,\"keywords\":[\"CFA\",\"jamovi\",\"SEM\",\"\uad6c\uc870\ubc29\uc815\uc2dd\",\"\ud655\uc778\uc801\uc694\uc778\ubd84\uc11d\"],\"articleSection\":[\"\uad6c\uc870\ubc29\uc815\uc2dd\"],\"inLanguage\":\"ko-KR\"},{\"@type\":\"WebPage\",\"@id\":\"http:\\\/\\\/waurimal.kr\\\/?p=583\",\"url\":\"http:\\\/\\\/waurimal.kr\\\/?p=583\",\"name\":\"Chap 14. \ud655\uc778\uc801 \uc694\uc778\ubd84\uc11d(CFA) - WaurimaL\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/waurimal.kr\\\/#website\"},\"datePublished\":\"2025-12-29T05:59:59+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/waurimal.kr\\\/#\\\/schema\\\/person\\\/e761145380f742e758f3c58f1607b704\"},\"breadcrumb\":{\"@id\":\"http:\\\/\\\/waurimal.kr\\\/?p=583#breadcrumb\"},\"inLanguage\":\"ko-KR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"http:\\\/\\\/waurimal.kr\\\/?p=583\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"http:\\\/\\\/waurimal.kr\\\/?p=583#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/waurimal.kr\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Chap 14. \ud655\uc778\uc801 \uc694\uc778\ubd84\uc11d(CFA)\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/waurimal.kr\\\/#website\",\"url\":\"https:\\\/\\\/waurimal.kr\\\/\",\"name\":\"WaurimaL\",\"description\":\"Educational Measurement &amp; 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