{"id":752,"date":"2026-01-21T01:08:17","date_gmt":"2026-01-20T16:08:17","guid":{"rendered":"http:\/\/waurimal.kr\/?p=752"},"modified":"2026-01-21T01:08:18","modified_gmt":"2026-01-20T16:08:18","slug":"chap09-%ec%a2%85%eb%8b%a8-%ec%9e%90%eb%a3%8c-%eb%aa%a8%eb%8d%b8%eb%a7%81","status":"publish","type":"post","link":"http:\/\/waurimal.kr\/?p=752","title":{"rendered":"Chap09. \uc885\ub2e8 \uc790\ub8cc \ubaa8\ub378\ub9c1"},"content":{"rendered":"\n<p>\uc548\ub155\ud558\uc138\uc694!<\/p>\n\n\n\n<p>\uc624\ub298\uc740 <strong>\uc885\ub2e8 \uc790\ub8cc \ubaa8\ub378\ub9c1(Longitudinal Data Modeling)<\/strong>\uc5d0 \ub300\ud574 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \u201c\ud559\uad50 \ud604\uc7a5\uc758 \ub370\uc774\ud130\u201d\ub97c \uc608\uc2dc\ub85c \ub4e4\uc5b4 \uc9c1\uad00\uc801\uc778 \uc124\uba85\uacfc \uc218\ub9ac\uc801 \uc5c4\ubc00\ud568\uc744 \ubaa8\ub450 \uac16\ucd98 \ud615\ud0dc\ub85c \uc7ac\uad6c\uc131\ud574 \ub4dc\ub9ac\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\ubd84\uc11d \ub3c4\uad6c\ub85c\ub294 jamovi\uc758 \uc0ac\uc6a9\ubc95\uc744 \uc124\uba85\ud558\ub418, jamovi\uc758 \uae30\ubc18\uc774 \ub418\ub294 R \ucf54\ub4dc\ub97c \ud568\uaed8 \uc81c\uc2dc\ud558\uc5ec \ubaa8\uc758 \ub370\uc774\ud130 \uc0dd\uc131\ubd80\ud130 \ubd84\uc11d, \uc2dc\uac01\ud654\uae4c\uc9c0 \uc644\ubcbd\ud558\uac8c \uad6c\ud604\ud574 \ub4dc\ub9ac\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. \ub4e4\uc5b4\uac00\uba70: \uc2a4\ub0c5\uc0f7\uc774 \uc544\ub2cc \uc601\ud654\ucc98\ub7fc<\/h2>\n\n\n\n<p>\uc6b0\ub9ac\uac00 \ud754\ud788 \uc811\ud558\ub294 \uc5f0\uad6c\ub294 \ud2b9\uc815 \uc2dc\uc810\uc5d0 \ud559\uc0dd\ub4e4\uc758 \uc131\uc801\uc744 \uc870\uc0ac\ud558\ub294 <strong>\ud6a1\ub2e8 \uc5f0\uad6c(Cross-sectional Study)<\/strong>\uac00 \ub9ce\uc2b5\ub2c8\ub2e4. \uc774\uac74 \ub9c8\uce58 \ud559\uc0dd\ub4e4\uc758 \ub2ec\ub9ac\uae30 \uc2dc\ud569 \uc911 \ud55c \uc21c\uac04\uc744 \ucc0d\uc740 &#8216;\uc0ac\uc9c4&#8217;\uacfc \uac19\uc2b5\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \uad50\uc721\uc740 \ubcc0\ud654\uc758 \uacfc\uc815\uc785\ub2c8\ub2e4. \uc6b0\ub9ac\uac00 \uc815\ub9d0 \uc54c\uace0 \uc2f6\uc740 \uac74 &#8220;\ucca0\uc218\uac00 \uc9c0\ub09c \ud559\uae30\ubcf4\ub2e4 \uc5bc\ub9c8\ub098 \uc131\uc7a5\ud588\ub294\uac00?&#8221; \ud639\uc740 &#8220;\uc0c8\ub85c\uc6b4 \ub3c5\uc11c \ud504\ub85c\uadf8\ub7a8\uc774 \uc2dc\uac04\uc774 \uc9c0\ub0a0\uc218\ub85d \ud6a8\uacfc\uac00 \ucee4\uc9c0\ub294\uac00?&#8221;\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uc774\ucc98\ub7fc <strong>\ud55c \uac1c\uc778(subject)\uc5d0 \ub300\ud574 \uc2dc\uac04\uc744 \ub450\uace0 \ubc18\ubcf5\uc801\uc73c\ub85c \uce21\uc815\ud55c \ub370\uc774\ud130<\/strong>\ub97c <strong>\uc885\ub2e8 \uc790\ub8cc(Longitudinal Data)<\/strong>\ub77c\uace0 \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uc65c \ub2e4\uce35\ubaa8\ud615\uc778\uac00\uc694?<\/h3>\n\n\n\n<p>\uc885\ub2e8 \uc790\ub8cc\ub294 <strong>2\uc218\uc900 \ub2e4\uce35 \uad6c\uc870<\/strong>\uc758 \ud2b9\uc218\ud55c \ud615\ud0dc\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>1\uc218\uc900 (Level 1):<\/strong> \uc2dc\uac04(Time) \ud639\uc740 \uce21\uc815 \uc2dc\uc810 (\uc608: 1\ud559\uae30, 2\ud559\uae30, 3\ud559\uae30&#8230;)<\/li>\n\n\n\n<li><strong>2\uc218\uc900 (Level 2):<\/strong> \uac1c\uc778 (Subject, \uc608: \ud559\uc0dd)<\/li>\n<\/ul>\n\n\n\n<p>\uc77c\ubc18\uc801\uc778 \ud68c\uadc0\ubd84\uc11d\uc744 \uc4f0\uba74 \uc548 \ub418\ub098\uc694? \uc548 \ub429\ub2c8\ub2e4. \ud55c \ud559\uc0dd\uc774 \uc5ec\ub7ec \ubc88 \uc2dc\ud5d8\uc744 \ubd24\ub2e4\uba74, \uadf8 \uc810\uc218\ub4e4\ub07c\ub9ac\ub294 \uc11c\ub85c \uad00\ub828(\uc0c1\uad00)\uc774 \uc788\uaca0\uc8e0? &#8220;\ub0b4 \uc810\uc218\ub294 \uc11c\ub85c \ub3c5\ub9bd\uc801\uc774\uc9c0 \uc54a\ub2e4&#8221;\ub294 \uc0ac\uc2e4 \ub54c\ubb38\uc5d0 \uc77c\ubc18 \ud68c\uadc0\ubd84\uc11d\uc758 \uac00\uc815(\ub3c5\ub9bd\uc131)\uc774 \uc704\ubc30\ub429\ub2c8\ub2e4. \uadf8\ub798\uc11c \uc6b0\ub9ac\ub294 \ub2e4\uce35\ubaa8\ud615\uc744 \uc0ac\uc6a9\ud574\uc57c \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\">2. \uc2dc\ub098\ub9ac\uc624 \ubc0f \ub370\uc774\ud130 \uc0dd\uc131: &#8220;\ub3c5\uc11c \uc790\uc2e0\uac10 \ud504\ub85c\uc81d\ud2b8&#8221;<\/h2>\n\n\n\n<p>\uc774\ub860\ub9cc \ubcf4\uba74 \uc9c0\ub8e8\ud558\ub2c8 \uac00\uc0c1\uc758 \ud559\uad50 \ub370\uc774\ud130\ub97c \ub9cc\ub4e4\uc5b4\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>[\uc2dc\ub098\ub9ac\uc624]<\/p>\n\n\n\n<p>A \ucd08\ub4f1\ud559\uad50\uc5d0\uc11c\ub294 200\uba85\uc758 \ud559\uc0dd\uc744 \ub300\uc0c1\uc73c\ub85c <strong>&#8216;\ub3c5\uc11c \ud6a8\ub2a5\uac10(Reading Self-Efficacy)&#8217;<\/strong>\uc774 4\ud559\uae30 \ub3d9\uc548 \uc5b4\ub5bb\uac8c \ubcc0\ud558\ub294\uc9c0 \ucd94\uc801\ud588\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Time (\uc2dc\uac04):<\/strong> 0(\uc0ac\uc804), 1(1\ud559\uae30 \ud6c4), 2(2\ud559\uae30 \ud6c4), 3(3\ud559\uae30 \ud6c4)<\/li>\n\n\n\n<li><strong>Group (\uc9d1\ub2e8):<\/strong> \uc2e4\ud5d8\uad70(\uc0c8\ub85c\uc6b4 \ub3c5\uc11c \ud504\ub85c\uadf8\ub7a8), \ub300\uc870\uad70(\uae30\uc874 \uc218\uc5c5)<\/li>\n\n\n\n<li><strong>Outcome (\uc885\uc18d\ubcc0\uc218):<\/strong> \ub3c5\uc11c \ud6a8\ub2a5\uac10 \uc810\uc218 (0~100\uc810)<\/li>\n<\/ul>\n<\/blockquote>\n\n\n\n<p>\uc774\uc81c R\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc774 \uc2dc\ub098\ub9ac\uc624\uc5d0 \ub9de\ub294 \ub370\uc774\ud130\ub97c \uc0dd\uc131\ud558\uaca0\uc2b5\ub2c8\ub2e4. (jamovi\uc758 <code>R Editor<\/code> \ubaa8\ub4c8\uc774\ub098 RStudio\uc5d0\uc11c \uc2e4\ud589 \uac00\ub2a5\ud569\ub2c8\ub2e4.)<\/p>\n\n\n\n<p>R<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># \ub370\uc774\ud130 \uc0dd\uc131 R \ucf54\ub4dc\nset.seed(1234)\nlibrary(MASS)\nlibrary(lme4)\nlibrary(ggplot2)\n\n# 1. \uae30\ubcf8 \uc124\uc815\nn_subjects &lt;- 200\nn_timepoints &lt;- 4\ntime &lt;- 0:3\n\n# 2. 2\uc218\uc900(\ud559\uc0dd) \ubcc0\uc218 \uc0dd\uc131\nids &lt;- 1:n_subjects\ngroup &lt;- sample(c(\"Control\", \"Treatment\"), n_subjects, replace = TRUE)\n# \uc2e4\ud5d8\uad70\uc740 \ucd08\uae30\uce58\ub294 \ub0ae\uc73c\ub098 \uc131\uc7a5\ub960\uc774 \ub354 \uac00\ud30c\ub974\ub3c4\ub85d \uc124\uc815\nintercept_mean &lt;- ifelse(group == \"Treatment\", 40, 45) \nslope_mean &lt;- ifelse(group == \"Treatment\", 5, 2)\n\n# \ub79c\ub364 \ud6a8\uacfc (\uac1c\uc778\ubcc4 \ucc28\uc774): \uc808\ud3b8\uacfc \uae30\uc6b8\uae30\uc758 \uc0c1\uad00\uad00\uacc4 \uc124\uc815\n# \uc808\ud3b8 \ubd84\uc0b0=25, \uae30\uc6b8\uae30 \ubd84\uc0b0=4, \uc0c1\uad00\uacc4\uc218=0.3\nSigma &lt;- matrix(c(25, 3, 3, 4), 2, 2) \nrandom_effects &lt;- mvrnorm(n_subjects, mu = c(0, 0), Sigma = Sigma)\n\n# 3. \ub370\uc774\ud130 \ud504\ub808\uc784 \ub9cc\ub4e4\uae30\ndata_long &lt;- data.frame()\n\nfor(i in 1:n_subjects) {\n  # \uac1c\uc778\ubcc4 \uace0\uc720\ud55c \uc808\ud3b8\uacfc \uae30\uc6b8\uae30\n  b0i &lt;- intercept_mean&#91;i] + random_effects&#91;i, 1]\n  b1i &lt;- slope_mean&#91;i] + random_effects&#91;i, 2]\n  \n  # \uc624\ucc28\ud56d (1\uc218\uc900)\n  epsilon &lt;- rnorm(n_timepoints, mean = 0, sd = 3)\n  \n  # \uc885\uc18d\ubcc0\uc218 \uc0dd\uc131 (\uc120\ud615 \uc131\uc7a5 \ubaa8\ud615)\n  y &lt;- b0i + b1i * time + epsilon\n  \n  temp_df &lt;- data.frame(\n    ID = factor(i),\n    Time = time,\n    Group = factor(group&#91;i]),\n    Score = y\n  )\n  data_long &lt;- rbind(data_long, temp_df)\n}\n\n# CSV\ub85c \uc800\uc7a5 (jamovi\uc5d0\uc11c \ubd88\ub7ec\uc624\uae30 \uc704\ud568)\n# write.csv(data_long, \"reading_growth.csv\", row.names = FALSE)\n\n# \ub370\uc774\ud130 \ud655\uc778\nhead(data_long)\n\n# CSV\ub85c \uc800\uc7a5 (jamovi\uc5d0\uc11c \ubd88\ub7ec\uc624\uae30 \uc704\ud568)\nwrite.csv(data_long, \"chap09.csv\", row.names = FALSE)\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<div class=\"wp-block-file\"><a id=\"wp-block-file--media-d2ea35a2-8894-4450-a366-1100b0e96d40\" href=\"http:\/\/waurimal.kr\/wp-content\/uploads\/2026\/01\/chap09.csv\">chap09<\/a><a href=\"http:\/\/waurimal.kr\/wp-content\/uploads\/2026\/01\/chap09.csv\" class=\"wp-block-file__button wp-element-button\" download aria-describedby=\"wp-block-file--media-d2ea35a2-8894-4450-a366-1100b0e96d40\">\ub2e4\uc6b4\ub85c\ub4dc<\/a><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">3. \uc120\ud615 \ud63c\ud569 \ubaa8\ud615 (Linear Mixed Model) \ubd84\uc11d<\/h2>\n\n\n\n<p>\uad50\uc7ac\uc5d0\uc11c\ub294 \uc77c\ubc18\uc801\uc778 \ub2e4\uce35\ubaa8\ud615 \ud45c\uae30(<math data-latex=\"j\"><semantics><mi>j<\/mi><annotation encoding=\"application\/x-tex\">j<\/annotation><\/semantics><\/math>\uac00 \uc0c1\uc704 \uc218\uc900)\uc640 \ub2ec\ub9ac, \uc885\ub2e8 \uc790\ub8cc\uc5d0\uc11c\ub294 \uad00\uc2b5\uc801\uc73c\ub85c <strong><math data-latex=\"i\"><semantics><mi>i<\/mi><annotation encoding=\"application\/x-tex\">i<\/annotation><\/semantics><\/math>\ub97c \uac1c\uc778(2\uc218\uc900), <\/strong><math data-latex=\"t\"><semantics><mi>t<\/mi><annotation encoding=\"application\/x-tex\">t<\/annotation><\/semantics><\/math><strong>\ub97c \uc2dc\uac04(1\uc218\uc900)<\/strong>\uc73c\ub85c \ud45c\uae30\ud55c\ub2e4\uace0 \uac15\uc870\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uae30\ubcf8 \uc2dd\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<p><math data-latex=\"y_{it} = x'_{it}\\beta + z'_{it}u_i + \\epsilon_{it}\"><semantics><mrow><msub><mi>y<\/mi><mrow><mi>i<\/mi><mi>t<\/mi><\/mrow><\/msub><mo>=<\/mo><msubsup><mi>x<\/mi><mrow><mi>i<\/mi><mi>t<\/mi><\/mrow><mo lspace=\"0em\" rspace=\"0em\" class=\"tml-prime\">\u2032<\/mo><\/msubsup><mi>\u03b2<\/mi><mo>+<\/mo><msubsup><mi>z<\/mi><mrow><mi>i<\/mi><mi>t<\/mi><\/mrow><mo lspace=\"0em\" rspace=\"0em\" class=\"tml-prime\">\u2032<\/mo><\/msubsup><msub><mi>u<\/mi><mi>i<\/mi><\/msub><mo>+<\/mo><msub><mi>\u03f5<\/mi><mrow><mi>i<\/mi><mi>t<\/mi><\/mrow><\/msub><\/mrow><annotation encoding=\"application\/x-tex\">y_{it} = x&#8217;_{it}\\beta + z&#8217;_{it}u_i + \\epsilon_{it}<\/annotation><\/semantics><\/math><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><math data-latex=\"x'_{it}\\beta\"><semantics><mrow><msubsup><mi>x<\/mi><mrow><mi>i<\/mi><mi>t<\/mi><\/mrow><mo lspace=\"0em\" rspace=\"0em\" class=\"tml-prime\">\u2032<\/mo><\/msubsup><mi>\u03b2<\/mi><\/mrow><annotation encoding=\"application\/x-tex\">x&#8217;_{it}\\beta<\/annotation><\/semantics><\/math>: \uace0\uc815 \ud6a8\uacfc (Fixed Effects) &#8211; \uc804\uccb4 \ud3c9\uade0\uc801\uc778 \ubcc0\ud654 \ud328\ud134<\/li>\n\n\n\n<li><math data-latex=\"z'_{it}u_i\"><semantics><mrow><msubsup><mi>z<\/mi><mrow><mi>i<\/mi><mi>t<\/mi><\/mrow><mo lspace=\"0em\" rspace=\"0em\" class=\"tml-prime\">\u2032<\/mo><\/msubsup><msub><mi>u<\/mi><mi>i<\/mi><\/msub><\/mrow><annotation encoding=\"application\/x-tex\">z&#8217;_{it}u_i<\/annotation><\/semantics><\/math>: \ub79c\ub364 \ud6a8\uacfc (Random Effects) &#8211; \uac1c\uc778\ubcc4 \ud3b8\ucc28<\/li>\n\n\n\n<li><math data-latex=\"\\epsilon_{it}\"><semantics><msub><mi>\u03f5<\/mi><mrow><mi>i<\/mi><mi>t<\/mi><\/mrow><\/msub><annotation encoding=\"application\/x-tex\">\\epsilon_{it}<\/annotation><\/semantics><\/math>: \uc794\ucc28 (Residuals) &#8211; \uce21\uc815 \uc624\ucc28<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\ubd84\uc11d \ub2e8\uacc4 (jamovi &amp; R)<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">1\ub2e8\uacc4: \uc2dc\uac01\ud654 (\uc2a4\ud30c\uac8c\ud2f0 \ud50c\ub86f)<\/h4>\n\n\n\n<p>\ub370\uc774\ud130\ub97c \ubc1b\uc73c\uba74 \uac00\uc7a5 \uba3c\uc800 \uadf8\ub824\ubd10\uc57c \ud569\ub2c8\ub2e4. \ud559\uc0dd \uac1c\uac1c\uc778\uc758 \uc131\uc7a5 \uace1\uc120\uc774 \uc5b4\ub5bb\uac8c \uc0dd\uacbc\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p>R<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># \uc2a4\ud30c\uac8c\ud2f0 \ud50c\ub86f \uc0dd\uc131\nggplot(data_long, aes(x = Time, y = Score, group = ID, color = Group)) +\n  geom_line(alpha = 0.3) +\n  stat_summary(aes(group = Group, color = Group), fun = mean, geom = \"line\", size = 1.5) +\n  theme_minimal() +\n  labs(title = \"\ud559\uc0dd\ubcc4 \ub3c5\uc11c \ud6a8\ub2a5\uac10 \ubcc0\ud654 \uace1\uc120\")\n<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"821\" height=\"765\" src=\"http:\/\/waurimal.kr\/wp-content\/uploads\/2026\/01\/FIG09-1.png\" alt=\"\" class=\"wp-image-754\" srcset=\"http:\/\/waurimal.kr\/wp-content\/uploads\/2026\/01\/FIG09-1.png 821w, http:\/\/waurimal.kr\/wp-content\/uploads\/2026\/01\/FIG09-1-300x280.png 300w, http:\/\/waurimal.kr\/wp-content\/uploads\/2026\/01\/FIG09-1-768x716.png 768w, http:\/\/waurimal.kr\/wp-content\/uploads\/2026\/01\/FIG09-1-624x581.png 624w\" sizes=\"auto, (max-width: 821px) 100vw, 821px\" \/><\/figure>\n\n\n\n<p><em>\ud574\uc11d:<\/em> \uc587\uc740 \uc120\ub4e4\uc740 \ud559\uc0dd \uac1c\uac1c\uc778\uc774\uace0, \uad75\uc740 \uc120\uc740 \uc9d1\ub2e8\ubcc4 \ud3c9\uade0\uc785\ub2c8\ub2e4. \uc2e4\ud5d8\uad70(Treatment)\uc774 \ucd08\uae30\uc5d0\ub294 \ub0ae\uc9c0\ub9cc \uc2dc\uac04\uc774 \uc9c0\ub0a0\uc218\ub85d \ube60\ub974\uac8c \uc131\uc7a5\ud558\ub294 \ud328\ud134\uc774 \ubcf4\uc774\ub098\uc694?<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">2\ub2e8\uacc4: \ube44\uc870\uac74\ubd80 \uc131\uc7a5 \ubaa8\ud615 (Unconditional Growth Model)<\/h4>\n\n\n\n<p>\uc2dc\uac04\uc5d0 \ub530\ub978 \ubcc0\ud654\uac00 \uc120\ud615(\uc9c1\uc120)\uc778\uc9c0 \ud655\uc778\ud558\uace0, \uac1c\uc778\ubcc4 \uc131\uc7a5 \uc18d\ub3c4\uc5d0 \ucc28\uc774\uac00 \uc788\ub294\uc9c0 \uac80\uc99d\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>jamovi \uc808\ucc28:<\/strong>\n<ol start=\"1\" class=\"wp-block-list\">\n<li><code>Analyses<\/code> > <code>Linear Models<\/code> > <code>Linear Mixed Model<\/code> \uc120\ud0dd<\/li>\n\n\n\n<li><strong>Dependent Variable:<\/strong> <code>Score<\/code><\/li>\n\n\n\n<li><strong>Cluster:<\/strong> <code>ID<\/code> (2\uc218\uc900 \ub2e8\uc704)<\/li>\n\n\n\n<li><strong>Covariates:<\/strong> <code>Time<\/code><\/li>\n\n\n\n<li><strong>Fixed Effects:<\/strong> <code>Time<\/code> (\uc804\uccb4 \ud3c9\uade0 \uae30\uc6b8\uae30 \ud655\uc778)<\/li>\n\n\n\n<li><strong>Random Effects:<\/strong>\n<ul class=\"wp-block-list\">\n<li><code>Intercept | ID<\/code>: \ucd08\uae30\uce58(\ucd9c\ubc1c\uc810)\uac00 \ud559\uc0dd\ub9c8\ub2e4 \ub2e4\ub978\uac00?<\/li>\n\n\n\n<li><code>Time | ID<\/code>: \ubcc0\ud654\uc728(\uae30\uc6b8\uae30)\uc774 \ud559\uc0dd\ub9c8\ub2e4 \ub2e4\ub978\uac00?<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<\/li>\n<\/ul>\n\n\n\n<p>\uc774\ub54c \ub79c\ub364 \ud6a8\uacfc\uc758 \ubd84\uc0b0-\uacf5\ubd84\uc0b0 \ud589\ub82c <math data-latex=\"\\Omega\"><semantics><mrow><mi mathvariant=\"normal\">\u03a9<\/mi><\/mrow><annotation encoding=\"application\/x-tex\">\\Omega<\/annotation><\/semantics><\/math>\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \uc124\uc815\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p><math data-latex=\"\\Omega = \\begin{pmatrix} \\sigma_{u0}^2 &amp; \\sigma_{u01} \\\\ \\sigma_{u01} &amp; \\sigma_{u1}^2 \\end{pmatrix}\"><semantics><mrow><mrow><mi mathvariant=\"normal\">\u03a9<\/mi><\/mrow><mo>=<\/mo><mrow><mo fence=\"true\" form=\"prefix\">(<\/mo><mtable columnalign=\"center center\"><mtr><mtd style=\"padding-left:0em;\"><msubsup><mi>\u03c3<\/mi><mrow><mi>u<\/mi><mn>0<\/mn><\/mrow><mn>2<\/mn><\/msubsup><\/mtd><mtd style=\"padding-right:0em;\"><msub><mi>\u03c3<\/mi><mrow><mi>u<\/mi><mn>01<\/mn><\/mrow><\/msub><\/mtd><\/mtr><mtr><mtd style=\"padding-left:0em;\"><msub><mi>\u03c3<\/mi><mrow><mi>u<\/mi><mn>01<\/mn><\/mrow><\/msub><\/mtd><mtd style=\"padding-right:0em;\"><msubsup><mi>\u03c3<\/mi><mrow><mi>u<\/mi><mn>1<\/mn><\/mrow><mn>2<\/mn><\/msubsup><\/mtd><\/mtr><\/mtable><mo fence=\"true\" form=\"postfix\">)<\/mo><\/mrow><\/mrow><annotation encoding=\"application\/x-tex\">\\Omega = \\begin{pmatrix} \\sigma_{u0}^2 &amp; \\sigma_{u01} \\\\ \\sigma_{u01} &amp; \\sigma_{u1}^2 \\end{pmatrix}<\/annotation><\/semantics><\/math><\/p>\n\n\n\n<p>\uc5ec\uae30\uc11c <math data-latex=\"\\sigma_{u1}^2\"><semantics><msubsup><mi>\u03c3<\/mi><mrow><mi>u<\/mi><mn>1<\/mn><\/mrow><mn>2<\/mn><\/msubsup><annotation encoding=\"application\/x-tex\">\\sigma_{u1}^2<\/annotation><\/semantics><\/math> (\uae30\uc6b8\uae30\uc758 \ubd84\uc0b0)\uc774 \uc720\uc758\ud558\ub2e4\ub294 \uac83\uc740 <strong>&#8220;\ud559\uc0dd\ub9c8\ub2e4 \uc131\uc7a5 \uc18d\ub3c4\uac00 \ub2e4\ub974\ub2e4&#8221;<\/strong>\ub294 \ub73b\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">3\ub2e8\uacc4: \uc870\uac74\ubd80 \uc131\uc7a5 \ubaa8\ud615 (Conditional Growth Model)<\/h4>\n\n\n\n<p>\uc774\uc81c &#8220;\uc65c \uc131\uc7a5 \uc18d\ub3c4\uac00 \ub2e4\ub97c\uae4c?&#8221;\ub97c \uc124\uba85\ud558\uae30 \uc704\ud574 \uc124\uba85\ubcc0\uc218(<code>Group<\/code>)\ub97c \ud22c\uc785\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>jamovi \uc808\ucc28:<\/strong>\n<ul class=\"wp-block-list\">\n<li>\uc704 \uc124\uc815\uc5d0\uc11c <strong>Factors<\/strong>\uc5d0 <code>Group<\/code>\uc744 \ucd94\uac00\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>Fixed Effects<\/strong>\uc5d0 <code>Group<\/code>, <code>Time<\/code>, \uadf8\ub9ac\uace0 <code>Group * Time<\/code> (\uc0c1\ud638\uc791\uc6a9\ud56d)\uc744 \ub123\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\uacb0\uacfc \ud574\uc11d\uc758 \ud575\uc2ec (\uad50\uc7ac \uae30\ubc18):\n<ul class=\"wp-block-list\">\n<li><code>Time<\/code> \ud6a8\uacfc: \ub300\uc870\uad70\uc758 \ud3c9\uade0 \uc131\uc7a5\ub960.<\/li>\n\n\n\n<li><code>Group * Time<\/code> \ud6a8\uacfc: <strong>\uac00\uc7a5 \uc911\uc694!<\/strong> \uc2e4\ud5d8\uad70\uc774 \ub300\uc870\uad70\ubcf4\ub2e4 \uc2dc\uac04\uc774 \uc9c0\ub0a0\uc218\ub85d \uc5bc\ub9c8\ub098 \ub354(\ub610\ub294 \ub35c) \uc131\uc7a5\ud558\ub294\uc9c0\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc774 \uac12\uc774 \uc720\uc758\ud558\uba74 &#8220;\ud504\ub85c\uadf8\ub7a8\uc758 \ud6a8\uacfc\uac00 \uc788\ub2e4&#8221;\uace0 \ub9d0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">4. \uc774\uc0b0\ud615 \uc885\ub2e8 \uc790\ub8cc (Discrete Longitudinal Data)<\/h2>\n\n\n\n<p>\ub9cc\uc57d \uc885\uc18d\ubcc0\uc218\uac00 \uc810\uc218(\uc5f0\uc18d\ud615)\uac00 \uc544\ub2c8\ub77c, <strong>&#8220;\ub3c5\uc11c \uc2b5\uad00 \ud615\uc131 \uc5ec\ubd80 (\uc131\uacf5=1, \uc2e4\ud328=0)&#8221;<\/strong>\uc640 \uac19\uc740 \uc774\ud56d(Binary) \ubcc0\uc218\ub77c\uba74 \uc5b4\ub5bb\uac8c \ud574\uc57c \ud560\uae4c\uc694? \uc77c\ubc18\uc801\uc73c\ub85c \ub450 \uac00\uc9c0 \uc811\uadfc\ubc95\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4.1. \uc8fc\ubcc0 \ubaa8\ud615 (Marginal Models) &#8211; GEE<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uac1c\ub150:<\/strong> \uac1c\uc778\ubcc4 \ubcc0\ud654\ubcf4\ub2e4\ub294 <strong>&#8220;\uc804\uccb4 \uc9d1\ub2e8\uc758 \ud3c9\uade0\uc801\uc778 \ubcc0\ud654&#8221;<\/strong>\uc5d0 \uad00\uc2ec\uc774 \uc788\uc744 \ub54c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ud574\uc11d:<\/strong> &#8220;\uc6b0\ub9ac \ud559\uad50 \uc804\uccb4 \ud559\uc0dd\ub4e4\uc758 \ub3c5\uc11c \uc2b5\uad00 \uc131\uacf5\ub960\uc774 \uc2dc\uac04\uc774 \uc9c0\ub0a8\uc5d0 \ub530\ub77c \uc99d\uac00\ud588\ub294\uac00?&#8221; (Population-averaged interpretation).<\/li>\n\n\n\n<li><strong>\ubc29\ubc95:<\/strong> GEE (Generalized Estimating Equations)\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \ub370\uc774\ud130\uc758 \ubd84\ud3ec \uac00\uc815\uc744 \uc5c4\uaca9\ud558\uac8c \ud558\uc9c0 \uc54a\uc544\ub3c4 \ub418\uc5b4 \uac15\uac74(Robust)\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>Jamovi \uad6c\ud604:<\/strong> Jamovi\uc758 \uae30\ubcf8 \uba54\ub274\uc5d0\ub294 \uc5c6\uc73c\ub098, <code>GAMLj<\/code> \ubaa8\ub4c8\uc744 \uc124\uce58\ud558\uba74 GEE\uc640 \uc720\uc0ac\ud55c GLM \ubd84\uc11d\uc774 \uac00\ub2a5\ud558\uba70, R\uc758 <code>geepack<\/code> \ud328\ud0a4\uc9c0\ub97c \uc0ac\uc6a9\ud558\ub294 \uac83\uc774 \uac00\uc7a5 \uc815\ud655\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">4.2. \uc77c\ubc18\ud654 \uc120\ud615 \ud63c\ud569 \ubaa8\ud615 (GLMM)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uac1c\ub150:<\/strong> <strong>&#8220;\uac1c\ubcc4 \ud559\uc0dd\uc758 \ubcc0\ud654&#8221;<\/strong>\uc640 \uadf8 \uc548\uc5d0\uc11c\uc758 \uad00\uacc4\ub97c \ubaa8\ub378\ub9c1\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ud574\uc11d:<\/strong> &#8220;\ucca0\uc218\ub77c\ub294 \ud559\uc0dd\uc774 \uc774 \ud504\ub85c\uadf8\ub7a8\uc744 \ub4e4\uc5c8\uc744 \ub54c \uc131\uacf5\ud560 \ud655\ub960\uc774 \uc5b4\ub5bb\uac8c \ubcc0\ud558\ub294\uac00?&#8221; (Subject-specific interpretation).<\/li>\n\n\n\n<li>\uc218\uc2dd: \uc5f0\uacb0 \ud568\uc218(Link function, \uc608: \ub85c\uc9d3)\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc120\ud615 \uacb0\ud569\uc744 \ubcc0\ud658\ud569\ub2c8\ub2e4.<br><math data-latex=\"\\text{logit}(P(y_{it}=1|u_i)) = x'_{it}\\beta + z'_{it}u_i\"><semantics><mrow><mtext>logit<\/mtext><mo form=\"prefix\" stretchy=\"false\">(<\/mo><mi>P<\/mi><mo form=\"prefix\" stretchy=\"false\">(<\/mo><msub><mi>y<\/mi><mrow><mi>i<\/mi><mi>t<\/mi><\/mrow><\/msub><mo>=<\/mo><mn>1<\/mn><mi>|<\/mi><msub><mi>u<\/mi><mi>i<\/mi><\/msub><mo form=\"postfix\" stretchy=\"false\">)<\/mo><mo form=\"postfix\" stretchy=\"false\">)<\/mo><mo>=<\/mo><msubsup><mi>x<\/mi><mrow><mi>i<\/mi><mi>t<\/mi><\/mrow><mo lspace=\"0em\" rspace=\"0em\" class=\"tml-prime\">\u2032<\/mo><\/msubsup><mi>\u03b2<\/mi><mo>+<\/mo><msubsup><mi>z<\/mi><mrow><mi>i<\/mi><mi>t<\/mi><\/mrow><mo lspace=\"0em\" rspace=\"0em\" class=\"tml-prime\">\u2032<\/mo><\/msubsup><msub><mi>u<\/mi><mi>i<\/mi><\/msub><\/mrow><annotation encoding=\"application\/x-tex\">\\text{logit}(P(y_{it}=1|u_i)) = x&#8217;_{it}\\beta + z&#8217;_{it}u_i<\/annotation><\/semantics><\/math><\/li>\n\n\n\n<li><strong>Jamovi \uad6c\ud604:<\/strong>\n<ol start=\"1\" class=\"wp-block-list\">\n<li><code>Linear Models<\/code> > <code>Generalized Mixed Models<\/code> \uc120\ud0dd<\/li>\n\n\n\n<li><strong>Dependent Variable:<\/strong> \uc131\uacf5 \uc5ec\ubd80 (0, 1)<\/li>\n\n\n\n<li><strong>Distribution:<\/strong> Binomial<\/li>\n\n\n\n<li><strong>Link:<\/strong> Logit<\/li>\n\n\n\n<li>\ub098\uba38\uc9c0 \uc124\uc815\uc740 LMM\uacfc \ub3d9\uc77c.<\/li>\n<\/ol>\n<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>[WaurimaL\uc758 \ud301]<\/p>\n\n\n\n<p>\uad50\uc721 \ud604\uc7a5 \uc5f0\uad6c\uc5d0\uc11c\ub294 \ubcf4\ud1b5 GLMM\uc744 \ub354 \uc120\ud638\ud569\ub2c8\ub2e4. \uc6b0\ub9ac\ub294 \ud559\uc0dd \uac1c\uac1c\uc778\uc758 \ud2b9\uc131\uacfc \uc131\uc7a5\uc5d0 \uad00\uc2ec\uc774 \ub9ce\uc73c\ub2c8\uae4c\uc694. \ud558\uc9c0\ub9cc \uc815\ucc45 \uc785\uc548\uc790\uc5d0\uac8c \ubcf4\uace0\uc11c\ub97c \uc4f8 \ub54c\ub294 Marginal Model\uc758 \uacb0\uacfc\uac00 \ub354 \uc9c1\uad00\uc801\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">5. \uacb0\uce21\uce58 (Missing Data): \ud53c\ud560 \uc218 \uc5c6\ub294 \uace8\uce6b\uac70\ub9ac<\/h2>\n\n\n\n<p>\uc885\ub2e8 \uc5f0\uad6c\uc758 \uc219\uba85\uc740 &#8220;\ud559\uc0dd\uc774 \uc804\ud559 \uac00\uac70\ub098 \uc544\ud30c\uc11c \uac80\uc0ac\ub97c \ubabb \ubc1b\ub294 \uacbd\uc6b0&#8221;\uc785\ub2c8\ub2e4. \uc774\ub97c <strong>\ubd88\uc644\uc804 \uc790\ub8cc(Incomplete Data)<\/strong>\ub77c\uace0 \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uacb0\uce21 \uba54\ucee4\ub2c8\uc998 3\uac00\uc9c0<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>MCAR (\uc644\uc804 \ubb34\uc791\uc704):<\/strong> \uc120\uc0dd\ub2d8\uc774 \uc2e4\uc218\ub85c \uc2dc\ud5d8\uc9c0\ub97c \uc783\uc5b4\ubc84\ub9bc. \ub370\uc774\ud130 \ubd84\uc11d\uc5d0 \ud070 \ubb38\uc81c \uc5c6\uc74c.<\/li>\n\n\n\n<li><strong>MAR (\ubb34\uc791\uc704):<\/strong> \uc9c0\ub09c \uc2dc\ud5d8 \uc810\uc218\uac00 \ub0ae\uc740 \ud559\uc0dd\ub4e4\uc774 \uc774\ubc88 \uc2dc\ud5d8\uc5d0 \uacb0\uc11d\ud568. (\uad00\uce21\ub41c \ub370\uc774\ud130\ub85c \uc124\uba85 \uac00\ub2a5). \ub2e4\uce35\ubaa8\ud615(Likelihood-based)\uc740 \uc774\ub97c \uc5b4\ub290 \uc815\ub3c4 \ubcf4\uc815\ud574 \uc90d\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>NMAR (\ube44\ubb34\uc791\uc704):<\/strong> \uacf5\ubd80\ub97c \uc548 \ud574\uc11c(\uce21\uc815\ud558\uc9c0 \ubabb\ud55c \uac12 \ub54c\ubb38\uc5d0) \uc2dc\ud5d8\uc744 \uc548 \ubd04. <strong>\uac00\uc7a5 \uc704\ud5d8\ud568.<\/strong> \ubd84\uc11d \uacb0\uacfc\uac00 \ud3b8\ud5a5(Bias)\ub420 \uc218 \uc788\uc74c.<\/li>\n<\/ol>\n\n\n\n<p><strong>\ub300\ucc98\ubc95:<\/strong> \ub2e4\uce35\ubaa8\ud615\uc740 \uae30\ubcf8\uc801\uc73c\ub85c MAR \uac00\uc815\ud558\uc5d0 \ubd84\uc11d\uc744 \uc218\ud589\ud558\ubbc0\ub85c, \ub2e8\uc21c \ubc18\ubcf5\uce21\uc815 \ubd84\uc0b0\ubd84\uc11d(RM-ANOVA)\ubcf4\ub2e4 \uacb0\uce21\uce58 \ucc98\ub9ac\uc5d0 \ud6e8\uc52c \uac15\ub825\ud569\ub2c8\ub2e4. jamovi\ub294 \uacb0\uce21\uce58\uac00 \uc788\ub294 \ud589\uc744 \ubb34\uc870\uac74 \uc0ad\uc81c\ud558\uc9c0 \uc54a\uace0, \uac00\ub2a5\ud55c \uc815\ubcf4\ub97c \ucd5c\ub300\ud55c \ud65c\uc6a9\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\">6. \ub098\uac00\uba70: \uc815\ub9ac \ubc0f \ub2e4\uc74c \ub2e8\uacc4<\/h2>\n\n\n\n<p>\uc624\ub298 \uc6b0\ub9ac\ub294 \uc2dc\uac04\uc744 \ud488\uc740 \ub370\uc774\ud130, \uc885\ub2e8 \uc790\ub8cc\ub97c \ub2e4\uce35\ubaa8\ud615\uc73c\ub85c \ubd84\uc11d\ud558\ub294 \ubc95\uc744 \ubc30\uc6e0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc885\ub2e8 \uc790\ub8cc\ub294 <strong>\uc2dc\uac04(1\uc218\uc900)\uc774 \uac1c\uc778(2\uc218\uc900)\uc5d0 \ub0b4\uc7ac\ub41c<\/strong> \uad6c\uc870\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>LMM<\/strong>\uc744 \ud1b5\ud574 \uac1c\uc778\ubcc4 \ucd08\uae30\uce58\uc640 \uc131\uc7a5 \uc18d\ub3c4\uc758 \ucc28\uc774\ub97c \ucd94\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc885\uc18d\ubcc0\uc218\uac00 \ubc94\uc8fc\ud615\uc77c \ub54c\ub294 <strong>GLMM<\/strong>\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\ub2e4\uce35\ubaa8\ud615\uc740 <strong>\uacb0\uce21\uce58<\/strong>\uac00 \uc874\uc7ac\ud558\ub294 \uad50\uc721 \ud604\uc7a5 \ub370\uc774\ud130\uc5d0 \ub9e4\uc6b0 \uc720\uc6a9\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\ucc38\uace0\ubb38\ud5cc (References)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Fitzmaurice, G. M., Laird, N. M., &amp; Ware, J. H. (2011). <em>Applied longitudinal analysis<\/em> (2nd ed.). Wiley.<\/li>\n\n\n\n<li>Heck, R. H., Thomas, S. L., &amp; Tabata, L. N. (2013). <em>Multilevel and longitudinal modeling with IBM SPSS<\/em>. Routledge.<\/li>\n\n\n\n<li>Laird, N. M., &amp; Fitzmaurice, G. M. (2013). Longitudinal Data Modeling. In <em>The SAGE Handbook of Multilevel Modeling<\/em> (Chap. 9). SAGE Publications.<\/li>\n\n\n\n<li>Singer, J. D., &amp; Willett, J. B. (2003). <em>Applied longitudinal data analysis: Modeling change and event occurrence<\/em>. Oxford University Press.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\uc548\ub155\ud558\uc138\uc694! \uc624\ub298\uc740 \uc885\ub2e8 \uc790\ub8cc \ubaa8\ub378\ub9c1(Longitudinal Data Modeling)\uc5d0 \ub300\ud574 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \u201c\ud559\uad50 \ud604\uc7a5\uc758 \ub370\uc774\ud130\u201d\ub97c \uc608\uc2dc\ub85c \ub4e4\uc5b4 \uc9c1\uad00\uc801\uc778 \uc124\uba85\uacfc \uc218\ub9ac\uc801 \uc5c4\ubc00\ud568\uc744 \ubaa8\ub450 \uac16\ucd98 \ud615\ud0dc\ub85c \uc7ac\uad6c\uc131\ud574 \ub4dc\ub9ac\uaca0\uc2b5\ub2c8\ub2e4. \ubd84\uc11d \ub3c4\uad6c\ub85c\ub294 jamovi\uc758 \uc0ac\uc6a9\ubc95\uc744 \uc124\uba85\ud558\ub418, jamovi\uc758 \uae30\ubc18\uc774 \ub418\ub294 R \ucf54\ub4dc\ub97c \ud568\uaed8 \uc81c\uc2dc\ud558\uc5ec \ubaa8\uc758 \ub370\uc774\ud130 \uc0dd\uc131\ubd80\ud130 \ubd84\uc11d, \uc2dc\uac01\ud654\uae4c\uc9c0 \uc644\ubcbd\ud558\uac8c \uad6c\ud604\ud574 \ub4dc\ub9ac\uaca0\uc2b5\ub2c8\ub2e4. 1. \ub4e4\uc5b4\uac00\uba70: \uc2a4\ub0c5\uc0f7\uc774 \uc544\ub2cc \uc601\ud654\ucc98\ub7fc \uc6b0\ub9ac\uac00 \ud754\ud788 \uc811\ud558\ub294 \uc5f0\uad6c\ub294 \ud2b9\uc815 \uc2dc\uc810\uc5d0 \ud559\uc0dd\ub4e4\uc758 <a class=\"read-more\" href=\"http:\/\/waurimal.kr\/?p=752\">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":[399],"tags":[145,428,199,400,429,427],"class_list":["post-752","post","type-post","status-publish","format-standard","hentry","category-multilevel","tag-jamovi","tag-longitudinal","tag-r","tag-400","tag-429","tag-427"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - 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