{"id":8914,"date":"2025-10-28T16:19:20","date_gmt":"2025-10-28T16:19:20","guid":{"rendered":"https:\/\/pisa4u.gr\/visualization-of-pisa-results\/"},"modified":"2026-06-21T13:24:26","modified_gmt":"2026-06-21T13:24:26","slug":"visualization-of-pisa-results","status":"publish","type":"page","link":"https:\/\/pisa4u.gr\/en\/visualization-of-pisa-results\/","title":{"rendered":"Visualization of PISA Results"},"content":{"rendered":"\n<div class=\"wp-block-uagb-container uagb-block-d6924da0 alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<div class=\"wp-block-uagb-advanced-heading uagb-block-efa76908\"><h2 class=\"uagb-heading-text\">Visualization of PISA Results<\/h2><\/div>\n<\/div><\/div>\n\n<div class=\"wp-block-essential-blocks-wrapper alignfull  root-eb-wrapper-d6i73\"><div class=\"eb-parent-wrapper eb-parent-eb-wrapper-d6i73 \"><div class=\"eb-wrapper-outer eb-wrapper-d6i73\"><div class=\"eb-wrapper-inner\"><div class=\"eb-wrapper-inner-blocks eb-wrapper-align-center\">\n<div class=\"wp-block-essential-blocks-row alignfull root-eb-row-t5wxe\"><div class=\"eb-parent-wrapper eb-parent-eb-row-t5wxe \"><div class=\"eb-row-root-container eb-row-t5wxe\" data-id=\"eb-row-t5wxe\"><div class=\"eb-row-wrapper\"><div class=\"eb-row-inner\"><\/div><\/div><\/div><\/div><\/div>\n<\/div><\/div><\/div><\/div><\/div>\n\n<div class=\"wp-block-uagb-info-box uagb-block-a5f31c54 uagb-infobox__content-wrap  uagb-infobox-icon-above-title uagb-infobox-image-valign-top\"><div class=\"uagb-ifb-content\"><div class=\"uagb-ifb-image-content\"><img decoding=\"async\" src=\"https:\/\/pisa4u.gr\/wp-content\/uploads\/2025\/12\/Pisa4U-logo-COLOR-Trans-300x206.png\" alt=\"pisa4u logo color trans\" width=\"\" height=\"0\" loading=\"lazy\" title=\"Visualization of PISA Results\" \/><\/div><div class=\"uagb-ifb-title-wrap\"><h3 class=\"uagb-ifb-title\"><strong>Comprehensive Visualizations on PiSA4U<\/strong><\/h3><\/div><p class=\"uagb-ifb-desc\">The comprehensive visualizations of empirical data from the PISA study allow for direct monitoring and comparison of data, as well as of trends observed in selected variables and indicators for Greece and other countries. The focus is on personal, family\/social, and school-related factors that the literature has identified as important in analyses and, more specifically, in interpreting student performance in the core literacy subjects (mathematics, reading, and science). <br\/><br\/>Business intelligence technologies (Tableau and Microsoft PowerBI) were utilized, and a specialized application and package were developed in R (MyPISA4U) to enable the parametric visualization of analyses of interest to users. The visualizations interoperate with the repository and the data warehouse. <br\/><br\/>The visualizations were developed as part of the project \u201cCreation of Research Infrastructures, Processing of Research Material, and Communication of Results of International Educational Research,\u201d with Professor Anastasios Emvalotis of the University of Ioannina serving as the Principal Investigator. It was funded under the Program Agreement between the Ministry of Education, Religious Affairs, and Sports and the University of Ioannina through the Ministry of Education, Religious Affairs, and Sports\u2019 Sectoral Development Program for 2021\u20132025. <\/p><\/div><\/div>\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n<div class=\"wp-block-essential-blocks-row alignfull  root-eb-row-5dglx\" id=\"about_section\"><div class=\"eb-parent-wrapper eb-parent-eb-row-5dglx \"><div class=\"eb-row-root-container eb-row-5dglx\" data-id=\"eb-row-5dglx\"><div class=\"eb-row-wrapper\"><div class=\"eb-row-inner\">\n<div class=\"wp-block-essential-blocks-column  root-eb-column-y2a7v\"><div class=\"eb-parent-wrapper eb-parent-eb-column-y2a7v \"><div class=\"eb-column-wrapper eb-column-y2a7v\"><div class=\"eb-column-inner\">\n<div class=\"wp-block-essential-blocks-row alignfull  root-eb-row-fsjsj\"><div class=\"eb-parent-wrapper eb-parent-eb-row-fsjsj \"><div class=\"eb-row-root-container eb-row-fsjsj\" data-id=\"eb-row-fsjsj\"><div class=\"eb-row-wrapper\"><div class=\"eb-row-inner\">\n<div class=\"wp-block-essential-blocks-column  root-eb-column-etrip\"><div class=\"eb-parent-wrapper eb-parent-eb-column-etrip \"><div class=\"eb-column-wrapper eb-column-etrip\"><div class=\"eb-column-inner\">\n<div class=\"wp-block-essential-blocks-advanced-image root-eb-advanced-image-hex19\"><div class=\"eb-parent-wrapper eb-parent-eb-advanced-image-hex19 \"><figure class=\"eb-advanced-image-wrapper eb-advanced-image-hex19 no-effect\" data-id=\"eb-advanced-image-hex19\"><div class=\"eb-image-wrapper\"><div class=\"eb-image-wrapper-inner eb-img-style-square\"><img decoding=\"async\" src=\"https:\/\/pisa4u.gr\/wp-content\/uploads\/2026\/01\/Pisa4U-visu.png\" alt=\"pisa4u visu\" title=\"Visualization of PISA Results\"><\/div><\/div><\/figure><\/div><\/div>\n<\/div><\/div><\/div><\/div>\n<\/div><\/div><\/div><\/div><\/div>\n<\/div><\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-essential-blocks-column  root-eb-column-0w3wz\"><div class=\"eb-parent-wrapper eb-parent-eb-column-0w3wz eb_animation eb___animated eb___fadeInRight\"><div class=\"eb-column-wrapper eb-column-0w3wz\"><div class=\"eb-column-inner\">\n<div class=\"wp-block-essential-blocks-advanced-heading  root-eb-advance-heading-tfdoz\"><div class=\"eb-parent-wrapper eb-parent-eb-advance-heading-tfdoz \"><div class=\"eb-advance-heading-wrapper eb-advance-heading-tfdoz button-1 undefined\" data-id=\"eb-advance-heading-tfdoz\"><h2 class=\"eb-ah-title\"><span class=\"first-title\">Comprehensive PISA Data Analysis Visualizations<\/span><\/h2><p class=\"eb-ah-subtitle\"><\/p><\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-essential-blocks-button root-eb-button-wc6po\"><div class=\"eb-parent-wrapper eb-parent-eb-button-wc6po \"><div class=\"eb-button-wrapper eb-button-alignment eb-button-wc6po\"><div class=\"eb-button\"><div class=\"eb-button-inner-wrapper \"><a class=\"eb-button-anchor \" href=\"https:\/\/pisa4u.gr\/en\/datasets\/plots\/\" rel=\"noopener\">Visit the app<\/a><\/div><\/div><\/div><\/div><\/div>\n<\/div><\/div><\/div><\/div>\n<\/div><\/div><\/div><\/div><\/div>\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\t\t\t<div class=\"wp-block-uagb-post-masonry uagb-post-grid  uagb-post__image-position-top uagb-post__image-enabled uagb-block-b430ce7f     uagb-post__items uagb-post__columns-3 is-masonry uagb-post__columns-tablet-2 uagb-post__columns-mobile-1\" data-total=\"1\" style=\"\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"uagb-post__inner-wrap\">\t\t\t\t\t\t\t\t<div class='uagb-post__image'>\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/pisa4u.gr\/en\/visualization-of-responses-to-the-pisa-2022-student-questionnaire\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/pisa4u.gr\/wp-content\/uploads\/2025\/12\/tableau_pisa-1024x576.png\" class=\"attachment-large size-large\" alt=\"tableau pisa\" srcset=\"https:\/\/pisa4u.gr\/wp-content\/uploads\/2025\/12\/tableau_pisa-1024x576.png 1024w, https:\/\/pisa4u.gr\/wp-content\/uploads\/2025\/12\/tableau_pisa-300x169.png 300w, https:\/\/pisa4u.gr\/wp-content\/uploads\/2025\/12\/tableau_pisa-768x432.png 768w, https:\/\/pisa4u.gr\/wp-content\/uploads\/2025\/12\/tableau_pisa.png 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"  title=\"Visualization of PISA Results\" \/>\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<h4 class=\"uagb-post__title uagb-post__text\">\n\t\t\t\t<a href=\"https:\/\/pisa4u.gr\/en\/visualization-of-responses-to-the-pisa-2022-student-questionnaire\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Visualization of Responses to the PISA 2022 Student Questionnaire<\/a>\n\t\t\t<\/h4>\n\t\t\t\t\t\t<div class='uagb-post__text uagb-post-grid-byline'>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"uagb-post__text uagb-post__cta wp-block-button\">\n\t\t\t\t<a class=\"wp-block-button__link uagb-text-link\" style=\"\" href=\"https:\/\/pisa4u.gr\/en\/visualization-of-responses-to-the-pisa-2022-student-questionnaire\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">View results<\/a>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"uagb-post__inner-wrap\">\t\t\t\t\t\t\t\t<div class='uagb-post__image'>\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/pisa4u.gr\/en\/visualization-of-responses-to-the-pisa-2018-student-questionnaire\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/pisa4u.gr\/wp-content\/uploads\/2025\/12\/tableau_pisa-1024x576.png\" class=\"attachment-large size-large\" alt=\"tableau pisa\" srcset=\"https:\/\/pisa4u.gr\/wp-content\/uploads\/2025\/12\/tableau_pisa-1024x576.png 1024w, https:\/\/pisa4u.gr\/wp-content\/uploads\/2025\/12\/tableau_pisa-300x169.png 300w, https:\/\/pisa4u.gr\/wp-content\/uploads\/2025\/12\/tableau_pisa-768x432.png 768w, https:\/\/pisa4u.gr\/wp-content\/uploads\/2025\/12\/tableau_pisa.png 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"  title=\"Visualization of PISA Results\" \/>\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<h4 class=\"uagb-post__title uagb-post__text\">\n\t\t\t\t<a href=\"https:\/\/pisa4u.gr\/en\/visualization-of-responses-to-the-pisa-2018-student-questionnaire\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Visualization of Responses to the PISA 2018 Student Questionnaire<\/a>\n\t\t\t<\/h4>\n\t\t\t\t\t\t<div class='uagb-post__text uagb-post-grid-byline'>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"uagb-post__text uagb-post__cta wp-block-button\">\n\t\t\t\t<a class=\"wp-block-button__link uagb-text-link\" style=\"\" href=\"https:\/\/pisa4u.gr\/en\/visualization-of-responses-to-the-pisa-2018-student-questionnaire\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">View results<\/a>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"uagb-post__inner-wrap\">\t\t\t\t\t\t\t\t<div class='uagb-post__image'>\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/pisa4u.gr\/en\/visualization-of-responses-to-the-pisa-2015-student-questionnaire\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/pisa4u.gr\/wp-content\/uploads\/2025\/12\/tableau_pisa-1024x576.png\" class=\"attachment-large size-large\" alt=\"tableau pisa\" srcset=\"https:\/\/pisa4u.gr\/wp-content\/uploads\/2025\/12\/tableau_pisa-1024x576.png 1024w, https:\/\/pisa4u.gr\/wp-content\/uploads\/2025\/12\/tableau_pisa-300x169.png 300w, https:\/\/pisa4u.gr\/wp-content\/uploads\/2025\/12\/tableau_pisa-768x432.png 768w, https:\/\/pisa4u.gr\/wp-content\/uploads\/2025\/12\/tableau_pisa.png 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"  title=\"Visualization of PISA Results\" \/>\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<h4 class=\"uagb-post__title uagb-post__text\">\n\t\t\t\t<a href=\"https:\/\/pisa4u.gr\/en\/visualization-of-responses-to-the-pisa-2015-student-questionnaire\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Visualization of Responses to the PISA 2015 Student Questionnaire<\/a>\n\t\t\t<\/h4>\n\t\t\t\t\t\t<div class='uagb-post__text uagb-post-grid-byline'>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"uagb-post__text uagb-post__cta wp-block-button\">\n\t\t\t\t<a class=\"wp-block-button__link uagb-text-link\" style=\"\" href=\"https:\/\/pisa4u.gr\/en\/visualization-of-responses-to-the-pisa-2015-student-questionnaire\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">View results<\/a>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"uagb-post__inner-wrap\">\t\t\t\t\t\t\t\t<div class='uagb-post__image'>\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/pisa4u.gr\/en\/visualization-of-2022-pisa-results\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\"><img decoding=\"async\" width=\"1024\" height=\"639\" src=\"https:\/\/pisa4u.gr\/wp-content\/uploads\/2026\/01\/powerbi_pisa-1024x639.png\" class=\"attachment-large size-large\" alt=\"powerbi pisa\" srcset=\"https:\/\/pisa4u.gr\/wp-content\/uploads\/2026\/01\/powerbi_pisa-1024x639.png 1024w, https:\/\/pisa4u.gr\/wp-content\/uploads\/2026\/01\/powerbi_pisa-300x187.png 300w, https:\/\/pisa4u.gr\/wp-content\/uploads\/2026\/01\/powerbi_pisa-768x479.png 768w, https:\/\/pisa4u.gr\/wp-content\/uploads\/2026\/01\/powerbi_pisa.png 1082w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"  title=\"Visualization of PISA Results\" \/>\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<h4 class=\"uagb-post__title uagb-post__text\">\n\t\t\t\t<a href=\"https:\/\/pisa4u.gr\/en\/visualization-of-2022-pisa-results\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Visualization of 2022 PISA Results<\/a>\n\t\t\t<\/h4>\n\t\t\t\t\t\t<div class='uagb-post__text uagb-post-grid-byline'>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"uagb-post__text uagb-post__cta wp-block-button\">\n\t\t\t\t<a class=\"wp-block-button__link uagb-text-link\" style=\"\" href=\"https:\/\/pisa4u.gr\/en\/visualization-of-2022-pisa-results\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">View results<\/a>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"uagb-post__inner-wrap\">\t\t\t\t\t\t\t\t<div class='uagb-post__image'>\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/pisa4u.gr\/en\/visualization-of-2018-pisa-results\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\"><img decoding=\"async\" width=\"1024\" height=\"639\" src=\"https:\/\/pisa4u.gr\/wp-content\/uploads\/2026\/01\/powerbi_pisa-1024x639.png\" class=\"attachment-large size-large\" alt=\"powerbi pisa\" srcset=\"https:\/\/pisa4u.gr\/wp-content\/uploads\/2026\/01\/powerbi_pisa-1024x639.png 1024w, https:\/\/pisa4u.gr\/wp-content\/uploads\/2026\/01\/powerbi_pisa-300x187.png 300w, https:\/\/pisa4u.gr\/wp-content\/uploads\/2026\/01\/powerbi_pisa-768x479.png 768w, https:\/\/pisa4u.gr\/wp-content\/uploads\/2026\/01\/powerbi_pisa.png 1082w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"  title=\"Visualization of PISA Results\" \/>\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<h4 class=\"uagb-post__title uagb-post__text\">\n\t\t\t\t<a href=\"https:\/\/pisa4u.gr\/en\/visualization-of-2018-pisa-results\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Visualization of 2018 PISA Results<\/a>\n\t\t\t<\/h4>\n\t\t\t\t\t\t<div class='uagb-post__text uagb-post-grid-byline'>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"uagb-post__text uagb-post__cta wp-block-button\">\n\t\t\t\t<a class=\"wp-block-button__link uagb-text-link\" style=\"\" href=\"https:\/\/pisa4u.gr\/en\/visualization-of-2018-pisa-results\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">View results<\/a>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"uagb-post__inner-wrap\">\t\t\t\t\t\t\t\t<div class='uagb-post__image'>\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/pisa4u.gr\/en\/visualization-of-2015-pisa-results\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\"><img decoding=\"async\" width=\"1024\" height=\"639\" src=\"https:\/\/pisa4u.gr\/wp-content\/uploads\/2026\/01\/powerbi_pisa-1024x639.png\" class=\"attachment-large size-large\" alt=\"powerbi pisa\" srcset=\"https:\/\/pisa4u.gr\/wp-content\/uploads\/2026\/01\/powerbi_pisa-1024x639.png 1024w, https:\/\/pisa4u.gr\/wp-content\/uploads\/2026\/01\/powerbi_pisa-300x187.png 300w, https:\/\/pisa4u.gr\/wp-content\/uploads\/2026\/01\/powerbi_pisa-768x479.png 768w, https:\/\/pisa4u.gr\/wp-content\/uploads\/2026\/01\/powerbi_pisa.png 1082w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"  title=\"Visualization of PISA Results\" \/>\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<h4 class=\"uagb-post__title uagb-post__text\">\n\t\t\t\t<a href=\"https:\/\/pisa4u.gr\/en\/visualization-of-2015-pisa-results\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Visualization of 2015 PISA Results<\/a>\n\t\t\t<\/h4>\n\t\t\t\t\t\t<div class='uagb-post__text uagb-post-grid-byline'>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"uagb-post__text uagb-post__cta wp-block-button\">\n\t\t\t\t<a class=\"wp-block-button__link uagb-text-link\" style=\"\" href=\"https:\/\/pisa4u.gr\/en\/visualization-of-2015-pisa-results\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">View results<\/a>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"uagb-post__inner-wrap\">\t\t\t\t\t\t\t\t<div class='uagb-post__image'>\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/pisa4u.gr\/en\/visualization-of-pisa-2022-cognitive-results\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/pisa4u.gr\/wp-content\/uploads\/2025\/12\/tableau_pisa-1024x576.png\" class=\"attachment-large size-large\" alt=\"tableau pisa\" srcset=\"https:\/\/pisa4u.gr\/wp-content\/uploads\/2025\/12\/tableau_pisa-1024x576.png 1024w, https:\/\/pisa4u.gr\/wp-content\/uploads\/2025\/12\/tableau_pisa-300x169.png 300w, https:\/\/pisa4u.gr\/wp-content\/uploads\/2025\/12\/tableau_pisa-768x432.png 768w, https:\/\/pisa4u.gr\/wp-content\/uploads\/2025\/12\/tableau_pisa.png 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"  title=\"Visualization of PISA Results\" \/>\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<h4 class=\"uagb-post__title uagb-post__text\">\n\t\t\t\t<a href=\"https:\/\/pisa4u.gr\/en\/visualization-of-pisa-2022-cognitive-results\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Visualization of PISA 2022 Cognitive Results<\/a>\n\t\t\t<\/h4>\n\t\t\t\t\t\t<div class='uagb-post__text uagb-post-grid-byline'>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"uagb-post__text uagb-post__cta wp-block-button\">\n\t\t\t\t<a class=\"wp-block-button__link uagb-text-link\" style=\"\" href=\"https:\/\/pisa4u.gr\/en\/visualization-of-pisa-2022-cognitive-results\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">View results<\/a>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"uagb-post__inner-wrap\">\t\t\t\t\t\t\t\t<div class='uagb-post__image'>\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/pisa4u.gr\/en\/visualization-of-pisa-2018-cognitive-results\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/pisa4u.gr\/wp-content\/uploads\/2025\/12\/tableau_pisa-1024x576.png\" class=\"attachment-large size-large\" alt=\"tableau pisa\" srcset=\"https:\/\/pisa4u.gr\/wp-content\/uploads\/2025\/12\/tableau_pisa-1024x576.png 1024w, https:\/\/pisa4u.gr\/wp-content\/uploads\/2025\/12\/tableau_pisa-300x169.png 300w, https:\/\/pisa4u.gr\/wp-content\/uploads\/2025\/12\/tableau_pisa-768x432.png 768w, https:\/\/pisa4u.gr\/wp-content\/uploads\/2025\/12\/tableau_pisa.png 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"  title=\"Visualization of PISA Results\" \/>\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<h4 class=\"uagb-post__title uagb-post__text\">\n\t\t\t\t<a href=\"https:\/\/pisa4u.gr\/en\/visualization-of-pisa-2018-cognitive-results\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Visualization of PISA 2018 Cognitive Results<\/a>\n\t\t\t<\/h4>\n\t\t\t\t\t\t<div class='uagb-post__text uagb-post-grid-byline'>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"uagb-post__text uagb-post__cta wp-block-button\">\n\t\t\t\t<a class=\"wp-block-button__link uagb-text-link\" style=\"\" href=\"https:\/\/pisa4u.gr\/en\/visualization-of-pisa-2018-cognitive-results\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">View results<\/a>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"uagb-post__inner-wrap\">\t\t\t\t\t\t\t\t<div class='uagb-post__image'>\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/pisa4u.gr\/en\/visualization-of-pisa-2015-cognitive-results\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/pisa4u.gr\/wp-content\/uploads\/2025\/12\/tableau_pisa-1024x576.png\" class=\"attachment-large size-large\" alt=\"tableau pisa\" srcset=\"https:\/\/pisa4u.gr\/wp-content\/uploads\/2025\/12\/tableau_pisa-1024x576.png 1024w, https:\/\/pisa4u.gr\/wp-content\/uploads\/2025\/12\/tableau_pisa-300x169.png 300w, https:\/\/pisa4u.gr\/wp-content\/uploads\/2025\/12\/tableau_pisa-768x432.png 768w, https:\/\/pisa4u.gr\/wp-content\/uploads\/2025\/12\/tableau_pisa.png 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"  title=\"Visualization of PISA Results\" \/>\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<h4 class=\"uagb-post__title uagb-post__text\">\n\t\t\t\t<a href=\"https:\/\/pisa4u.gr\/en\/visualization-of-pisa-2015-cognitive-results\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Visualization of PISA 2015 Cognitive Results<\/a>\n\t\t\t<\/h4>\n\t\t\t\t\t\t<div class='uagb-post__text uagb-post-grid-byline'>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"uagb-post__text uagb-post__cta wp-block-button\">\n\t\t\t\t<a class=\"wp-block-button__link uagb-text-link\" style=\"\" href=\"https:\/\/pisa4u.gr\/en\/visualization-of-pisa-2015-cognitive-results\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">View results<\/a>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t","protected":false},"excerpt":{"rendered":"<p>Visualization of PISA Results<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_eb_attr":"","_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"normal-width-container","site-content-style":"unboxed","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"enabled","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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