{"id":25,"date":"2020-09-29T13:29:32","date_gmt":"2020-09-29T20:29:32","guid":{"rendered":"http:\/\/labs.wsu.edu\/lsd\/?page_id=25"},"modified":"2026-09-14T08:09:19","modified_gmt":"2026-09-14T15:09:19","slug":"home","status":"publish","type":"page","link":"https:\/\/labs.wsu.edu\/lsd\/","title":{"rendered":"Home"},"content":{"rendered":"<br \/>\n<section id=\"builder-section-1601497298239\" class=\"row single gutter pad-top\">\n<div style=\"\" class=\"column one \">\n<p style=\"text-align: center\"><span style=\"color: #993300\"><strong>A methodological research lab advancing measurement and quantitative methods for large-scale and complex data.<\/strong><\/span><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/s3.wp.wsu.edu\/uploads\/sites\/90\/2017\/11\/Dai-792x528.jpeg\" alt=\"\" width=\"396\" height=\"264\" \/><\/p>\n<h5 style=\"text-align: center\"><a href=\"https:\/\/ceshs.wsu.edu\/our-faculty\/wsu-profile\/s.dai\/\" target=\"_blank\" rel=\"noopener noreferrer\">Shenghai Dai, PhD<\/a><\/h5>\n<p style=\"text-align: center\"><a href=\"mailto:s.dai@wsu.edu\">s.dai@wsu.edu<\/a><br \/>\n<a href=\"https:\/\/wpcdn.web.wsu.edu\/wp-labs\/uploads\/sites\/2619\/2026\/04\/Dai-Shenghai_CV.pdf\">CV <\/a>| <a href=\"https:\/\/scholar.google.com\/citations?user=kU1gZT0AAAAJ&amp;hl=en\">Google Scholar<\/a> | <a href=\"https:\/\/www.linkedin.com\/in\/shenghaidai\/\">LinkedIn<\/a> | <a href=\"https:\/\/daiscode.github.io\/\">GitHub<\/a><\/p>\n<\/p><\/div>\n<\/section>\n<section id=\"builder-section-1601411180746\" class=\"row single gutter pad-top\">\n<div style=\"\" class=\"column one \">\n<p>The\u00a0<strong>Large-Scale Data Laboratory (LSD Lab)\u00a0<\/strong>is a research and methodological resource within the\u00a0<a href=\"https:\/\/labs.wsu.edu\/lprc\/\" target=\"_blank\" rel=\"noopener\">Learning and Performance Research Center (LPRC)<\/a> at Washington State University\u2019s College of Education, Sport, and Human Sciences. Established in May 2019 with support from the LPRC, the WSU College of Education High-Risk\/High-Reward Grant, and the WSU New Faculty Seed Grant, the LSD Lab provides infrastructure, methodological expertise, and collaborative support for research using complex educational, psychological, and other large-scale datasets. The lab is currently directed by <a href=\"https:\/\/ceshs.wsu.edu\/degrees\/educational-psychology-faculty\/wsu-profile\/s.dai\/\">Dr. Shenghai Dai<\/a>.<\/p>\n<p>The LSD Lab supports research involving <strong>large-scale assessments and surveys, educational measurement and psychometrics, complex and longitudinal data, advanced quantitative and computational methods, and program evaluation<\/strong>.\u00a0The lab provides a secure research environment for working with confidential and restricted-use datasets, including data from the <strong>National Assessment of Educational Progress (NAEP)<\/strong> and other large-scale assessment and survey programs. In addition to secure data infrastructure, the lab provides access to powerful computing resources and statistical software for managing, processing, and analyzing large, complex datasets.<\/p>\n<p>Through the LPRC, the LSD Lab provides a collaborative environment for <strong>faculty and student research, interdisciplinary collaboration, methodological development, and research training<\/strong>. Its work spans assessment and survey methodology, measurement and psychometrics, advanced statistical and longitudinal analysis, machine learning and data science, instrument development and validation, and statistical software development.<\/p>\n<ul>\n<li class=\"PDq2pG_selectionAnchorContainer\" data-start=\"9300\" data-end=\"9408\">\n<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"3230\" data-end=\"3336\"><strong data-start=\"3230\" data-end=\"3270\">Large-Scale Assessment &amp; Survey Data<\/strong><br data-start=\"3270\" data-end=\"3273\" \/>Expertise in NAEP and other complex assessment and survey data.<\/p>\n<\/li>\n<li class=\"PDq2pG_selectionAnchorContainer\" data-start=\"9300\" data-end=\"9408\">\n<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"3230\" data-end=\"3336\"><strong data-start=\"3338\" data-end=\"3369\">Measurement &amp; Psychometrics<\/strong><br data-start=\"3369\" data-end=\"3372\" \/>Development, evaluation, and analysis of educational and psychological measures.<\/p>\n<\/li>\n<li class=\"PDq2pG_selectionAnchorContainer\" data-start=\"9300\" data-end=\"9408\">\n<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"3230\" data-end=\"3336\"><strong data-start=\"3454\" data-end=\"3493\">Quantitative Methods &amp; Data Science<\/strong><br data-start=\"3493\" data-end=\"3496\" \/>Advanced statistical, longitudinal, and machine-learning approaches for complex data.<\/p>\n<\/li>\n<li class=\"PDq2pG_selectionAnchorContainer\" data-start=\"9300\" data-end=\"9408\">\n<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"3230\" data-end=\"3336\"><strong data-start=\"3583\" data-end=\"3620\">Research Collaboration &amp; Training<\/strong><br data-start=\"3620\" data-end=\"3623\" \/>Secure research infrastructure, interdisciplinary collaboration, and methodological training.<\/p>\n<\/li>\n<\/ul>\n<p>Explore our research capabilities \u2192 <a href=\"https:\/\/labs.wsu.edu\/lsd\/what-we-do\/\">What We Do<\/a><\/p>\n<section class=\"row single gutter pad-top\">\n<div class=\"column two\" style=\"text-align: center\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-254 size-medium aligncenter\" src=\"https:\/\/wpcdn.web.wsu.edu\/wp-labs\/uploads\/sites\/2619\/2025\/03\/Slide8-396x169.jpg\" alt=\"\" width=\"396\" height=\"169\" srcset=\"https:\/\/wpcdn.web.wsu.edu\/wp-labs\/uploads\/sites\/2619\/2025\/03\/Slide8-396x169.jpg 396w, https:\/\/wpcdn.web.wsu.edu\/wp-labs\/uploads\/sites\/2619\/2025\/03\/Slide8.jpg 640w\" sizes=\"(max-width: 396px) 100vw, 396px\" \/><\/div>\n<\/section><\/div>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p style=\"text-align: center\"><strong>A methodological research lab advancing measurement and quantitative methods for large-scale and complex data.<\/strong><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/s3.wp.wsu.edu\/uploads\/sites\/90\/2017\/11\/Dai-792x528.jpeg\" alt=\"\" width=\"396\" height=\"264\" \/><\/p>\n<h5 style=\"text-align: center\"><a href=\"https:\/\/ceshs.wsu.edu\/our-faculty\/wsu-profile\/s.dai\/\" target=\"_blank\" rel=\"noopener noreferrer\">Shenghai Dai, PhD<\/a><\/h5>\n<p style=\"text-align: center\"><a href=\"mailto:s.dai@wsu.edu\">s.dai@wsu.edu<\/a><br \/> <a href=\"https:\/\/wpcdn.web.wsu.edu\/wp-labs\/uploads\/sites\/2619\/2026\/04\/Dai-Shenghai_CV.pdf\">CV <\/a>| <a href=\"https:\/\/scholar.google.com\/citations?user=kU1gZT0AAAAJ&amp;hl=en\">Google Scholar<\/a> | <a href=\"https:\/\/www.linkedin.com\/in\/shenghaidai\/\">LinkedIn<\/a> | <a href=\"https:\/\/daiscode.github.io\/\">GitHub<\/a><\/p>\n<p>The\u00a0<strong>Large-Scale Data Laboratory (LSD Lab)\u00a0<\/strong>is a research and methodological resource within the\u00a0<a href=\"https:\/\/labs.wsu.edu\/lprc\/\" target=\"_blank\" rel=\"noopener\">Learning and Performance Research Center (LPRC)<\/a> at Washington State University\u2019s College of Education, Sport, and Human Sciences. Established in May 2019 with support from the LPRC, the WSU College of Education High-Risk\/High-Reward Grant, and the WSU New Faculty Seed Grant, &#8230; <a href=\"https:\/\/labs.wsu.edu\/lsd\/\" class=\"more-link\"><span class=\"more-default\">&raquo; More &#8230;<\/span><\/a><\/p>\n","protected":false},"author":4782,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"template-builder.php","meta":{"_wsuwp_accessibility_report":[]},"wsuwp_university_location":[],"wsuwp_university_org":[],"_links":{"self":[{"href":"https:\/\/labs.wsu.edu\/lsd\/wp-json\/wp\/v2\/pages\/25"}],"collection":[{"href":"https:\/\/labs.wsu.edu\/lsd\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/labs.wsu.edu\/lsd\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/labs.wsu.edu\/lsd\/wp-json\/wp\/v2\/users\/4782"}],"replies":[{"embeddable":true,"href":"https:\/\/labs.wsu.edu\/lsd\/wp-json\/wp\/v2\/comments?post=25"}],"version-history":[{"count":30,"href":"https:\/\/labs.wsu.edu\/lsd\/wp-json\/wp\/v2\/pages\/25\/revisions"}],"predecessor-version":[{"id":540,"href":"https:\/\/labs.wsu.edu\/lsd\/wp-json\/wp\/v2\/pages\/25\/revisions\/540"}],"wp:attachment":[{"href":"https:\/\/labs.wsu.edu\/lsd\/wp-json\/wp\/v2\/media?parent=25"}],"wp:term":[{"taxonomy":"wsuwp_university_location","embeddable":true,"href":"https:\/\/labs.wsu.edu\/lsd\/wp-json\/wp\/v2\/wsuwp_university_location?post=25"},{"taxonomy":"wsuwp_university_org","embeddable":true,"href":"https:\/\/labs.wsu.edu\/lsd\/wp-json\/wp\/v2\/wsuwp_university_org?post=25"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}