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Specifically, it examines the transition from previous weighting strategies to a new post-stratification approach, evaluating the impact of these adjustments on data estimates. Sponsored by the National Institute on Drug Abuse, the document serves as a technical resource for researchers using MTF panel data, offering transparency regarding the statistical refinements aimed at improving the accuracy and representativeness of the survey findings. By comparing the estimates derived from old and new weighting methods, the report provides critical insights into how these changes influence longitudinal findings, ensuring that longitudinal trends remain robust and reliable for policy and health-related studies. The paper emphasizes methodological rigor, documenting the structural shifts in survey weighting that are essential for analysts to correctly interpret trends in substance use and related behaviors over time among the surveyed cohorts.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":40,"@type":76,"position":81},"https://docshare.wps.com/document/research-report/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/comparison-of-estimates-before-and-after-the-updated-weighting-strategy-change-monitoring-the-future-panel-study-annual-report/584861/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/comparison-of-estimates-before-and-after-the-updated-weighting-strategy-change-monitoring-the-future-panel-study-annual-report/584861.png","ImageObject",300,407,{"name":92,"@type":93},"Sophia Brooks","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-29","2026-10-15",true,{"@type":102,"interactionType":103,"userInteractionCount":29},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What is the primary focus of Monitoring the Future Occasional Paper No. 100?","Question",{"text":112,"@type":113},"The paper focuses on comparing data estimates before and after the implementation of an updated weighting strategy for the Monitoring the Future panel study.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"Who sponsored this research report?",{"text":117,"@type":113},"The report is sponsored by the National Institute on Drug Abuse at the National Institutes of Health.",{"name":119,"@type":110,"acceptedAnswer":120},"What is the significance of the post-stratification weighting change discussed in the report?",{"text":121,"@type":113},"The change to post-stratification weights is intended to refine the statistical accuracy and representativeness of the survey findings within the Monitoring the Future panel study, allowing for more robust analysis of longitudinal data.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},584861,1792192308,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":39,"category_name":40,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":29,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":139,"language":140,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":141,"faqs":142,"seo_title":143,"seo_description":67,"update_tm":144,"read_time":145,"preview_page_count":4},962084925636,"https://ap-avatar.wpscdn.com/davatar_994ba38a5ba835b3df7d355c54d3ed8d","COMPARISON OF ESTIMATES BEFORE AND AFTER THE UPDATED WEIGHTING STRATEGY CHANGE FOR THE MONITORING THE FUTURE PANEL STUDY ANNUAL REPORT  \nMONITORING THE FUTURE OCCASIONAL PAPER NO. 100  \nSponsored by the National Institute on Drug Abuse at the National Institutes of Health  \nYvonne M. Terry-McElrath Megan E. Patrick  \nAcknowledgments  \nPublic Domain Notice  \nRecommended Citation  \n[MonitoringtheFuture.org @ysi_news](MonitoringtheFuture.org @ysi_news) [MTFinformation@umich.edu](MTFinformation@umich.edu)  \nTable of Contents  \nOverview and Summary  \nPart 1  \nOverview of Old and New Weighting Methods  \nOccasional Paper Table 1. Post-Stratification Weights Used in Prior MTF Panel Reports  \n\n| |  |\n| --- | --- |\n| | \u003Cbr>􀁸 \u003Cbr>􀁸 \u003Cbr>􀁸 \u003Cbr>|\n| 􀁸 \u003Cbr> 􀁸 \u003Cbr>|  |","cbCaiv299YYFGQwf","https://ap.wps.com/l/cbCaiv299YYFGQwf","pdf",10271197,197,"English","# Overview and Summary\n## Part 1: Overview of Old and New Weighting Methods\n## Occasional Paper Table 1. Post-Stratification Weights Used in Prior MTF Panel Reports","[{\"question\":\"What is the primary focus of Monitoring the Future Occasional Paper No. 100?\",\"answer\":\"The paper focuses on comparing data estimates before and after the implementation of an updated weighting strategy for the Monitoring the Future panel study.\"},{\"question\":\"Who sponsored this research report?\",\"answer\":\"The report is sponsored by the National Institute on Drug Abuse at the National Institutes of Health.\"},{\"question\":\"What is the significance of the post-stratification weighting change discussed in the report?\",\"answer\":\"The change to post-stratification weights is intended to refine the statistical accuracy and representativeness of the survey findings within the Monitoring the Future panel study, allowing for more robust analysis of longitudinal data.\"}]","Comparison of Estimates Before and After the Updated Weighting Strategy Change - Monitoring the Future Panel Study Annual Report | PDF",1792052727,496]