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https://www.elsa-project.ac.uk/ The English Longitudinal Study of Ageing (ELSA) The English Longitudinal Study of Ageing (ELSA) is a unique and rich resource of information on the dynamics of health, social, wellbeing and economic... the english longitudinal study ageing elsa https://q.bio/ Q Bio | The Comprehensive Physical Exam for Longitudinal Health Q Bio combines whole-body MRI, biomarkers, genetics, wearable data, and physician review into the Q Exam — a comprehensive baseline organized in the Q Bio... physical exam q bio comprehensive longitudinal https://leads-study.medicine.iu.edu/ LEADS - Longitudinal Early-Onset Alzheimer's Disease Study Mar 9, 2026 - The Longitudinal Early-onset Alzheimer's Disease Study (LEADS) is an observational study that will enroll and follow 500 cognitively impaired participants and... early onset leads longitudinal alzheimer disease https://www.adruk.org/our-work/browse-all-projects/adr-uk-research-fellows-longitudinal-education-outcomes/ ADR UK Research Fellows: Longitudinal Education Outcomes - ADR UK ADR UK is funding six Research Fellowships to analyse the Longitudinal Education Outcomes (LEO) dataset. These projects will generate novel insights around p... uk research adr fellows longitudinal education https://aimeqed.org/ aimeQED – Discover aimeQED, an interactive digital longitudinal assessment platform that supports... interactive digital assessment platform discover https://www.elsa-project.ac.uk/hcap HCAP | English Longitudinal Study of Aging (ELSA) Following the completion of each wave of data collection, we produce a report that provides a detailed set of results from cross-sectional and longitudinal... longitudinal study hcap english aging elsa https://nces.ed.gov/surveys/hsls09/ High School Longitudinal Study of 2009 (HSLS:09) - Overview The High School Longitudinal Study of 2009 (HSLS:09) is a nationally representative, longitudinal study of more than 20,000 9th graders in 944 schools who will... high school longitudinal study hsls overview https://store.astm.org/stp47582s.html Longitudinal Impact Tests of Long Bars with a Slingshot Machine longitudinal impact tests bars slingshot machine https://pubmed.ncbi.nlm.nih.gov/23943838/ Effect of neuronal nicotinic acetylcholine receptor genes (CHRN) on longitudinal cigarettes per day... Level of CPD during adolescence and young adulthood is associated with CHRNB3A6, CHRNA5A3B4, and CHRNA2. https://www.ojp.gov/library/publications/inequities-mental-health-services-16-year-longitudinal-study-youth-justice Inequities in Mental Health Services: A 16-Year Longitudinal Study of Youth in the Justice System |... The research behind this article examined if youth with mental disorders are receiving the services they need once they have left detention and over time, as... https://www.mdpi.com/2072-6694/11/10/1476 Exosomal microRNAs from Longitudinal Liquid Biopsies for the Prediction of Response to Induction... Despite intensive treatment, 50% of children with high-risk neuroblastoma (HR-NB) succumb to their disease. Progression through current trials evaluating the... https://spiral.imperial.ac.uk/entities/publication/12a5508c-5bbd-4a16-90e2-72318e4fddda Parity time-symmetric vertical cavities: intrinsically single-mode regime in longitudinal direction We explore a new class of distributed feedback (DFB) structures that employ the recently-developed concept of parity-time (PT) symmetry in optics. We show... https://hai.stanford.edu/research/self-supervised-longitudinal-neighbourhood-embedding Self-Supervised Longitudinal Neighbourhood Embedding | Stanford HAI Self-Supervised Longitudinal Neighbourhood Embedding self supervised longitudinal neighbourhood embedding https://ifp.nyu.edu/2025/journal-article-abstracts/vio0000584/ Longitudinal serial effect of hostile attribution bias and moral disengagement on cyberbullying: A... May 29, 2025 - Psychology of Violence, Vol 15(3), May 2025, 261-270; doi:10.1037/vio0000584Objective: Although cyberbullying refers to proactive and reactive aggression, https://flosse.dss.gov.au/ DSS Longitudinal Studies :: Home DSpace-CRIS is a comprehensive, free and open-source Research Information Management System (CRIS/RIMS). It is based on DSpace, providing broader functionality... longitudinal studies dss https://zfymachine.en.made-in-china.com/product/JmxUZIuEIkVq/China-Factory-Fast-Delivery-Metal-Sheet-Longitudinal-Shearing-Cutting-Machine-Knife-Shearing-Blade.html Factory Fast Delivery Metal Sheet Longitudinal Shearing Cutting Machine Knife Shearing Blade -... Factory Fast Delivery Metal Sheet Longitudinal Shearing Cutting Machine Knife Shearing Blade, Find Details and Price about Shearing blade Metal Shear Blade... fast delivery metal sheet cutting machine factory https://www.frontiersin.org/journals/cardiovascular-medicine/articles/10.3389/fcvm.2023.1067984/full Frontiers | The relationship between pre-operative right ventricular longitudinal strain and... ObjectivesThis study was performed to investigate the relationship between right ventricular free wall longitudinal strain (RVFWSL) and low cardiac output sy... the relationship frontiers pre https://pure.psu.edu/en/publications/new-concept-for-resonant-longitudinal-shear-ultrasonic-motor/ New concept for resonant longitudinal-shear ultrasonic motor - Penn State new concept resonant longitudinal shear ultrasonic https://eprints.ncl.ac.uk/268958 A longitudinal cohort study investigating inadequate preparation and death and dying in nursing... longitudinal cohort study https://eric.ed.gov/?id=ED536306 ERIC - ED536306 - Longitudinal Surveys of Australian Youth (LSAY) 2009 Cohort: Wave 3... The Longitudinal Surveys of Australian Youth (LSAY) program studies the progress of several groups of young Australians as they move from school into... https://tilda.tcd.ie/news-events/2012/1208-city-of-science-festival/ The Irish Longitudinal Study on Ageing (TILDA) - Trinity College Dublin the irish longitudinal study trinity college ageing tilda https://cibb2026.teralab.ai/tracks/special-computational-intelligence-methods-for-complex-compositional-and-longitudinal-microbiome-data-in-one-health/ Computational Intelligence Methods for Complex, Compositional, and Longitudinal Microbiome Data in... The rapid expansion of microbiome research across human, animal, and environmental systems has generated complex, high-dimensional datasets that challenge... computational intelligence methods complex https://tilda.tcd.ie/news-events/2012/1206-TILDA-carers-report/ The Irish Longitudinal Study on Ageing (TILDA) - Trinity College Dublin the irish longitudinal study trinity college ageing tilda https://microdata.worldbank.org/index.php/catalog/3712/variable/F83/V6277?name=s1q1l Nigeria - COVID-19 National Longitudinal Phone Survey 2020-2021 phone survey nigeria covid national longitudinal https://pure.psu.edu/en/projects/longitudinal-cohort-of-mushroom-intake-and-cognitive-function-in-/ Longitudinal cohort of mushroom intake and cognitive function in the elderly - Penn State https://ec2-18-118-220-189.us-east-2.compute.amazonaws.com/publicaciones/drivers-of-customer-satisfaction-in-the-grocery-retail-industry-a-longitudinal-analysis-across-store-formats/ Drivers of customer satisfaction in the grocery retail industry: A longitudinal analysis across... https://adisinsight.springer.com/trials/700361138?error=cookies_not_supported&code=e5f015a3-c1d9-40f3-8c46-8bce9b056ecf A prospective longitudinal observational cohort study of mRNA COVID-19 vaccines in previously... https://research-portal.st-andrews.ac.uk/en/publications/exploring-transition-experiences-of-higher-stage-medical-trainees-2/ Exploring transition experiences of higher-stage medical trainees: A longitudinal audio-diary study... https://pubmed.ncbi.nlm.nih.gov/33772928/ Association between control of diabetes mellitus and polypharmacy at the Brazilian Longitudinal... Faced with the importance of achieving optimal control of diabetes and minimizing risks of potential DI, these results, which are in keeping with previous... diabetes mellitus https://microdata.worldbank.org/catalog/3712/data-dictionary/F22?file_name=r4_sect_1b.dta Nigeria - COVID-19 National Longitudinal Phone Survey 2020-2021 phone survey nigeria covid national longitudinal https://sites.bu.edu/melodem/ Methods for Longitudinal Studies in Dementia (MELODEM) longitudinal studies methods dementia https://sled.osse.dc.gov/vPage/SchoolDirectory/298/91189?grda3d73920-e561-4c76-8832-25f8731fd1d8-page=15&grda3d73920-e561-4c76-8832-25f8731fd1d8-sort=Telephone_Number-desc DC Statewide Longitudinal Education Data (SLED) The Office of the State Superintendent of Education (OSSE) is excited to launch its redesigned Statewide Longitudinal Education Data (SLED) website. This site... education data dc statewide longitudinal sled https://openresearch-repository.anu.edu.au/items/51707930-ba08-4b6f-8ce0-742483775cca Cross-Sectional and Longitudinal Patterns of Dedifferentiation in Late-Life Cognitive and Sensory... The dedifferentiation hypothesis is examined with respect to age-group differences, ability-group differences, attrition-group differences, and time. Cognitive... https://researchconnect.buffalo.edu/en/publications/a-longitudinal-study-of-serum-lipoproteins-in-relation-to-endogen/ A longitudinal study of serum lipoproteins in relation to endogenous reproductive hormones during... in relation to https://cshp.rutgers.edu/publications/active-commuting-to-school-a-longitudinal-analysis-examining-persistence-of-behavior-over-time-in-four-new-jersey-cities Active commuting to school: A longitudinal analysis examining persistence of behavior over time in... https://www.frontiersin.org/journals/psychiatry/articles/10.3389/fpsyt.2021.577058/full Frontiers | Longitudinal Association Between Cognition and Depression in Patients With Late-Life... Objectives: Although previous studies have extensively confirmed the cross-sectional relationship between cognitive impairment and depression in depressed el... https://pubmed.ncbi.nlm.nih.gov/22390667/ Educational and career interests in math: a longitudinal examination of the links between classroom... Drawing on the expectancy-value model, stage-environment fit theory, and self-determination theory, this study examined the longitudinal associations between... https://mau.diva-portal.org/smash/record.jsf?pid=diva2%3A1571233 'Periodontal health and disease in an older population : A 10-year longitudinal study' health and disease https://iro.uiowa.edu/esploro/outputs/doctoral/The-application-of-the-Ritz-method/9985152265002771 The application of the Ritz method to the problems of steady-state longitudinal, flexural and... The application of the Ritz method to the problems of steady-state longitudinal, flexural and torsional wave propagation in bars of rectangular cross-section -... the application https://publikationen.bibliothek.kit.edu/1000076321 Robustness of principal and longitudinal strains as fracture p... robustness principal longitudinal strains fracture https://data.mendeley.com/datasets/pvs3m7vwhd/2 Clinical features and natural course of pediatric longitudinal melanonychia: A retrospective cohort... Supplementary figures (1-6) and tables (1-4) clinical features https://pubmed.ncbi.nlm.nih.gov/33767170/ Predicting treatment response from longitudinal images using multi-task deep learning Radiographic imaging is routinely used to evaluate treatment response in solid tumors. Current imaging response metrics do not reliably predict the underlying... multi task predicting treatment response longitudinal https://www.midus.wisc.edu/media/media.php MIDUS - Midlife in the United States, A National Longitudinal Study of Health and Well-being A National Study of Health and Well-Being in the united states https://hr.economictimes.indiatimes.com/tag/longitudinal+control Longitudinal control - Latest longitudinal control , Information & Updates - HR -ETHRWorld ETHRWorld.com brings latest longitudinal control news, views and updates from all top sources for the Indian HR industry. latest information longitudinal control updates hr https://hspop.uw.edu/publication/accounting-for-deaths-in-longitudinal-studies-using-the-sf-36-the-performance-of-the-physical-component-scale-of-the-short-form-36-item-health-survey-and-the-pctd/ Accounting for deaths in longitudinal studies using the SF-36: the performance of the Physical... Diehr P, Patrick DL, McDonell MB, Fihn SD. Accounting for deaths in longitudinal studies using the SF-36: the performance of the Physical Component Scale of... https://www.frontiersin.org/journals/neurology/articles/10.3389/fneur.2011.00005/full Frontiers | Longitudinal MRI Volumetric Evaluation in Patients with Familial Mesial Temporal Lobe... Introduction: Studies have shown progressive cerebral damage in patients with refractory mesial temporal lobe epilepsy (MTLE). However, this has not been de... in patients https://researchportalplus.anu.edu.au/en/publications/predictors-of-sexual-risk-behaviors-among-newly-homeless-youth-a-/ Predictors of Sexual Risk Behaviors Among Newly Homeless Youth: A Longitudinal Study - The... https://research.tudelft.nl/en/publications/quasi-longitudinal-analysis-of-links-between-built-environment-tr/ Quasi-longitudinal analysis of links between built environment, travel attitudes and travel... built environment quasi longitudinal analysis links https://pubmed.ncbi.nlm.nih.gov/38307743/ Longitudinal parental perception of COVID-19 vaccines for children in a multi-site, cohort study The PROTECT cohort allows for an examination of factors driving vaccine uptake and how beliefs about COVID-19 and the COVID-19 vaccines change over time.... https://ifp.nyu.edu/2018/journal-article-abstracts/s12978-018-0644-y/ Increasing postpartum family planning uptake through group antenatal care: a longitudinal... Apr 13, 2026 - Abstract Background Despite significant improvements, postpartum family planning uptake remains low for women in sub-Saharan Africa. Transmitting family family planning antenatal care increasing postpartum uptake https://ju.diva-portal.org/smash/record.jsf?pid=diva2:1789309 Periradicular surgery : A longitudinal registry study of 10-year outcomes and factors predictive of... https://kth.diva-portal.org/smash/record.jsf?pid=diva2%3A1886084 Longitudinal Multi-Disease Serology Profiling longitudinal multi disease serology profiling https://pure.psu.edu/en/publications/a-two-wave-longitudinal-study-on-the-impacts-of-job-crafting-and-/ A two-wave longitudinal study on the impacts of job crafting and psychological resilience on... https://research-portal.uu.nl/en/publications/parents-as-moderators-of-peer-influence-on-adolescent-sexuality-l/ Parents as moderators of peer influence on adolescent sexuality: Longitudinal findings from the... https://sites.manchester.ac.uk/covid19-national-project/2022/06/30/longitudinal-changes-in-proportionate-mortality-due-to-covid-19-by-occupation-in-england-and-wales/ Longitudinal changes in proportionate mortality due to COVID-19 by occupation in England and Wales https://kth.diva-portal.org/smash/record.jsf?pid=diva2:1812483 Longitudinal Relationships Between Proteomics and Beta-Cell Dysfunction in Type 2 Diabetes: an IMI... https://uwspace.uwaterloo.ca/items/34cab2d3-83b6-40d4-9468-9d50d7d3abb7/full A Longitudinal Analysis Of Replicas in the Wild Wild Android In this thesis, we report and study a phenomenon that contributes to Android API sprawls. We observe that OEM developers introduce private APIs that are... in the wild longitudinal analysis replicas android https://microdata.worldbank.org/catalog/4444/variable/F7/V397?name=lga Nigeria - National Longitudinal Phone Survey 2021-2024 phone survey nigeria national longitudinal https://pubmed.ncbi.nlm.nih.gov/32599906/ Multiparametric Analysis of Longitudinal Quantitative MRI data to Identify Distinct Tumor Habitats... This study identifies physiological tumor habitats from quantitative magnetic resonance imaging (MRI) data and evaluates their alterations in response to... https://meetings.aps.org/Meeting/MAR24/Session/N20.3 APS -2024 APS March Meeting - Event - Impact of longitudinal spin fluctuations on the structure of... https://cdsp-scpo.github.io/wpss-doc/hq/other-operations/ Other operations - WPSS, a web panel sample service for online comparative longitudinal surveys https://tilda.tcd.ie/news-events/2012/1213-publication-polypharmacy/ The Irish Longitudinal Study on Ageing (TILDA) - Trinity College Dublin the irish longitudinal study trinity college ageing tilda https://scholars.lib.ntu.edu.tw/entities/publication/9534c505-018f-4ca8-a3ee-421a792d9b17 Cyclic behavior of shear-critical concrete columns with unstressed steel strands as longitudinal... The significantly higher tensile capacity of seven-wire steel strands compared to the conventional Grade 420 (MPa) deformed bar can effectively reduce... https://lhama.osu.edu/methods-tutorials/dyadic-categorical-time-series/ Dyadic Categorical Time Series - LHAMA: Longitudinal Human Analytics Made Accessible time series categorical lhama longitudinal human https://www.mez.uni-hamburg.de/en/1uebermez/news-container/night-of-the-science.html Night of the Sciences Hamburg (Nacht des Wissens) : Multilingual Development: A Longitudinal... of the https://ub01.uni-tuebingen.de/xmlui/handle/10900/101333 Are Personality Traits and Relationship Characteristics Reciprocally Related? Longitudinal Analyses... personality traits relationship characteristics related longitudinal https://microdata.worldbank.org/index.php/catalog/4444/variable/F62/V2622?name=s13bq4__1 Nigeria - National Longitudinal Phone Survey 2021-2024 phone survey nigeria national longitudinal https://discovery.fiu.edu/display/pub131293 THE DEVELOPMENT OF HEALTH FOR HEARTS UNITED: A LONGITUDINAL CHURCH-BASED INTERVENTION TO REDUCE... https://microdata.worldbank.org/index.php/catalog/4444/variable/F62/V2483?name=s6q6 Nigeria - National Longitudinal Phone Survey 2021-2024 phone survey nigeria national longitudinal https://microdata.worldbank.org/index.php/catalog/3712/variable/F80/V5860?name=zone Nigeria - COVID-19 National Longitudinal Phone Survey 2020-2021 phone survey nigeria covid national longitudinal https://stacks.cdc.gov/view/cdc/23514 Longitudinal Predictors of Self-Rated Health and Mortality in Older Adults Introduction Few studies have compared the effects of demographic, cognitive, and behavioral factors of health and mortality longitudinally. We examined... longitudinal predictors self rated https://pubmed.ncbi.nlm.nih.gov/38366572/ Phenoconversion in pure autonomic failure: a multicentre prospective longitudinal cohort study We aimed to describe the clinical features of patients with pure autonomic failure (PAF) preceding phenoconversion that could be useful as predictive markers... pure autonomic failure https://hsrc.himmelfarb.gwu.edu/sphhs_policy_workforce_facpubs/12/ "Longitudinal Analysis of Electronic Health Records on Staffing Mix in " by Bianca K. Frogner,... Community health centers (CHCs) have long faced clinical staffing challenges especially in rural areas of the US due to providers perceiving a lack of... https://openresearch.surrey.ac.uk/esploro/outputs/journalArticle/Bedtime-smartphone-use-and-academic-performance/99853465602346 Bedtime smartphone use and academic performance: A longitudinal analysis from the... academic performance bedtime smartphone use https://pubmed.ncbi.nlm.nih.gov/19212271/ Longitudinal changes in sexual functioning as women transition through menopause: results from the... Pain during sexual intercourse increases and sexual desire decreases over the menopausal transition. Masturbation increases during the early transition, but... https://hceconomics.uchicago.edu/fields-study/longitudinal-data Longitudinal Data | HCEO longitudinal data https://microdata.worldbank.org/index.php/catalog/3712/variable/F83/V6272?name=s1q1e Nigeria - COVID-19 National Longitudinal Phone Survey 2020-2021 phone survey nigeria covid national longitudinal https://www.dynage.uzh.ch/en/research/crosscutting/data-management.html Longitudinal Data Valorization | URPP Dynamics of Healthy Aging (2013-2024) | UZH longitudinal data healthy aging valorization dynamics https://researchconnect.buffalo.edu/en/publications/peer-and-partner-drinking-and-the-transition-to-marriage-a-longit/ Peer and partner drinking and the transition to marriage: A longitudinal examination of selection... https://pubmed.ncbi.nlm.nih.gov/40490534/ Author Correction: Sequential orthogonal assays for longitudinal and endpoint characterization of... Author Correction: Sequential orthogonal assays for longitudinal and endpoint characterization of three-dimensional spheroids author correction sequential orthogonal assays https://experts.arizona.edu/en/publications/longitudinal-effects-of-computer-mediated-communication-anxiety-o/ Longitudinal Effects of Computer-Mediated Communication Anxiety on Interaction in Virtual Teams -... https://ojp.gov/ncjrs/virtual-library/abstracts/it-important-examine-crime-trends-local-micro-level-longitudinal Is it Important to Examine Crime Trends at a Local "Micro" Level?: A Longitudinal Analysis of... https://pubmed.ncbi.nlm.nih.gov/36054435/ A longitudinal assessment of diabetes autoantibodies in the SEARCH for diabetes in youth study To assess changes in diabetes autoantibodies (DAs) over time in children and young adults with diabetes and determine whether observed changes were associated... https://cordis.europa.eu/project/id/716736/reporting/es Proving or improving yourself: longitudinal effects of ability beliefs on neural feedback... Latest report summary https://research.vu.nl/en/publications/cohort-profile-demographic-and-clinical-characteristics-of-the-mi-2/ Cohort profile: Demographic and clinical characteristics of the MILESTONE longitudinal cohort of... cohort profile demographic clinical characteristics milestone https://microdata.worldbank.org/index.php/catalog/3712/related-materials Nigeria - COVID-19 National Longitudinal Phone Survey 2020-2021 phone survey nigeria covid national longitudinal https://nces.ed.gov/use-work/dataset/20202022-beginning-postsecondary-students-longitudinal-study-bps2022-powerstats-and-data-file 2020/2022 Beginning Postsecondary Students Longitudinal Study (BPS:20/22) PowerStats and Data File... https://research.manchester.ac.uk/en/publications/the-effect-of-using-social-pressure-in-cover-letters-to-improve-r/datasets/ The effect of using social pressure in cover letters to improve retention in a longitudinal health... https://www.nllfs.org/ Home - NLLFS - National Longitudinal Lesbian Family Study NLLFS is the largest, longest-running prospective investigation of American lesbian mothers and their children lesbian family national longitudinal study https://nrc-publications.canada.ca/fra/voir/objet/?id=15264167-1722-4849-9d96-51e5ca432d0b Longitudinal conductivity in Si/SiGe heterostructure at integer filling factors - Archives des... Longitudinal conductivity in Si/SiGe heterostructure at integer filling factors https://podcasts.ox.ac.uk/index.php/two-perspectives-longitudinal-trends-food-consumption-case-denmark-1900-2000 Two Perspectives on the Longitudinal Trends in Food Consumption: The Case of Denmark 1900-2000 |... https://microdata.worldbank.org/catalog/4444/data-dictionary/F26?file_name=p2r5_sect_2.dta Nigeria - National Longitudinal Phone Survey 2021-2024 phone survey nigeria national longitudinal https://researchportalplus.anu.edu.au/en/publications/detecting-drivers-of-behavior-at-an-early-age-evidence-from-a-lon/ Detecting Drivers of Behavior at an Early Age: Evidence from a Longitudinal Field Experiment - The... https://openresearch.surrey.ac.uk/esploro/outputs/journalArticle/Autism-Spectrum-Disorder-and-Mental-Health/99731082902346 Autism Spectrum Disorder and Mental Health Problems: Patterns of Difficulties and Longitudinal... Mar 1, 2022 - There is increasing concern regarding additional psychiatric problems that co-occur with Autism Spectrum Disorder (ASD), as reflected in recent changes to... autism spectrum disorder mental health problems https://sled.osse.dc.gov/vPage/SchoolDirectory/298/91189?grda3d73920-e561-4c76-8832-25f8731fd1d8-sort=Telephone_Number-asc&grda3d73920-e561-4c76-8832-25f8731fd1d8-page=12 DC Statewide Longitudinal Education Data (SLED) The Office of the State Superintendent of Education (OSSE) is excited to launch its redesigned Statewide Longitudinal Education Data (SLED) website. This site... education data dc statewide longitudinal sled https://pubmed.ncbi.nlm.nih.gov/39253708/ Coccidioidomycosis seasonality in California: a longitudinal surveillance study of the climate... National Institutes of Health. in california of the coccidioidomycosis seasonality https://research.birmingham.ac.uk/en/publications/brain-surface-contraction-mapped-in-first-episode-schizophrenia-a/fingerprints/ Brain surface contraction mapped in first-episode schizophrenia: a longitudinal magnetic resonance... first episode https://www.unsw.edu.au/research/city-futures/our-research/projects/bonnyrigg-longitudinal-study Bonnyrigg longitudinal study bonnyrigg longitudinal study https://arxiv.org/abs/2604.12019 [2604.12019] A Framework for Longitudinal Health AI Agents Abstract page for arXiv paper 2604.12019: A Framework for Longitudinal Health AI Agents health ai framework longitudinal agents https://aisp.upenn.edu/resource-article/defining-modern-user-centered-state-longitudinal-data-system-design/ Defining Modern, User-Centered State Longitudinal Data System Design longitudinal data defining modern user centered