Showing 1,421 - 1,440 results of 18,849 for search 'sample random sampling.', query time: 0.19s Refine Results
  1. 1421

    Cost-effective approaches for microplastic pellets characterization using a machine learning tool by V.M. Scarrica, P. Cocozza, G. Anfuso, A. Staiano, G. Bonifazi, A. Rizzo, S. Serranti

    Published 2025-12-01
    “…The method was tested on different pellet samples collected from the coasts of Spain, Portugal and Vulcano Island (Italy). …”
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  2. 1422

    Significant associations between high-risk sexual behaviors and enterotypes of gut microbiome in HIV-negative men who have sex with men by Kangjie Li, Xinjing Liu, Xiaohua Zhong, Haijiao Zeng, Tian Liu, Bing Lin, Pinyi Chen, Biao Xie, Xiaoni Zhong

    Published 2025-07-01
    “…HIV-negative MSM were recruited in this study. Fecal samples of the participants were collected and subjected to 16S rRNA gene sequencing. …”
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  3. 1423

    The effect of interactive game therapy with the Theraplay model on students' sleep quality: A randomized control trial by Atefeh Jorabian, Rozita Kaviani, Maryam Shirdel, Faezeh Miri

    Published 2024-06-01
    “…The study employed a simple random sampling technique, subsequently dividing the participants with random allocation into two distinct groups: a control group and an intervention group, each comprising 30 individuals. …”
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  4. 1424

    Sleep reduces CSF concentrations of beta-amyloid and tau: a randomized crossover study in healthy adults by Tim Lyckenvik, Martin Olsson, My Forsberg, Pontus Wasling, Henrik Zetterberg, Jan Hedner, Eric Hanse

    Published 2025-08-01
    “…Methods Twelve healthy adults (aged 20–40 years) underwent CSF sampling following three controlled sleep conditions in a randomized crossover design; (1) one night of sleep followed by afternoon CSF sampling, (2) one night of sleep followed by morning CSF sampling, and (3) one night of total sleep deprivation followed by morning CSF sampling. …”
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  5. 1425

    A Universal Digital Stress Management Intervention for Employees: Randomized Controlled Trial with Health-Economic Evaluation by Johanna Freund, Filip Smit, Dirk Lehr, Anna-Carlotta Zarski, Matthias Berking, Heleen Riper, Burkhardt Funk, David Daniel Ebert, Claudia Buntrock

    Published 2024-10-01
    “…MethodsRecruitment was directed at the German working population. A sample of 396 employees was randomly assigned to the intervention group (n=198) or the waitlist control condition (WLC) group (n=198). …”
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  6. 1426

    Dietary factors and oral cancer risk: a comprehensive Mendelian randomization analysis in a European population by Shiyang Zhao, Xichen Liu, Qingsen Wang, Shudong Xiao, Wanting Wang, Xinyue Dong, Yourong Jiang, Wen Wu

    Published 2025-04-01
    “…Therefore, in this study, we performed two-sample Mendelian randomization (MR) analyses to estimate the associations of specific diets with the risk of oral cavity cancer (OCC). …”
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  7. 1427

    Evaluating the causal effects between Grave’s disease and diabetes mellitus: a bidirectional Mendelian randomization study by Yuhan Zhang, Yuhan Zhang, Yuhan Zhang, Liuxiang Fu

    Published 2024-11-01
    “…To investigate the causality between GD and Diabetes mellitus (DM), we designed bidirectional two-sample Mendelian randomization (MR) and multivariable MR (MVMR) studies.MethodsSingle-nucleotide polymorphisms (SNPs) associated with GD, thyroid peroxidase (TPO), thyroglobulin (Tg), thyroid-stimulating hormone (TSH), type 1 diabetes (T1D), and type 2 diabetes (T2D) were obtained from the IEU Open GWAS and FinnGen biobank databases. …”
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  8. 1428
  9. 1429

    The effect of yoga and aerobic exercise on children’s physical activity in rural India: a randomized controlled trial by Tarun Reddy Katapally, Jamin Patel, Sheriff Tolulope Ibrahim, Sonal Kasture, Anuradha Khadilkar, Jasmin Bhawra

    Published 2025-07-01
    “…Methods The study utilized secondary data from a randomized, controlled, open-labelled, single-center, two-site, parallel-group trial. …”
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  10. 1430

    At-School Telerehabilitation for Rett Syndrome: Support Teachers Driving Cognitive and Communication Progress in a Randomized Trial by Rosa Angela Fabio, Samantha Giannatiempo, Michela Perina

    Published 2025-07-01
    “…Given the limited sample size and absence of qualitative measures, further research is necessary to validate its effectiveness and understand its role within comprehensive care models.…”
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  11. 1431

    Does uveitis increase the risk of age-related wet macular degeneration? A Mendelian randomization study by Rui-Hua Jing, Deng-Ke Zhou, Zhuo-Yan Yang, Zhao-Dan Ding, Jia-Hui Deng, Yao Xing, Xiao-Feng Chen

    Published 2025-08-01
    “…AIM: To use two-sample Mendelian randomization (MR) method to study uveitis causal association with wet age-related macular degeneration (wAMD) risk from the genetic level. …”
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    Article
  12. 1432

    Association between circulating Klotho levels and hypertension: insights from NHANES, Mendelian randomization, and an Asian cohort by Yu Fu, Mengling Peng, He Cai, Yaoting Zhang, Bing Li, Yang Zheng

    Published 2025-12-01
    “…To assess potential causality, a two-sample Mendelian randomization (MR) analysis was conducted using the inverse-variance weighted (IVW) method. …”
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  13. 1433

    Effectiveness of scapular retraction exercises and kinesio taping in individuals with protracted shoulders: A randomized control trial by Divya Gohil, Mokshi Koul, Gaurang Baxi

    Published 2024-07-01
    “…MATERIALS AND METHODS: After ethical approval, 30 subjects with protracted shoulders in the age group of 18–24 years were selected by simple random sampling, and randomly divided into two groups. …”
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  14. 1434

    Assessing the causal association between 731 immunophenotypes and the risk of colorectal cancer: a Mendelian randomization study by Fei Gao, Qiaoli Zhang, Fei Teng, Liling Li, Honglin Jiang, Wenna Li, Chenxi Hu, Zhongwen Lu, Yuxiang Wan, Jinchang Huang

    Published 2025-02-01
    “…However, the causal relationship between immune phenotypes and CRC remains elusive. Hence, this two-sample Mendelian randomization (MR) study aimed to explore the causal association. …”
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  15. 1435

    Current landscape of dyslipidemia-related randomized clinical trials registered on the International Clinical Trials Registry Platform by Ling Pei, Ling Pei, Muzhen Su, Reyihannisha Yakeya, Zhaoqian Hu, Aikedan Abudurexiti, Xiaochan Lin, Xiaochan Lin, Hongmei Zhao, Gulisitan Abudourexiti, Abudulimu Sidike, Xiaoli Li

    Published 2025-05-01
    “…The majority of the RCTs included adults (91.4%), with a median sample size of 93 (50–229), and 92.9% of these trials had no sex-based enrollment restrictions. …”
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  16. 1436

    Manipulative Treatment of Myofascial Pain Syndrome: A Network Meta-Analysis Based on Randomized Controlled Trials by Chen J, Yin L, Hu Q, Liu S, Zeng L

    Published 2025-04-01
    “…Owing to issues such as uneven methodological quality and the small sample size of the included studies, further high-quality multicenter, large-sample, randomized double-blind controlled trials are required to verify the reliability of this conclusion.Keywords: comparative effectiveness research, musculoskeletal manipulations, myofascial pain syndromes, network meta-analysis, systematic review…”
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  17. 1437

    Study protocol of a cluster randomized controlled trial on oral health promotion programs for adolescents in Iran by Mohamad Reza Khami, Katayoun Sargeran, Fatemesadat Seyedzadeghomi

    Published 2025-07-01
    “…A multilevel intervention based on the PRECEDE-PROCEED model will target students aged 13–15 years across 18 schools in Southern Tehran, Iran. This randomized controlled trial is being conducted using multistage random sampling, 435 students in grades 7–9 will be divided into three groups: Comprehensive Intervention (CI), Less Comprehensive Intervention (LCI), and a control group. …”
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  18. 1438

    The associations between circulating amino acids and arterial aneurysms and dissection: A bidirectional Mendelian randomization study by Xiaodong Li, Yarong Ma, Qiulin Jiang, Huizhi Zhan, Xiaolei Sun

    Published 2025-06-01
    “…The present study investigated the causal relationship between circulating amino acid levels and arterial aneurysms and dissection via bidirectional two-sample Mendelian randomization (MR). Methods: A bidirectional two-sample MR analysis was used. …”
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  19. 1439

    Short-Form Video Informed Consent Compared With Written Consent for Adolescents and Young Adults: Randomized Experiment by Aliyyat Afolabi, Elaine Cheung, Joanne Chen Lyu, Pamela M Ling

    Published 2024-11-01
    “…ResultsIn total, 435 cases comprised the final analytic sample (video: n=215, 49.4%; written: n=220, 50.6%). …”
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  20. 1440

    The effect of biography intervention on the ageism of Coronary Care Unit (CCU) nurses: a Randomized Clinical Trial by Melika BagheriAzad, Nayyereh Davoudi, Vahid Ghavami, Fatemeh Esmaelzadeh

    Published 2025-07-01
    “…Participants were selected through convenience sampling, and hospitals were randomly assigned as intervention and control groups. …”
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