Showing 21 - 40 results of 1,412 for search 'conducted sample variance', query time: 0.11s Refine Results
  1. 21

    A validity and reliability study of the citizenship fatigue scale in a Turkish sample by Hanife Tiryaki Sen, Şehrinaz Polat, Mesut Karaman, Dilek Özdemir

    Published 2025-06-01
    “…It is recommended that the scales be tested on samples from different occupational groups to further assess their applicability and generalizability. …”
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    Article
  2. 22

    Homeostaticity of the collection samples of soybeans according to the trait “seed weight per plant” by A. R. Ashiev, M. V. Skulova, A. V. Chegunova

    Published 2020-10-01
    “…The current paper has presented the study results on the homeostaticity of the collection samples of soybeans according to the trait “seed weight per plant” in the southern part of the Rostov region, conducted on the fields of the FSBSI “Agricultural Research Center “Donskoy” in 2017-2019. …”
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  3. 23

    Depression and the risk of fibromyalgia syndrome: a two-sample Mendelian randomization study by Xiaoshan Ma, Jing Sun, Ren Geng, Yao Zhao, Wanzhen Xu, Yining Jiang, Liyan Zhao, Yunqian Li

    Published 2024-11-01
    “…Previous studies have indicated a correlation between depression and the risk of FM; however, it remains uncertain whether this association reflects a causal relationship.MethodsWe evaluated the etiological association between the genetically predicted depression and the risk of developing FM by conducting a two-sample Mendelian Randomization (MR) study. …”
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  4. 24

    Novel efficient estimators of finite population mean in stratified random sampling with application by Khazan Sher, Muhammad Ameeq, Muhammad Muneeb Hassan, Basem A. Alkhaleel, Sidra Naz, Olyan Albalawi

    Published 2025-03-01
    “…However, once auxiliary information is accessible, biased estimators with smaller Mean Square Error (MSE) often outperform unbiased estimators that have large variances. We sought to develop new estimators that incorporate a single auxiliary variable in stratified random sampling. …”
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  5. 25

    A Comparative Study of the Availability of Electric Buses in the Public Transport System by Andrzej Niewczas, Łukasz Mórawski, Ewa Dębicka, Joanna Rymarz, Dariusz Kasperek, Piotr Hołyszko

    Published 2025-01-01
    “…Over a period of 33 months, the availability of electric buses and diesel buses was tested in a sample of 18 vehicles for each type of bus. Availability indices were compared using the method of variance analysis. …”
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  6. 26

    How to improve forest biodiversity management by comparing broad-scale stands' structural spatial heterogeneity between two forests by Elias Milios, Kyriachi Kitikidou

    Published 2025-06-01
    “… This article aims to propose a methodological approach to the determination of differences in structural spatial heterogeneity between two different forests, exhibiting differences in some characteristics. By comparing the variances of the Gini-Simpson index values calculated from diameter at breast height (DBH) or tree height distributions in randomly sampled plots, structural differences can be effectively quantified. …”
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    Relationship between the Health Literacy and Intention to Conduct Diabetes Testing in At-risk Individuals using the Theory of Planned Behavior by Narges Abdolmaleki, Afshin Bahmani, Sayran Nili, Arezoo Fallahi

    Published 2024-10-01
    “…Methods: The present study was a cross-sectional descriptive research conducted in 2024. A total of 282 at-risk individuals eligible for inclusion in the study were selected to participate in the survey using a multi-stage random sampling method. …”
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  9. 29

    Polygenic risk score prediction accuracy convergence by Léo Henches, Jihye Kim, Zhiyu Yang, Simone Rubinacci, Gabriel Pires, Clara Albiñana, Christophe Boetto, Hanna Julienne, Arthur Frouin, Antoine Auvergne, Yuka Suzuki, Sarah Djebali, Olivier Delaneau, Andrea Ganna, Bjarni Vilhjálmsson, Florian Privé, Hugues Aschard

    Published 2025-07-01
    “…Theoretically, the variance explained by PRS can be as high as the total additive genetic variance, but it is unclear how much of that variance has already been captured by PRS. …”
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  10. 30

    Psychometric properties of the Chinese version physical literacy assessment questionnaire among high school students in Gansu, China by Zilu Qu, Jiarun Wu, Yee Cheng Kueh, Dongqing Ye, Garry Kuan

    Published 2025-04-01
    “…Construct validity was evaluated through composite reliability (CR), average variance extracted (AVE), and factor correlations. …”
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  11. 31

    Psychological capital as a moderator between personality traits and flourishing in the sample of Lithuanian employees by Aiste Dirzyte, Kornelija Dovydaitytė, Aleksandras Patapas, Zilvinas Zidonis

    Published 2025-03-01
    “…Together, these traits explained 68.5% of the variance in flourishing. Examining psychological capital, extraversion, agreeableness, and openness emerged as positive predictors, while neuroticism was a negative predictor, accounting for 47.9% of the variance. …”
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  12. 32

    Association between erythritol and lung cancer: a two-sample Mendelian randomization study by Yongsheng Zhao, Renyan Zheng, Kexin Luo, Haiyang Zhao, Wanping Xiang

    Published 2025-04-01
    “…We conducted independent two-sample MR analyses to assess the causation between erythritol and LC and its subtypes. …”
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  13. 33

    Analysis of locus estimates of allelic diversity of STR markers in a sample of breeding bulls by V. M. Kuznetsov

    Published 2023-11-01
    “…The second accounted for 35.8 % of the total variance, had the highest loads in inter-breed differentiation data and was defined as a «beta component». 2D-PCA-ordination showed that a characteristic grouping of loci took place for the analyzed breeds (samples), loci and measures of diversity. …”
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  14. 34

    A validity and reliability study of the performance appraisal motivation scale in a Turkish sample by Şehrinaz Polat, Gülcan Taşkıran Eskici, Hanife Tiryaki Şen

    Published 2025-08-01
    “…Methods The study was conducted across various healthcare institutions in Türkiye. …”
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  15. 35

    The Causal Relationship between Angina Pectoris and Gout Based on Two Sample Mendelian Randomization by Jian Xiong, Yuxin Sun, Hui Huang, Yu Liu, Fayang Ling, Yin Wei, Qianhua Zheng, Wenchuan Qi, Fanrong Liang

    Published 2024-01-01
    “…SNPs closely associated with angina pectoris onset were screened from the FINN dataset (finn-b-I9_ANGINA) as outcome variables. Two-sample MR was conducted, with inverse variance weighting (IVW) of the random effects model as the primary result, along with the weighted median method (WME) and the MR-Egger regression method. …”
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    Cross-Cultural adaptation and validation of adolescent menstrual bleeding questionnaire in a Turkish sample by Melike Punduk Yilmaz, Ismail Yilmaz, Iclal Ilknur Ozdemir, Selma Dagci, Filiz Yarsilikal Guleroglu, Ali Cetin

    Published 2025-07-01
    “…For validity assessment, the sample was randomly split into two subsets for exploratory (n = 91) and confirmatory (n = 90) factor analyses, with convergent validity testing and known-groups comparison. …”
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    Association between myopia and diabetic retinopathy: A two-sample mendelian randomization study by Jinyi Xu, Shengsong Xu, Xiao Wang, Chuqi Xiang, Zhenbang Ruan, Mingxin Lu, Liying He, Yin Hu, Xiao Yang

    Published 2025-02-01
    “…This study aimed to investigate the causal associations of genetically determined myopia with DR, and further explore specific mechanisms. Methods: We conducted two-sample mendelian randomization (MR) analyses of any myopia and high myopia on six DR phenotypes, including any DR, background DR, severe background DR, proliferative DR (PDR), diabetic maculopathy and unspecific DR in the primary study. …”
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  20. 40

    The Association between Myopia and Anxiety: A Bidirectional 2-Sample Mendelian Randomization Study by Waihang Wong, MD, Yimin Qin, MD, Chi Liu, PhD, Shiran Zhang, PhD, Yu Jiang, PhD, Yangfa Zeng, MD, Decai Wang, PhD, Lingyi Liang, PhD, Xiaotong Han, PhD

    Published 2025-09-01
    “…Methods: Summary-level data from the 2 genome-wide association studies were used to conduct bidirectional MR analyses. Four MR methodologies—inverse variance weighted (IVW), MR-Egger regression, weighted median, and weighted mode—were employed, with IVW serving as the primary analysis. …”
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