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The Impact of COVID-19 on Students' Marks: A Bayesian Hierarchical Modeling Approach. COVID-19对学生分数的影响：贝叶斯层次建模法
IF 0.8
Metron-International Journal of Statistics Pub Date : 2021-01-01 Epub Date: 2021-02-17 DOI: 10.1007/s40300-021-00200-1
Jabed Tomal, Saeed Rahmati, Shirin Boroushaki, Lingling Jin, Ehsan Ahmed
{"title":"The Impact of COVID-19 on Students' Marks: A Bayesian Hierarchical Modeling Approach.","authors":"Jabed Tomal, Saeed Rahmati, Shirin Boroushaki, Lingling Jin, Ehsan Ahmed","doi":"10.1007/s40300-021-00200-1","DOIUrl":"10.1007/s40300-021-00200-1","url":null,"abstract":"<p><p>Due to COVID-19, universities across Canada were forced to undergo a transition from classroom-based face-to-face learning and invigilated assessments to online-based learning and non-invigilated assessments. This study attempts to empirically measure the impact of COVID-19 on students' marks from eleven science, technology, engineering, and mathematics (STEM) courses using a Bayesian linear mixed effects model fitted to longitudinal data. The Bayesian linear mixed effects model is designed for this application which allows student-specific error variances to vary. The novel Bayesian missing value imputation method is flexible which seamlessly generates missing values given complete data. We observed an increase in overall average marks for the courses requiring lower-level cognitive skills according to Bloom's Taxonomy and a decrease in marks for the courses requiring higher-level cognitive skills, where larger changes in marks were observed for the underachieving students. About half of the disengaged students who did not participate in any course assessments after the transition to online delivery were in special support.</p>","PeriodicalId":51716,"journal":{"name":"Metron-International Journal of Statistics","volume":"79 1","pages":"57-91"},"PeriodicalIF":0.8,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7887420/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"25389000","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Robust functional principal components for sparse longitudinal data 稀疏纵向数据的鲁棒函数主成分
IF 0.8
Metron-International Journal of Statistics Pub Date : 2020-12-02 DOI: 10.1007/s40300-020-00193-3
G. Boente, M. Salibian-Barrera
{"title":"Robust functional principal components for sparse longitudinal data","authors":"G. Boente, M. Salibian-Barrera","doi":"10.1007/s40300-020-00193-3","DOIUrl":"https://doi.org/10.1007/s40300-020-00193-3","url":null,"abstract":"","PeriodicalId":51716,"journal":{"name":"Metron-International Journal of Statistics","volume":"79 1","pages":"159 - 188"},"PeriodicalIF":0.8,"publicationDate":"2020-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1007/s40300-020-00193-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41448923","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 11
The Kruskal–Wallis tests are Cochran–Mantel–Haenszel mean score tests Kruskal-Wallis测试是Cochran-Mantel-Haenszel平均分数测试
IF 0.8
Metron-International Journal of Statistics Pub Date : 2020-11-10 DOI: 10.1007/s40300-020-00192-4
J. Rayner, G. Livingston
{"title":"The Kruskal–Wallis tests are Cochran–Mantel–Haenszel mean score tests","authors":"J. Rayner, G. Livingston","doi":"10.1007/s40300-020-00192-4","DOIUrl":"https://doi.org/10.1007/s40300-020-00192-4","url":null,"abstract":"","PeriodicalId":51716,"journal":{"name":"Metron-International Journal of Statistics","volume":"78 1","pages":"353 - 360"},"PeriodicalIF":0.8,"publicationDate":"2020-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1007/s40300-020-00192-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47684641","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
Brq: an R package for Bayesian quantile regression Brq:贝叶斯分位数回归的R包
IF 0.8
Metron-International Journal of Statistics Pub Date : 2020-10-27 DOI: 10.1007/s40300-020-00190-6
Rahim Alhamzawi, Haithem Taha Mohammad Ali
{"title":"Brq: an R package for Bayesian quantile regression","authors":"Rahim Alhamzawi, Haithem Taha Mohammad Ali","doi":"10.1007/s40300-020-00190-6","DOIUrl":"https://doi.org/10.1007/s40300-020-00190-6","url":null,"abstract":"","PeriodicalId":51716,"journal":{"name":"Metron-International Journal of Statistics","volume":"78 1","pages":"313 - 328"},"PeriodicalIF":0.8,"publicationDate":"2020-10-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1007/s40300-020-00190-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42850687","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 20
Bayesian estimation for threshold autoregressive model with multiple structural breaks 多结构断裂阈值自回归模型的贝叶斯估计
IF 0.8
Metron-International Journal of Statistics Pub Date : 2020-10-23 DOI: 10.1007/s40300-020-00188-0
V. Agiwal, Jitendra Kumar
{"title":"Bayesian estimation for threshold autoregressive model with multiple structural breaks","authors":"V. Agiwal, Jitendra Kumar","doi":"10.1007/s40300-020-00188-0","DOIUrl":"https://doi.org/10.1007/s40300-020-00188-0","url":null,"abstract":"","PeriodicalId":51716,"journal":{"name":"Metron-International Journal of Statistics","volume":"78 1","pages":"361 - 382"},"PeriodicalIF":0.8,"publicationDate":"2020-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1007/s40300-020-00188-0","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47888840","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Robust estimation for multivariate wrapped models 多元包裹模型的鲁棒估计
IF 0.8
Metron-International Journal of Statistics Pub Date : 2020-10-16 DOI: 10.1007/s40300-021-00214-9
G. Saraceno, C. Agostinelli, L. Greco
{"title":"Robust estimation for multivariate wrapped models","authors":"G. Saraceno, C. Agostinelli, L. Greco","doi":"10.1007/s40300-021-00214-9","DOIUrl":"https://doi.org/10.1007/s40300-021-00214-9","url":null,"abstract":"","PeriodicalId":51716,"journal":{"name":"Metron-International Journal of Statistics","volume":"79 1","pages":"225 - 240"},"PeriodicalIF":0.8,"publicationDate":"2020-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1007/s40300-021-00214-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46325699","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Sensitivity of inequality measures considering regressive transfers with fixed relative income distance 考虑固定相对收入距离的回归转移的不平等测度敏感性
IF 0.8
Metron-International Journal of Statistics Pub Date : 2020-10-09 DOI: 10.1007/s40300-020-00189-z
R. Hoffmann, D. C. Botassio
{"title":"Sensitivity of inequality measures considering regressive transfers with fixed relative income distance","authors":"R. Hoffmann, D. C. Botassio","doi":"10.1007/s40300-020-00189-z","DOIUrl":"https://doi.org/10.1007/s40300-020-00189-z","url":null,"abstract":"","PeriodicalId":51716,"journal":{"name":"Metron-International Journal of Statistics","volume":"78 1","pages":"279 - 296"},"PeriodicalIF":0.8,"publicationDate":"2020-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1007/s40300-020-00189-z","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42513194","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Clustering non-linear interactions in factor analysis 因子分析中的非线性交互作用聚类
IF 0.8
Metron-International Journal of Statistics Pub Date : 2020-09-17 DOI: 10.1007/s40300-020-00186-2
Erick da Conceição Amorim, V. D. Mayrink
{"title":"Clustering non-linear interactions in factor analysis","authors":"Erick da Conceição Amorim, V. D. Mayrink","doi":"10.1007/s40300-020-00186-2","DOIUrl":"https://doi.org/10.1007/s40300-020-00186-2","url":null,"abstract":"","PeriodicalId":51716,"journal":{"name":"Metron-International Journal of Statistics","volume":"78 1","pages":"329 - 352"},"PeriodicalIF":0.8,"publicationDate":"2020-09-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1007/s40300-020-00186-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46003539","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
On general asymptotically second-order efficient purely sequential fixed-width confidence interval (FWCI) and minimum risk point estimation (MRPE) strategies for a normal mean and optimality 正态均值和最优性的一般渐近二阶有效纯序列定宽置信区间(FWCI)和最小风险点估计(MRPE)策略
IF 0.8
Metron-International Journal of Statistics Pub Date : 2020-09-16 DOI: 10.1007/s40300-020-00187-1
N. Mukhopadhyay, Srawan Kumar Bishnoi
{"title":"On general asymptotically second-order efficient purely sequential fixed-width confidence interval (FWCI) and minimum risk point estimation (MRPE) strategies for a normal mean and optimality","authors":"N. Mukhopadhyay, Srawan Kumar Bishnoi","doi":"10.1007/s40300-020-00187-1","DOIUrl":"https://doi.org/10.1007/s40300-020-00187-1","url":null,"abstract":"","PeriodicalId":51716,"journal":{"name":"Metron-International Journal of Statistics","volume":"78 1","pages":"383 - 409"},"PeriodicalIF":0.8,"publicationDate":"2020-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1007/s40300-020-00187-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41835518","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Stochastic dominance relations for generalised parametric distributions obtained through composition 合成广义参数分布的随机优势关系
IF 0.8
Metron-International Journal of Statistics Pub Date : 2020-08-27 DOI: 10.1007/s40300-020-00184-4
T. Lando, L. Bertoli-Barsotti
{"title":"Stochastic dominance relations for generalised parametric distributions obtained through composition","authors":"T. Lando, L. Bertoli-Barsotti","doi":"10.1007/s40300-020-00184-4","DOIUrl":"https://doi.org/10.1007/s40300-020-00184-4","url":null,"abstract":"","PeriodicalId":51716,"journal":{"name":"Metron-International Journal of Statistics","volume":"78 1","pages":"297 - 311"},"PeriodicalIF":0.8,"publicationDate":"2020-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1007/s40300-020-00184-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43451864","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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