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A Frank Discussion About the Propagation of Measurement Uncertainty

Let’s face it. The claim of uncertainty is a common argument against taking action on any prediction of future harm. “How do you know, for sure?”. “That might not happen.” “It’s possible that it will be harmless”, etc. It takes on many forms, and it can be hard to argue against. Usually, it takes a lot more time, space, and effort to debunk the claims than it takes to make them in the first place.It even has a technical term: FUD. ....

United States , Patrick Frank , Bob Loblaw , Richard Muller , Meteorological Service Of Canada , Uncertainty Monster , Skeptical Science , Physicist Richard Muller , Berkeley Earth Surface Temperature , Correlated Error , Global Surface Air Temperature , Then There , Normal Curve , Root Mean Square Error , Mean Bias Error , Example Formulae , Has Frank , Meteorological Service , Global Warming , Climate Change , Co2 Emissions ,

Neighborhood 'Disamenities': local barriers and cognitive function among Black and white aging adults | BMC Public Health

This study examined the association between cognitive function and three neighborhood ‘disamenities’ that may pose local barriers to utilizing community resources and increase risk for cognitive decline. Using national data from 21,165 urban- and suburban-dwelling Black and white adults (mean age: 67 years) in the Reasons for Geographic and Racial Differences in Stroke (REGARDS) Study, we assessed global cognitive function through a factor score of five cognitive screening tests. General Additive Mixed Models (GAMM) tested whether residing in areas with more polluting sites, highways, and limited walkability was associated with worse cognitive function. Limited walkability and the presence of polluting sites had a significant negative association with cognitive function after controlling for individual and neighborhood factors. Neighborhood disamenities may be linked to cognitive function among aging residents. Identifying neighborhood factors that pose barriers to ac ....

United States , North Carolina , South Carolina , University Of Alabama At Birmingham , Environmental Protection Agency , Us Census Bureau , Geographic And Racial Differences , Stroke Belt , Birmingham Institutional Review Board , Disease Word List Learning , Word List Delay Recall , Animal Fluency Test , Letter Fluency Test , Montreal Cognitive Assessment , Root Mean Square Error , Comparative Fit Index , Supplementary Information , Release Inventory , Line Shapefiles , State Highway , County Highway , Rural Urban Commuting Area , Non Hispanic Black , Generalized Additive Mixed Models ,

Psychometric property and measurement invariance of internet addiction test: the effect of socio-demographic and internet use variables | BMC Public Health

According to the validation literature on items of Young’s Internet Addiction Test (IAT), this study rephrased disputable items to improve the psychometric properties of this Chinese version of IAT and identify the presence of differential item function (DIF) among demographic and Internet use factors; detect the effect of demographic and Internet use factors on IAT after adjusting for DIF. An online questionnaire was distributed to college students in Zhe Jiang province in two stage. The 1st phase study collected 384 valid responses to examine the quality of IAT items by using Rasch Model analysis and exploring factor analysis (EFA). The online questionnaire was modified according to the 1st phase study and distributed online for the 2nd phase study which collected a total of 1131 valid responses. The 2nd phase study applied confirmatory factor analysis (CFA) and a multiple indicator multiple causes (MIMIC) model to verify the construct of IAT, potential effect of covariates on ....

Wenzhou Vocational College Of Science Technology , Zhejiang Institute Of Mechanical Electrical Engineering , Zhejiang Yuying College Of Vocational , Hangzhou Vocational Technical College , Hangzhou Vocational , Technical College , Zhejiang Institute , Electrical Engineering , Wenzhou Vocational College , Zhejiang Yuying College , Internet Addiction Test , Nabuco De Abreu , Cronbach Alpha , Root Mean Square Error , Standardized Root Mean Square Residual , Comparative Fit Index , Tucker Lewis Index , Nonnormed Fit Index ,