Forecasting has always been at the forefront of decision making and planning. The
uncertainty that surrounds the future is both exciting and challenging, with individuals and …

When assessing causal effects, determining the target population to which the results are
intended to generalize is a critical decision. Randomized and observational studies each …

Surveys are a crucial tool for understanding public opinion and behaviour, and their
accuracy depends on maintaining statistical representativeness of their target populations …

The ABCD study is a new and ongoing project of very substantial size and scale involving
21 data acquisition sites. It aims to recruit 11,500 children and follow them for ten years with …

Asymptomatic SARS-CoV-2 infection and delayed implementation of diagnostics have led to
poorly defined viral prevalence rates in the United States and elsewhere. To address this …

SARS-CoV-2 is transmitted primarily through close, person-to-person interactions. Physical
distancing policies can control the spread of SARS-CoV-2 by reducing the amount of these …

" The level is appropriate for an upper-level undergraduate or graduate-level statistics major.
Sampling: Design and Analysis (SDA) will also benefit a non-statistics major with a desire to …

There is an ongoing debate in the survey research literature about whether and when
probability and nonprobability sample surveys produce accurate estimates of a larger …

ABCD is a longitudinal, observational study of US children, ages 9-10 at baseline, recruited
at random from the household populations in defined catchment areas for each of 21 study …

A ConVid-Pesquisa de Comportamentos foi realizada no Brasil de 24 de abril a 24 de maio
de 2020, com o objetivo de investigar as mudanças nos estilos de vida e nas condições de …