侵蚀
发表于 2025-3-28 16:43:33
https://doi.org/10.1007/978-3-658-00835-2en introduce general epidemiological principles that health researchers should continuously keep in mind during the planning, gathering and presentation of the empirical evidence. All of these topics are pursued in more depth in the chapters that follow.
single
发表于 2025-3-28 19:44:05
Shelby McIntyre,Albert Bruno,Patrick Guerras of a study population, a sampled group of individuals who are intended to represent the target population of interest. To describe such empirical evidence, the frequency concepts of risk, rate, and odds are essential. The frequency of the outcome is often compared among different levels of exposur
愚蠢人
发表于 2025-3-29 00:23:54
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ANTE
发表于 2025-3-29 05:00:17
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成份
发表于 2025-3-29 10:42:36
Definition and Scope of Epidemiologyen introduce general epidemiological principles that health researchers should continuously keep in mind during the planning, gathering and presentation of the empirical evidence. All of these topics are pursued in more depth in the chapters that follow.
DALLY
发表于 2025-3-29 15:25:50
Basic Concepts in Epidemiologys of a study population, a sampled group of individuals who are intended to represent the target population of interest. To describe such empirical evidence, the frequency concepts of risk, rate, and odds are essential. The frequency of the outcome is often compared among different levels of exposur
镇压
发表于 2025-3-29 18:42:18
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Commission
发表于 2025-3-29 22:27:54
Study Size Planninger begins with an exploration of various factors that contribute to optimal study size. We then briefly review some useful sample size calculations in the contexts of surveys, cohort studies, case–control studies, and randomized trials.
高兴去去
发表于 2025-3-30 01:59:33
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SPER
发表于 2025-3-30 06:28:31
The Quality Assurance and Control Planf QC is to achieve optimal data quality. In this chapter we outline QC methods and tools, prime among them being the monitoring of measurement error and other factors that could bias the statistical results of a study.