Environmental Studies

This chapter contains sections titled: Begin with the Lognormal Distribution in Environmental Studies Differences are More Symmetrical Know the Sample Space for Statements of Risk Beware of Pseudoreplication Think Beyond Simple Random Sampling Consider the Size of the Population Affected by Small Effects Statistical Models of Small Effects are Very Sensitive to Assumptions Distinguish Between Variability and Uncertainty Description of the Database is as Important as Its Data Always Assess the Statistical Basis for an Environmental Standard How a Standard is Measured Affects Policy, Enforcement, and Response Parametric Analyses Make Maximum Use of the Data Distinguish Between Confidence, Prediction, and Tolerance Intervals Statistics Plays a Key Role in Risk Assessment, Less in Risk Management Exposure Assessment is the Weak Link in Assessing Health Effects of Pollutants Assess the Errors in Calibration Due to Inverse Regression

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