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Quantifying Uncertainty in Net Primary Production Measurements

Mark E. Harmon, Donald L. Phillips, John J. Battles, Andrew Rassweiler, Robert O. Hall Jr., and William K. Lauenroth

in Principles and Standards for Measuring Primary Production

Published in print:
2007
Published Online:
September 2007
ISBN:
9780195168662
eISBN:
9780199790128
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195168662.003.0012
Subject:
Biology, Ecology

Because primary production usually is estimated from several variables that are themselves subject to error in measurement, these errors propagate as the variables are combined mathematically. ... More


Principles of Exposure Measurement in Epidemiology: Collecting, Evaluating, and Improving Measures of Disease Risk Factors

Emily White, Bruce K. Armstrong, and Rodolfo Saracci

Published in print:
2008
Published Online:
September 2009
ISBN:
9780198509851
eISBN:
9780191723827
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198509851.001.0001
Subject:
Public Health and Epidemiology, Public Health, Epidemiology

The accurate measurement of exposure to putative causes of disease is essential to the validity of epidemiologic research. This book covers general principles and methods that can be applied to ... More


Correction for the Effects of Measurement Error

Walter Willett

in Nutritional Epidemiology

Published in print:
1998
Published Online:
September 2009
ISBN:
9780195122978
eISBN:
9780199864249
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195122978.003.12
Subject:
Public Health and Epidemiology, Public Health, Epidemiology

This chapter addresses the effect of measurement error in epidemiologic studies and statistical methods to compensate for measurement error. Topics covered include types of error, correction of ... More


4. Covariate measurement errors in nutritional epidemiology: effects and remedies

David Clayton and Caroline Gill

in Design Concepts in Nutritional Epidemiology

Published in print:
1997
Published Online:
September 2009
ISBN:
9780192627391
eISBN:
9780191723704
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780192627391.003.0004
Subject:
Public Health and Epidemiology, Public Health, Epidemiology

The key problem in epidemiological studies is the identification of relevant exposures and outcomes, and the relationship (and error modelling) between observed and relevant measures, and between ... More


Error in Variables

Manuel Arellano

in Panel Data Econometrics

Published in print:
2003
Published Online:
July 2005
ISBN:
9780199245284
eISBN:
9780191602481
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/0199245282.003.0004
Subject:
Economics and Finance, Econometrics

This chapter analyses the standard regression model with errors in variables. It covers measurement error bias and unobserved heterogeneity bias, instrumental variable estimation with panel data. It ... More


Reliability

Neil Abell, David W. Springer, and Akihito Kamata

in Developing and Validating Rapid Assessment Instruments

Published in print:
2009
Published Online:
September 2009
ISBN:
9780195333367
eISBN:
9780199864300
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195333367.003.0004
Subject:
Social Work, Research and Evaluation

This chapter provides a theoretical overview of reliability, as well as pragmatic considerations in establishing different types of reliability. To illustrate key points, it draws from two scales: ... More


Measuring Advertising Productivity

Sharan Jagpal

in Fusion for Profit: How Marketing and Finance Can Work Together to Create Value

Published in print:
2008
Published Online:
September 2008
ISBN:
9780195371055
eISBN:
9780199870745
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195371055.003.0014
Subject:
Business and Management, Marketing

This chapter begins by evaluating methods for determining how productive the firm's aggregate advertising spending is in both the short and long runs. Following this, it analyzes methods for ... More


Macroeconomics and Microeconomics

Angus Deaton

in Understanding Consumption

Published in print:
1992
Published Online:
November 2003
ISBN:
9780198288244
eISBN:
9780191596131
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/0198288247.003.0005
Subject:
Economics and Finance, Macro- and Monetary Economics

Reviews the large econometric literature that uses micro data to test the theory of intertemporal allocations and finds it inconclusive. The empirical work that is reviewed focuses on the permanent ... More


Correction for the Effects of Measurement Error

Walter Willett

in Nutritional Epidemiology

Published in print:
2012
Published Online:
January 2013
ISBN:
9780199754038
eISBN:
9780199979448
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199754038.003.0012
Subject:
Public Health and Epidemiology, Epidemiology, Public Health

This chapter focuses on the effect of measurement error in epidemiologic studies and statistical methods to compensate for measurement error. The discussion covers the types of errors; the correction ... More


Interpreting Epidemiologic Evidence: Strategies for Study Design & Analysis

David A. Savitz

Published in print:
2003
Published Online:
September 2009
ISBN:
9780195108408
eISBN:
9780199865765
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195108408.001.0001
Subject:
Public Health and Epidemiology, Public Health, Epidemiology

This book offers a strategy for assessing epidemiologic research findings. Specific tools for assessing the presence and impact of selection bias in both cohort and case-control studies, bias from ... More


Working with roots

Christopher G. Small and Jinfang Wang

in Numerical Methods for Nonlinear Estimating Equations

Published in print:
2003
Published Online:
September 2007
ISBN:
9780198506881
eISBN:
9780191709258
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198506881.003.0004
Subject:
Mathematics, Probability / Statistics

This chapter studies the broad class of models which have difficult problems of nonlinearity and multiple roots. These models include the mixture models, a model for bivariate normal paired data with ... More


The Dynamics of Poverty, Deprivation, and Economic Vulnerability

Brian Nolan and Christopher T. Whelan

in Poverty and Deprivation in Europe

Published in print:
2011
Published Online:
January 2012
ISBN:
9780199588435
eISBN:
9780191731327
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199588435.003.0009
Subject:
Economics and Finance, Public and Welfare, Development, Growth, and Environmental

Recent studies of poverty dynamics have shown the importance of taking measurement errors into account and employing explicit models of poverty dynamics. This chapter applies such approaches to ... More


Income over Time: Measurement Issues

Stephen P. Jenkins

in Changing Fortunes: Income Mobility and Poverty Dynamics in Britain

Published in print:
2011
Published Online:
September 2011
ISBN:
9780199226436
eISBN:
9780191728457
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199226436.003.0002
Subject:
Economics and Finance, Financial Economics, Macro- and Monetary Economics

This chapter discusses how economic well-being should be measured when the perspective is a longitudinal one. Topics addressed include the relative merits of income and consumption expenditure, the ... More


Design Concepts in Nutritional Epidemiology

Barrie M. Margetts and Michael Nelson (eds)

Published in print:
1997
Published Online:
September 2009
ISBN:
9780192627391
eISBN:
9780191723704
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780192627391.001.0001
Subject:
Public Health and Epidemiology, Public Health, Epidemiology

This book provides a practical guide to the understanding, interpretation, and application of the principles of nutritional epidemiology, set in the context of public health nutrition. Relating ... More


Reliability and Measurement Error

Brian E. Perron and David F. Gillespie

in Key Concepts in Measurement

Published in print:
2015
Published Online:
April 2015
ISBN:
9780199855483
eISBN:
9780190235963
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199855483.003.0004
Subject:
Social Work, Research and Evaluation

Reliability is the degree to which measurements are free from error, making reliability inversely related to error. Reliability goes hand-in-hand with validity, as any reputable introductory research ... More


Econometric Modelling of the Aggregate Time‐Series Relationship Between Consumers' Expenditure and Income in the United Kingdom

David F. Hendry, J. E. H. Davidson, F. Srba, and S. Yeo

in Econometrics: Alchemy or Science?: Essays in Econometric Methodology

Published in print:
2000
Published Online:
November 2003
ISBN:
9780198293545
eISBN:
9780191596391
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/0198293542.003.0009
Subject:
Economics and Finance, Econometrics

Simple time‐series representations dominated quarterly permanent‐income/life‐cycle models of consumption in fit and predictive accuracy. However, an ‘error‐correction’model (ECM, using the log ... More


10. Anthropometric measures

Stanley J. Ulijaszek

in Design Concepts in Nutritional Epidemiology

Published in print:
1997
Published Online:
September 2009
ISBN:
9780192627391
eISBN:
9780191723704
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780192627391.003.0010
Subject:
Public Health and Epidemiology, Public Health, Epidemiology

Anthropometric measures play a dual role in nutritional epidemiology, as measures of exposure and measures of outcome. General problems associated with anthropometric measurement are discussed, ... More


6. Assessment of food consumption and nutrient intake

Michael Nelson and Sheila A. Bingham

in Design Concepts in Nutritional Epidemiology

Published in print:
1997
Published Online:
September 2009
ISBN:
9780192627391
eISBN:
9780191723704
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780192627391.003.0006
Subject:
Public Health and Epidemiology, Public Health, Epidemiology

This chapter takes a comprehensive look at the techniques, strengths, and weaknesses of approaches to estimating food consumption and nutrient intake at the household and individual level. At the ... More


Avoiding Information Bias in Exposure Assessment

Haroutune K. Armenian

in The Case-Control Method: Design and Applications

Published in print:
2009
Published Online:
September 2009
ISBN:
9780195187113
eISBN:
9780199864898
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195187113.003.0004
Subject:
Public Health and Epidemiology, Public Health, Epidemiology

This chapter distinguishes between the effects of differential and non-differential measurement error in exposure measurement in case-control studies, while presenting various methods, instruments ... More


Measurement Error

Thomas D. Koepsell and Noel S. Weiss

in Epidemiologic Methods: Studying the Occurrence of Illness

Published in print:
2004
Published Online:
September 2009
ISBN:
9780195150780
eISBN:
9780199865161
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195150780.003.0010
Subject:
Public Health and Epidemiology, Public Health, Epidemiology

Improving the resolution of their measurement tools will allow epidemiologists to describe more accurately the relationship between the exposures and diseases they are studying. This chapter ... More


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