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8. The validation of dietary assessment

Michael Nelson

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/9780192627391.003.0008
Subject:
Public Health and Epidemiology, Public Health, Epidemiology

Validation considers the context within which measures are being made (national, household, individual) and helps to describe the extent to which observed values differ from the truth. This chapter ... More


Reproducibility and Validity of Food-Frequency Questionnaires

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/9780195122978.003.06
Subject:
Public Health and Epidemiology, Public Health, Epidemiology

This chapter deals with the approaches used to evaluate dietary questionnaires, the design of validation studies, and the analysis and presentation of data from validation studies. The interpretation ... More


Who Really Votes?

Stephen Ansolabehere and Eitan Hersh

in Facing the Challenge of Democracy: Explorations in the Analysis of Public Opinion and Political Participation

Published in print:
2011
Published Online:
October 2017
ISBN:
9780691151106
eISBN:
9781400840304
Item type:
chapter
Publisher:
Princeton University Press
DOI:
10.23943/princeton/9780691151106.003.0012
Subject:
Political Science, Democratization

This chapter considers how voters are different from nonvoters with respect to their demographic and ideological attributes, and if election outcomes would change if everyone voted. It first explains ... More


Physical Activity Measurements

Frank B. Hu

in Obesity Epidemiology

Published in print:
2008
Published Online:
September 2009
ISBN:
9780195312911
eISBN:
9780199865260
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195312911.003.0007
Subject:
Public Health and Epidemiology, Public Health, Epidemiology

This chapter begins by discussing conceptual definitions and the multidimensional aspects of physical activity and exercise. It then describes self-reported methods and monitoring devices for ... More


Developing theories that bridge mind and brain: Some thoughts of a cognitive psychologist

Andrew P. Yonelinas

in Neuroimaging of Human Memory: Linking cognitive processes to neural systems

Published in print:
2009
Published Online:
March 2012
ISBN:
9780199217298
eISBN:
9780191696077
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199217298.003.0019
Subject:
Psychology, Cognitive Models and Architectures

This chapter suggests that the approaches pursued in imaging research can be allocated to one of three categories — exploratory studies, validation studies, and hypothetico-deductive studies. The ... More


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