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Intervention Modeling

Richard McCleary, David McDowall, and Bradley J. Bartos

in Design and Analysis of Time Series Experiments

Published in print:
2017
Published Online:
May 2017
ISBN:
9780190661557
eISBN:
9780190661595
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780190661557.003.0005
Subject:
Sociology, Methodology and Statistics

The general AutoRegressive Integrated Moving Average (ARIMA) model can be written as the sum of noise and exogenous components. If an exogenous impact is trivially small, the noise component can be ... More


Internal Validity

Richard McCleary, David McDowall, and Bradley J. Bartos

in Design and Analysis of Time Series Experiments

Published in print:
2017
Published Online:
May 2017
ISBN:
9780190661557
eISBN:
9780190661595
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780190661557.003.0007
Subject:
Sociology, Methodology and Statistics

Chapter 7 begins with an outline and description of five threats to internal validity common to time series designs: history, maturation, instrumentation, regression, and selection. Given the ... More


External Validity

Richard McCleary, David McDowall, and Bradley J. Bartos

in Design and Analysis of Time Series Experiments

Published in print:
2017
Published Online:
May 2017
ISBN:
9780190661557
eISBN:
9780190661595
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780190661557.003.0009
Subject:
Sociology, Methodology and Statistics

A threat to external validity is any factor that limits the generalizability of an observed result. Unlike all threats to statistical conclusion and internal validities and some threats to construct ... More


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