Can Survey Design Reduce Anchoring Bias In Recall Data
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Can Survey Design Reduce Anchoring Bias In Recall Data Evidence From Malawi
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Author : Godlonton, Susan
language : en
Publisher: Intl Food Policy Res Inst
Release Date : 2021-11-04
Can Survey Design Reduce Anchoring Bias In Recall Data Evidence From Malawi written by Godlonton, Susan and has been published by Intl Food Policy Res Inst this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-11-04 with Political Science categories.
Recall biases in retrospective survey data are widely considered to be pervasive and have important implications for effective agricultural research. In this paper, we leverage the survey design literature and test three strategies to attenuate mental anchoring in retrospective data collection: question order effects, retrieval cues, and aggregate (community) anchoring. We embed a survey design experiment in a longitudinal survey of smallholder farmers in Malawi and focus on anchoring bias in maize production and happiness exploiting differences between recalled and concurrent responses. We find that asking for retrospective data before concurrent data reduces recall bias by approximately 34% for maize production, a meaningful improvement with no increase in survey data collection costs. Retrieval cues are less successful in reducing the bias for maize reports and involve more data collection time, while community anchors can exacerbate the bias. Reversing the order of questions and retrieval cues do not help to ease the bias for happiness reports.
Can Survey Design Reduce Anchoring Bias In Recall Data
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Author : Susan Godlonton
language : en
Publisher:
Release Date : 2021
Can Survey Design Reduce Anchoring Bias In Recall Data written by Susan Godlonton and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021 with categories.
Anchoring Bias In Recall Data
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Author : Godlonton, Susan
language : en
Publisher: Intl Food Policy Res Inst
Release Date : 2016-05-20
Anchoring Bias In Recall Data written by Godlonton, Susan and has been published by Intl Food Policy Res Inst this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-05-20 with Business & Economics categories.
Understanding the magnitude and source of measurement biases in self-reported data is critical to effective economic policy research. This paper examines the role of anchoring bias in self-reports of objective and subjective outcomes under recall. The research exploits a unique panel survey data set collected over a three-year period from four countries in Central America. It assesses whether respondents use their reported value of specific measures from the most recent survey period as a cognitive heuristic when recalling the value from a previous period, while controlling for the value they reported earlier. We find strong evidence of sizable anchoring bias in self-reported retrospective indicators for both objective measures (household and per capita income, wages, and hours spent on the household’s main activity) and subjective measures (reports of happiness, health, stress, and well-being). In general, we also observe a larger bias in response to negative changes for objective indicators and a larger bias in response to positive changes for subjective indicators.
Assessing The Impacts Of Covid 19 On The Coffee Value Chain In Guatemala Evidence From Coffee Growers In The Midwest And East
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Author : Hernandez, Manuel A.
language : en
Publisher: Intl Food Policy Res Inst
Release Date : 2021-12-23
Assessing The Impacts Of Covid 19 On The Coffee Value Chain In Guatemala Evidence From Coffee Growers In The Midwest And East written by Hernandez, Manuel A. and has been published by Intl Food Policy Res Inst this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-12-23 with Political Science categories.
Coffee is a growth market. Current estimates indicate that global coffee production (in volume) has increased by more than 60% since the 1990s. Coffee is produced by around 25 million farmers, which are mainly smallholders in developing and least developed countries, and over 70% of the coffee produced is exported, resulting in about 20 billion US dollars annual foreign exchange earnings (ICO, 2020). COVID-19 represented a severe joint supply and demand shock to the global coffee sector, particularly during the first months after the start of the pandemic. As noted by Hernandez et al. (2020), the coffee industry experienced important disruptions downstream the value chain, including the functioning of key export infrastructure and international shipping, which combined with local currency devaluations and volatile coffee prices, which resulted in significant challenges for coffee growers, farm workers, and traders.
How Data Quality Affects Our Understanding Of The Earnings Distribution
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Author : Reza Che Daniels
language : en
Publisher: Springer Nature
Release Date : 2022-07-02
How Data Quality Affects Our Understanding Of The Earnings Distribution written by Reza Che Daniels and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-07-02 with Mathematics categories.
This open access book demonstrates how data quality issues affect all surveys and proposes methods that can be utilised to deal with the observable components of survey error in a statistically sound manner. This book begins by profiling the post-Apartheid period in South Africa's history when the sampling frame and survey methodology for household surveys was undergoing periodic changes due to the changing geopolitical landscape in the country. This book profiles how different components of error had disproportionate magnitudes in different survey years, including coverage error, sampling error, nonresponse error, measurement error, processing error and adjustment error. The parameters of interest concern the earnings distribution, but despite this outcome of interest, the discussion is generalizable to any question in a random sample survey of households or firms. This book then investigates questionnaire design and item nonresponse by building a response propensity model for the employee income question in two South African labour market surveys: the October Household Survey (OHS, 1997-1999) and the Labour Force Survey (LFS, 2000-2003). This time period isolates a period of changing questionnaire design for the income question. Finally, this book is concerned with how to employee income data with a mixture of continuous data, bounded response data and nonresponse. A variable with this mixture of data types is called coarse data. Because the income question consists of two parts -- an initial, exact income question and a bounded income follow-up question -- the resulting statistical distribution of employee income is both continuous and discrete. The book shows researchers how to appropriately deal with coarse income data using multiple imputation. The take-home message from this book is that researchers have a responsibility to treat data quality concerns in a statistically sound manner, rather than making adjustments to public-use data in arbitrary ways, often underpinned by undefensible assumptions about an implicit unobservable loss function in the data. The demonstration of how this can be done provides a replicable concept map with applicable methods that can be utilised in any sample survey.
Translational Urology
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Author : Anthony Atala
language : en
Publisher: Academic Press
Release Date : 2024-10-04
Translational Urology written by Anthony Atala and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-10-04 with Science categories.
Translational Urology covers the principles of evidence-based medicine and applies these principles to the design of translational investigations. The reader will come to fully understand important concepts, including case-control study, prospective cohort study, randomized trial, and reliability study. Medical researchers will benefit from greater confidence in their ability to initiate and execute their own investigations, avoid common pitfalls in urology, and know what is needed for successful collaboration. Further, this title is an indispensable tool in grant writing and funding efforts.This practical, straightforward approach helps the aspiring investigator navigate challenging considerations in study design and implementation. The book provides valuable discussions of the critical appraisal of published studies in urology, allowing the reader to learn how to evaluate the quality of such studies with respect to measuring outcomes and to make effective use of all types of evidence in patient care. - Focuses on the principles of evidence-based medicine and applies these principles to the design of translational investigations within the field of urology - Provides a practical, straightforward approach that helps investigators navigate challenging considerations in study design and implementation - Details discussions of the critical appraisal of published studies in urology, supporting evaluation with respect to measuring outcomes and making effective use of all types of evidence in patient care
Handbook Of Econometrics
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Author : J.J. Heckman
language : en
Publisher: Elsevier
Release Date : 2001-11-22
Handbook Of Econometrics written by J.J. Heckman and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001-11-22 with Business & Economics categories.
The Handbook is a definitive reference source and teaching aid for econometricians. It examines models, estimation theory, data analysis and field applications in econometrics. Comprehensive surveys, written by experts, discuss recent developments at a level suitable for professional use by economists, econometricians, statisticians, and in advanced graduate econometrics courses. For more information on the Handbooks in Economics series, please see our home page on http://www.elsevier.nl/locate/hes
A Primer On Nonmarket Valuation
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Author : Patricia A. Champ
language : en
Publisher: Springer
Release Date : 2017-02-08
A Primer On Nonmarket Valuation written by Patricia A. Champ and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-02-08 with Business & Economics categories.
This is a practical book with clear descriptions of the most commonly used nonmarket methods. The first chapters of the book provide the context and theoretical foundation of nonmarket valuation along with a discussion of data collection procedures. The middle chapters describe the major stated- and revealed-preference valuation methods. For each method, the steps involved in implementation are laid out and carefully explained with supporting references from the published literature. The final chapters of the book examine the relevance of experimentation to economic valuation, the transfer of existing nonmarket values to new settings, and assessments of the reliability and validity of nonmarket values. The book is relevant to individuals in many professions at all career levels. Professionals in government agencies, attorneys involved with natural resource damage assessments, graduate students, and others will appreciate the thorough descriptions of how to design, implement, and analyze a nonmarket valuation study.
Redesign Of The National Crime Survey
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Author :
language : en
Publisher:
Release Date : 1989
Redesign Of The National Crime Survey written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Crime categories.
Econometric Analysis Of Panel Data
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Author : Badi Baltagi
language : en
Publisher: John Wiley & Sons
Release Date : 2008-06-30
Econometric Analysis Of Panel Data written by Badi Baltagi and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-06-30 with Business & Economics categories.
Written by one of the world's leading researchers and writers in the field, Econometric Analysis of Panel Data has become established as the leading textbook for postgraduate courses in panel data. This new edition reflects the rapid developments in the field covering the vast research that has been conducted on panel data since its initial publication. Featuring the most recent empirical examples from panel data literature, data sets are also provided as well as the programs to implement the estimation and testing procedures described in the book. These programs will be made available via an accompanying website which will also contain solutions to end of chapter exercises that will appear in the book. The text has been fully updated with new material on dynamic panel data models and recent results on non-linear panel models and in particular work on limited dependent variables panel data models.