Non-Sampling Error and Data Quality: What Can We Learn from Surveys to Collect Data for Vulnerability Measurements?

Phung, Tung; Hardeweg, Bernd; Praneetvatakul, Suwanna; Waibel, Hermann

doi:10.1016/j.worlddev.2013.11.008

Cited by 15 publications

(11 citation statements)

References 11 publications

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“…We used a three-stage procedure to select a sample of respondents [24,25]. In the first stage, we selected two districts (Ba Be and Na Ri) where a large number of forest plantations had been established between 2010 and 2011.…”

Section: Data Collectionmentioning

confidence: 99%

Economic Performance of Forest Plantations in Vietnam: Eucalyptus, Acacia mangium, and Manglietia conifera

Cuong

Chinh

Zhang

et al. 2020

Forests

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Forest plantations have expanded rapidly in response to financial support from the state and local governments and have had significant positive impacts on rural livelihoods and development in Vietnam, since the late 1980s. This study used net present value (NPV) and internal rate of return (IRR) to examine the economic performance of plantations for three species, Acacia mangium Willd, Eucalyptus (Eucalyptus urophylla S.T. Blake × Eucalyptus camaldulensis Dehn), and Manglietia conifera Dandy, in Bac Kan province. On the basis of an annual discount rate of 6%, the results showed that rural households earned positive financial returns from forest plantations with seven-year rotations. Eucalyptus generated the highest NPV but A. mangium generated the greatest IRR. The plantations were facilitated by financial support from the state, land tenure reforms, and wood exports. The results provide valuable business information and policy implications for both local farmers and policy makers. Since the farmers consider more of the short term and economic return of the plantations, the results provide valuable information for policy makers to apply subsidies and other support to promote plantations with significant ecological and environmental benefits for sustainable development of rural economies.

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Section: Data Collectionmentioning

confidence: 99%

Economic Performance of Forest Plantations in Vietnam: Eucalyptus, Acacia mangium, and Manglietia conifera

Cuong

Chinh

Zhang

et al. 2020

Forests

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show abstract

“…However, after considering the probability of non-sampling errors in coverage and non-response as well as bias in data (Phung et al, 2015), 1,200 samples were collected for the overall study. Only 1,130 survey forms were analysed for generalisation purposes based on data cleaning process.…”

Section: Sampling Sizementioning

confidence: 99%

Public Bus Level of Service Performance in Peninsular Malaysia: Correlation Analyses on Level of Service (Los) and Passengers’ Satisfaction Level

Ponrahono

Bachok

Osman

et al. 2017

PMJ

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This study explore the stage bus performance of 48 routes within selected urban and regional settlements in Peninsula Malaysia, using a quantitative traffic engineering measure known as Level of Service standards or LOS and validated through the evaluation of passengers' satisfaction level. The findings on the level of service (LOS) highlight the poor performance of the urban and rural bus service with the tolerable threshold below D. There are clear disparities on LOS and passenger satisfaction level between the urban and rural bus operation systems in terms of frequency, operation hour, bus speed, and passengers' load threshold 230 INTRODUCTIONAssessing bus service performance is important to improve the quality, reliability, efficiency and effectiveness of the system. Service quality is not only can be measured from the aspect of operation and management but also through the perception and expectation of the passengers. The level of service (LOS) assessment is a tool to measure the quality of service based on specific attributes. The passengers' satisfaction assessment can help to improve the level of service, the quality and performance (Zakaria et al., 2010). The objective of this paper is to assess bus performance of 48 routes within selected urban and regional settlements in Peninsula Malaysia, using LOS and validated the findings through the evaluation of passengers' satisfaction level.

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“…Even though household surveys are widely used tools not much is known about the magnitude of non-sampling errors in surveys in developing countries and their impact 30 . Phung et al 30 highlight two main reasons for this: a missing consistent procedure on how to deal with common issues such as outliers and missing data and missing information on the causes of errors. The most important types of non-sampling errors are non-response errors and measurement errors.…”

Section: Technical Validationmentioning

confidence: 99%

“…They can occur because interviewers deviate from the established study design, influence the respondent or the respondent cannot remember details e.g. on labour distribution among different household members 30 or on details for time periods in the past. Reserve lists were used to manage non-response and replace selected respondents who were unavailable or unable to provide required information at the time of survey.…”

Section: Technical Validationmentioning

confidence: 99%

An agricultural survey for more than 9,500 African households

et al. 2016

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Surveys for more than 9,500 households were conducted in the growing seasons 2002/2003 or 2003/2004 in eleven African countries: Burkina Faso, Cameroon, Ghana, Niger and Senegal in western Africa; Egypt in northern Africa; Ethiopia and Kenya in eastern Africa; South Africa, Zambia and Zimbabwe in southern Africa. Households were chosen randomly in districts that are representative for key agro-climatic zones and farming systems. The data set specifies farming systems characteristics that can help inform about the importance of each system for a country’s agricultural production and its ability to cope with short- and long-term climate changes or extreme weather events. Further it informs about the location of smallholders and vulnerable systems and permits benchmarking agricultural systems characteristics.

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Non-Sampling Error and Data Quality: What Can We Learn from Surveys to Collect Data for Vulnerability Measurements?

Cited by 15 publications

References 11 publications

Economic Performance of Forest Plantations in Vietnam: Eucalyptus, Acacia mangium, and Manglietia conifera

Economic Performance of Forest Plantations in Vietnam: Eucalyptus, Acacia mangium, and Manglietia conifera

Public Bus Level of Service Performance in Peninsular Malaysia: Correlation Analyses on Level of Service (Los) and Passengers’ Satisfaction Level

An agricultural survey for more than 9,500 African households

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