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来源类型Publication
Intracluster Correlation Coefficients of Household Economic and Agricultural Outcomes in Mozambique
Judy Geyer; Mikal Davis; and Tulika Narayan
发表日期2016-08-03
出版者Evaluation Review (online ahead of print, subscription required)
出版年2016
语种英语
概述This article offers important statistics to evaluators planning future evaluations in southeast Africa. There are little to no published statistics describing the variance of southeast African agricultural and household indicators. ",
摘要

Background: This article offers important statistics to evaluators planning future evaluations in southeast Africa. There are little to no published statistics describing the variance of southeast African agricultural and household indicators.

Objective: We seek to publish the standard deviations, intracluster correlation coefficients (ICCs), and R 2s from outcomes and covariates used in a 2014 quasi-experimental evaluation of the Millennium Challenge Corporation’s Mozambique Farmer Income Support Project (FISP) and thus guide researchers in their calculation of design effects relevant to future evaluations in the region.

Method: We summarize data from a roughly 168-item farmer survey conducted in 1,227 households during June–July 2014 in coconut-farming regions of the Zambezia province in Mozambique. We report descriptive statistics, estimates of ICC, and R 2s obtained from linear regression models with cluster random effects. We consider three different cluster definitions.

Results: We report ICCs for a range of different specifications. For the FISP evaluation, the average design effect for education outcomes is 1.16. Average design effects for wealth measures based on consumption are 1.23. For agricultural-related outcomes, 1.05 is the average design effects for income measures, 1.47 for knowledge, and 1.64 for sales of specific crops.

Conclusion: We offer a detailed picture of the variance structure of agricultural and other outcomes in Mozambique. Our results indicate that the design effect associated with these outcomes is less than the rule-of-thumb design effect (2.0) used in nutrition studies which are commonly cited in the studies of this region. 

URLhttps://www.mathematica.org/our-publications-and-findings/publications/intracluster-correlation-coefficients-of-household-economic-and-agricultural-outcomes-in-mozambique
来源智库Mathematica Policy Research (United States)
资源类型智库出版物
条目标识符http://119.78.100.153/handle/2XGU8XDN/488565
推荐引用方式
GB/T 7714
Judy Geyer,Mikal Davis,and Tulika Narayan. Intracluster Correlation Coefficients of Household Economic and Agricultural Outcomes in Mozambique. 2016.
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