Through the Eyes of the Beholder

Central America's Life Stories to Unpack Migration

Presented by Surbhi Agrawal, Maria Daniela Castillo, Sarah Jeong & Deni Lopez on December, 2021

As a socially-constructed term, risk has myriad interpretations. Unfortunately, its conceptual complexity often leads researchers and practitioners to narrow such interpretations to a detrimental extent, where siloed understandings cause fragmented action.[1] We advocate for a more flexible and comprehensive view, following the call for proactive risk management in everyday governance across political scales and institutional sectors.[2]


This diagrammatic exercise addresses risk through two methodological lenses to highlight the differences in their findings and contrast the distinct kinds of stories that flourish through them. It pushes for a broader understanding of the underlying factors associated with risk. In particular, we unpack migration risk, which is hereby defined as the willingness of people from Honduras, Guatemala, and El Salvador to migrate externally.


SINGLE REGRESSION

Here, we study the individual strength of associations between 42 variables and the intention to migrate externally from Honduras, Guatemala, and El Salvador. Hover on the diagram to explore our results.

MULTIPLE REGRESSION

Here, we study the combined strength of association between 42 variables and the intention to migrate externally from Honduras, Guatemala, and El Salvador when assessed simultaneaously in a statistical model. Hover on the diagram to explore our results.

Unpacking intentions to migrate externally through these analyses means different things for different people, and we believe no story should be left behind. Thus, using both of the prior methods (and encouraging others to use even more) allows us to advocate for a wide range of actions, both temporarily and disciplinarily. We also believe that, when working with data, it is important not to lose sight that it represents real people and their stories. Our datasets are closely linked to such stories.


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Note: To understand the single linear regression (SLR) results and their relationship to the stories, we highlighted the factors that showed statistically significant assoaciations with the model. The factors discussed in the story are filled in and the ones that were significant but are not shown in this story are highlighted but not filled in.


WHAT WE FOUND

The diagrams show varied results. In the simple linear regressions,the strongest associations with an intention to migrate externally include having received governmental aid, lacking access to gas or electricity for cooking, lacking housing tenure, living in communities where violence increased in the last year, having a decreased income due to the COVID-19 pandemic considering that most children in the country do not have the opportunity to learn and grow daily, having confidence in the country’s election, and considering that migration brings good consequences to families. In other words, statistically significant associations span across categories, disciplines and temporalities.


The multiple linear regression highlights new variables and downplays others. In this model, an intention to migrate externally correlated most strongly with being young, male, unhappy, and believing that migration is good. Other new associations include coming from a larger household, having the need to reduce food portions in the past 7 days to feed other household members, having insufficient income to cover food and expenses in the last 30 days (economic security) and/or living in a female owned household. In this last model, the R2 value equals 0.70, which means that the model predicts 70% of the variability in the outcome.


Our main diagrams show the strength of the prior associations. A bar with a value between 1 and 3 shows a statistically significant association, with 3 having the strongest statistical significance (1: p < 0.05; 2: p < 0.01; 3: p < 0.001). The color of each bar indicates the group to which the variable belongs (food security, economic security, housing, disasters, individual perceptions, demographics, geographic location, and infrastructure).


To further our analysis, we also unpacked the overarching simple linear regressions to identify significant correlations with intention to migrate specific to Honduras, Guatemala, and El Salvador. The simple linear regressions highlighted between countries, such as a strong relationship with youth in Honduras and a strong relationship with non-governmental assistance programs in El Salvador.

EL SALVADOR

The simple linear regressions highlighted nuances between countries, such as a strong relationship with non-governmental assistance programs in El Salvador.

GUATEMALA

Single linear regressions by country provided slightly different results for each of the three countries analyzed separately

HONDURAS

The simple linear regressions highlighted a strong relationship with youth in Honduras



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HOW WE DID IT

METHODOLOGICAL DISCLAIMER: We were not in pursuit of the perfect statistical model. This is a conceptual exercise to frame the need to consider several aspects and interactions of risk in practice.


Regression analysis is a statistical method that allows us to see the strength of relationships between variables, showing us how one variable might change when another changes. We first used a simple linear regression, which shows the strength of the relationship between an individual variable to a single outcome (i.e. Is there an association between X and Y?). Once more, the outcome is an individual’s intention to migrate to a different country. For this part, we ran simple linear regressions between all 42 variables (or predictors) and the outcome.


For the second assessment, we used multiple linear regression to show the relationship between the same variables and outcome, except this time they all contribute to the result instead of being evaluated individually (i.e. Is there an association between X1 and X2 and Y, when controlling for X3, X4, etc?).


Multiple linear regression provides an advantage of accounting for all potentially important variables in one model, which can lead to a more accurate understanding of an association of every individual factor with the outcome. But multiple linear regression flattens populations and loses the nuance of the source, assuming that the average represents all people who contributed to the dataset.


We used data from a World Food Programme survey on migration in the Northern Triangle (n= 4,998), which includes responses from El Salvador (n= 1,703), Honduras (n= 1,565), and Guatemala (n= 1,730) (WFP, 2021).


The diagram below on the left shows how the single regressions work and the one on the right shows how the muliptle regression works.

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Mom walks with her kid in the back

Continue reading at Civic Data Design Lab · Photos obtained from The Washington Post and The New Yorker

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