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THE POSITIVE IMPACT OF ACQUIRING

ENGLISH AS A FOREIGN LANGUAGE (EFL)

IMPACTO POSITIVO DE APRENDER INGLÉS COMO LENGUA

EXTRANJERA

Xilena Aldeán Sandoval

Universidad Nacional de Loja

Fritzner Joseph

Universidad Nacional De Loja (UNL-EP)
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DOI:
https://doi.org/10.37811/cl_rcm.v9i4.18726
The Positive Imp
act of Acquiring English as a Foreign Language (EFL)
Xilena Aldeán Sandoval
1
xilena.aldean@unl.edu.ec

https://orcid.org/0009-0001-4734-5407

Universidad Nacional de Loja

Ecuador

Fritzner Joseph

joseph.fritzner@educacion.gob.ec

https://orcid.org/0000-0003-1236-1666

Universidad Nacional De Loja (UNL-EP)

Ecuador

ABSTRACT

Acquiring English as a
Foreign Language (EFL) brings a wide range of cognitive, academic, socio-
economic, and cultural advantages. This paper investigates these benefits using a mixed
-methods design
that integrates surveys, interviews, and analysis of students’ academic records. The research centers
on
Latin American students from varied educational settings and economic backgrounds. Key findings

indicate gains in metalinguistic skills, access to broader career pathways, and stronger intercultural

abilities
. Additionally, statistical data reveal improved academic outcomes and higher job placement
rates for bilingual individuals. These insights provide valuable input for shaping future research and

informing educational policies aimed at strengthening
EFL instruction in non-English-speaking regions.
Keywords
: cognitive development, bilingual advantage, educational success, economic mobility,
cultural competence

1
Autor principal:
Correspondencia:
xilena.aldean@unl.edu.ec
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Impacto positivo de aprender inglés como lengua extranjera

RESUMEN

Aprender inglés como idioma extranjero (EFL) representa una herramienta poderosa con impactos
significativos en múltiples áreas del desarrollo personal y profesional. Esta investigación examina los
beneficios cognitivos, académicos, socioeconómicos y culturales del aprendizaje del inglés mediante un
enfoque mixto que integra encuestas, entrevistas y análisis del rendimiento académico. El estudio se
centró en estudiantes latinoamericanos con diferentes trayectorias educativas y realidades
socioeconómicas, lo que permitió una visión amplia y representativa. Los resultados evidencian un
aumento en la conciencia metalingüística, una mayor confianza para interactuar en entornos
multiculturales y una mejora en las competencias comunicativas. Además, se observa un vínculo directo
entre el bilingüismo y un mejor desempeño académico, así como mayores oportunidades laborales. De
hecho, los participantes bilingües mostraron tasas de inserción laboral superiores y mejores condiciones
económicas en comparación con sus pares monolingües. Estos hallazgos también reflejan un acceso
ampliado a becas, movilidad internacional y crecimiento profesional. La información recabada no solo
confirma los beneficios del aprendizaje del inglés, sino que también respalda la necesidad de fortalecer
los programas de EFL en países de habla no inglesa. A partir de esta evidencia, se propone considerar
el desarrollo de políticas educativas inclusivas y sostenibles que promuevan el aprendizaje del inglés
desde edades tempranas, como una estrategia clave para mejorar la equidad educativa y la
competitividad global.

Palabras clave: beneficios cognitivos, bilingüismo, rendimiento académico, avance socioeconómico,
competencia intercultural

Artículo recibido: 15 junio 2025

Aceptado para publicación: 18 julio 2025
pág. 1818
INTRODUCTION

In today's world, shaped by globalization and swift technological progress, English has established itself

as the primary language of global interaction in domains such as business, science, technology,

education, and diplomacy. Its function as the world's
common language has made English proficiency
increasingly critical for those seeking to participate in international exchanges and access higher

education, employment, and global networks. As such, English is no longer viewed as a secondary or

elective sk
ill, but rather as a foundational competence necessary to thrive in the 21st century.
This trend is especially relevant in Latin America, a region known for its linguistic and cultural richness,

where Spanish and Portuguese are predominantly spoken. Despite the regional linguistic landscape,

growing economic ties with international markets
and the widespread use of digital communication tools
have underscored the demand for English language skills. In response, governments, academic

institutions, and private organizations across Latin America are giving greater priority to English

instructio
n, aiming to prepare learners for the demands of a globalized workforce and to enhance social
mobility. However, the broader impacts of
EFL learning, beyond acquiring functional language skills,
are still insufficiently studied, particularly in terms of its cognitive, academic, economic, and

intercultural implications.

This research aims to fill that gap by analyzing the comprehensive benefits of learning English as a

foreign
language within Latin America. It focuses on four interconnected areas: cognitive development,
academic performance, economic advancement, and cross
-cultural understanding. Studies in
bilingualism reveal that learning a
foreign language enhances mental flexibility, executive functioning,
and problem
-solving abilities (Bialystok, 2017). These cognitive gains contribute to students’ capacity
to process complex information and develop independent learning habits
, skills that are vital for
academic success and personal
growth.
In educational contexts,
EFL learners often surpass their monolingual counterparts in standardized
assessments and exhibit stronger academic performance overall. English fluency grants learners access

to international academic content
, scholarly publications, and globally recognized curricula, which
enrich their educational experiences. Additionally, being proficient in English opens doors to university
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programs and scholarships abroad, broadening Latin American students’ academic and professional

horizons.

Economically, there is a strong correlation between English proficiency and improved job prospects.

Research indicates that bilingual employees can earn significantly more
, between 30% and 50% higher
salaries
, compared to those who speak only one language (Saiz & Zoido, 2005). This linguistic
advantage is particularly impactful in regions facing economic
c inequality, where ESL education can
catalyze
upward mobility and financial empowerment.
On a social level, learning English fosters intercultural competence, allowing learners to communicate

effectively across cultures. It promotes empathy, adaptability, and collaboration
, which are essential
qualities in today’s interconnected societies. By developing these skills,
EFL learners are better
equipped to engage in both regional and global communities, strengthening social inclusion and

professional networks.

Ultimately, this study offers a detailed exploration of how
EFL education contributes to personal and
societal progress in Latin America. By employing a mixed
-methods approach it presents insights into
the wide
-ranging value of English proficiency. It offers recommendations to support the development
of inclusive and forward
-looking EFL policies and practices in the region.
Theoretical Framework

The growing prominence of bilingualism and multilingualism in today’s interconnected world has

positioned English as
a Foreign Language (EFL) as a key focus within educational research. Scholars
have consistently explored the implications of E
FL learning, particularly with cognitive growth,
academic success, economic outcomes, and socio
-cultural development. This framework integrates
foundational studies to situate the current research within the Latin American context.

Cognitive Development and Bilingual Advantage

Extensive research underscores the positive cognitive effects of bilingualism, especially on executive

functioning, including working memory, cognitive flexibility, and inhibitory control (Bialystok, 2017;

Adesope et al., 2010). Bilingual learners typicall
y demonstrate superior performance in tasks involving
attention management and complex problem
-solving. These benefits arise from the constant mental
engagement required to navigate two linguistic systems, leading to increased neural adaptability and
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efficiency (Kroll & Bialystok, 2013). In educational contexts, such cognitive strengths have been

associated with greater academic adaptability and resilience, highlighting
EFL education as a vehicle
for broader intellectual development.

Academic Outcomes and
EFL Learning
A strong link has been established between English language proficiency and academic performance.

Thomas and Collier (2012) show that learners who attain high levels of English competency often

achieve better results in both standardized testing and overal
l academic achievement. EFL proficiency
allows students to engage more deeply with instructional content, scholarly discourse, and global

knowledge resources. Cummins (2000) further emphasizes that learners who retain th
eir first language
while acquiring English tend to excel academically, reinforcing the value of additive bilingual

approaches that foster linguistic and cognitive growth simultaneously.

Economic Impact of English Proficiency

From an economic standpoint, numerous studies report a clear financial advantage for bilingual

individuals. Saiz and Zoido (2005) demonstrated that bilingual professionals in the U.S. earn

significantly more
, up to 50% higher wages, than their monolingual peers. This wage premium is largely
due to increased demand for linguistic and cultural versatility in today’s global job markets (Callan,

2014). In Latin America,
EFL proficiency holds even greater importance, offering access to higher-
paying industries, improving employability, and promoting social mobility in regions marked by income

inequality (Rubinstein
-Ávila, 2016).
Intercultural Competence and Social Inclusion

Beyond cognitive and economic domains,
EFL learning enhances intercultural understanding.
According to García and Wei (2014), bilingualism equips learners with the tools to navigate cross
-
cultural interactions with sensitivity and adaptability. Exposure to English promotes openness to diverse

pers
pectives and reduces cultural bias (Byram, 1997). These skills are essential for fostering inclusion
and cooperation in Latin America’s multicultural societies and for preparing students for global

citizenship.

Addressing Regional Gaps

While global evidence supports the broad benefits of
EFL learning, there is a scarcity of research focused
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on Latin America’s unique socio
-educational realities. Variations in EFL instruction quality, access
disparities, and socio
-economic challenges call for context-specific analysis (Paradis et al., 2011). This
study addresses this gap by investigating E
FL outcomes in Ecuador, Colombia, and Peru, offering
regionally grounded insights to inform educational reform.

Research Question

How does learning English as
a Foreign Language influence cognitive development, academic
achievement, economic mobility, and intercultural competence among students in Latin America?

Methodology

This research
employed a mixed-methods approach to investigate the multifaceted effects, including
academic, cognitive, social, and economic aspects, of learning English as a foreign language (EFL).

By integrating quantitative and qualitative methods, the study enabled
both objective analysis and a
rich exploration of participant experiences, yielding comprehensive insights.

Sampling Strategy

The sample consisted of
300 EFL students from Ecuador, Colombia, and Peru, selected through
stratified random sampling
to reflect diversity in geography, educational level (primary, secondary,
tertiary), and socioeconomic status. Eligibility required students to have completed at least
one year of
formal
EFL instruction. Additionally, 50 EFL educators were chosen via purposive sampling based on
their teaching experience (minimum of three years) and voluntary participation. From the larger student

sample,
100 learners were selected through convenience sampling for surveys and interviews, ensuring
variation in age, gender, and English proficiency.

Quantitative Instruments and Analysis

Language proficiency was measured using internationally recognized
standardized EFL tests (e.g.,
Cambridge English). With institutional consent, academic records
, focusing on test scores in
mathematics, science, and reading comprehension
, were collected to examine correlations with EFL
performance.
SPSS (Version 28) was employed for analysis. Descriptive statistics outlined demographic
and performance profiles, while
t-tests and multiple regression analyses assessed the influence of
English proficiency on academic outcomes, controlling for variables like socioeconomic background
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and prior academic achievement.
Cronbach’s alpha (α = 0.89) confirmed the internal reliability of the
test instruments.

Qualitative Instruments and
Analysis
The qualitative component involved
semi-structured interviews and surveys with 50 teachers and 100
students. Interviews explored cognitive shifts, emotional responses, and engagement in bilingual

settings. Surveys included both closed
- and open-ended items to gauge students’ confidence,
adaptability, and aspirations. All qualit
ative data were processed using NVivo 14, and analyzed through
thematic analysis
based on Braun and Clarke’s (2006) six-step model: familiarization, coding, theme
generation, review,
definition, and final write-up. Inter-rater reliability was verified using Cohen’s
kappa (κ = 0.82)
, reflecting substantial coder agreement.
Ethical Considerations

This study complied with ethical guidelines from
AERA (2011) and BERA (2018). IRB approval was
secured prior to data collection. Participants
, and guardians where appropriate, provided informed
consent
after receiving clear information about the study’s goals, procedures, and privacy measures.
Participation was voluntary, with the right to withdraw at any time. All data were anonymized and

securely
saved. Cultural and linguistic sensitivity were maintained throughout, ensuring respect for
participant diversity.

Triangulation and Validity

Data triangulation
was applied by combining standardized test results, academic records, and qualitative
narratives. This integrative strategy increased the
validity and reliability of the findings by cross-
verifying information across different sources and minimizing potential bias.

Study Limitations

Despite its strengths, this study faced certain limitations. The
convenience sampling used for qualitative
participants may restrict generalizability
. Self-reported data could be influenced by social desirability
bias. While standardized testing provides objective insights into language proficiency, it may not fully

capture
the affective and social dimensions of bilingualism. Future studies are encouraged to adopt
longitudinal designs
and include broader, more diverse samples to strengthen representativeness and
assess long
-term ESL impacts.
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RESULTS AND FINDINGS

The study reveals compelling evidence of the
academic, cognitive, social, and economic advantages of
learning English as a
foreign language (EFL) in comparison to monolingual peers. Quantitative analysis
showed that E
FL students outperformed their counterparts by approximately 20% in standardized
academic tests
, particularly in subjects such as mathematics, reading comprehension, and science. These
results align with existing research that links bilingualism to enhanced executive functions and

metalinguistic awareness, which positively influence academic performa
nce (Bialystok, 2017; Thomas
& Collier, 2012).

Insights from
student interviews provided a deeper understanding of the socio-emotional dimensions of
E
FL learning. Learners reported increased self-confidence in multicultural interactions and greater
adaptability
in navigating diverse linguistic and cultural contexts. Many expressed a sharp sense of
inclusion and openness, attributing this growth to their bilingual capabilities. This cultural competence,

which facilitates empathy and cooperation, was perceived as fundamental to both personal and academic

success (Cummins, 2000; García & Wei, 2014). Additionally, students noted an increased willingness

to participate in group projects and intercultural exchanges, enriching their educational experience.

Teacher observations
confirmed these findings, citing noticeable improvements in student engagement,
especially during tasks involving
critical thinking and collaborative problem-solving. Educators
reported that
EFL learners exhibited greater creativity, cognitive flexibility, and the ability to approach
academic challenges from multiple viewpoints. These attributes were linked to the mental agility

developed through managing two linguistic systems and the practice of code
-switching (Adesope et al.,
2010),
skills that are essential for academic and lifelong learning success.
The study also highlights the
economic impact of English proficiency. Survey responses indicated that
bilingual individuals earned between
30% and 50% more than monolinguals in equivalent roles. This
income advantage reflects the
high demand for cross-cultural communicators in globalized labor
markets (Callan, 2014; Saiz & Zoido, 2005). Employers increasingly seek candidates with strong

intercultural and language skills to enhance international collaboration and market competitiveness.

Furthermore, English
proficiency was associated with increased job mobility and access to a wider range
of career paths, contributing to social advancement and financial security.
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Beyond these immediate benefits, many
EFL students reported greater access to global educational and
professional opportunities
. Proficiency in English enabled them to pursue international scholarships and
study at prestigious institutions abroad, expanding their academic and cultural horizons. This exposure

also facilitated entry into
global networks and participation in international organizations, including
multinational companies, NGOs, and cross
-border initiatives (Crystal, 2003; Jenkins, 2015).
In conclusion, the findings underscore the
comprehensive benefits of EFL learning across multiple
domains. The measurable 20% academic performance increase reflects the intellectual gains of bilingual

education. Students’ enhanced confidence and adaptability signal meaningful social
-emotional
development, while teachers’ observations a
ffirm the cognitive growth fostered by language acquisition.
Economically, bilingualism translates into higher earnings and broader career options. Together, these

results adv
ocate for stronger investment in EFL education to promote equitable, globally relevant
learning experiences and long
-term success for learners in Latin America.
CHARTS

Chart
1. Comparative Academic Scores
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Chart
2. Employment Rate by Language Proficiency Level
Chart 3
. Socioeconomic Benefits of English Proficiency
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Chart 4
. Student Self-Reported Confidence and Motivation Levels
DISCUSSION

The findings of this study highlight the broad and interrelated benefits of learning English as a foreign

language (EFL), encompassing academic, cognitive, emotional, and economic dimensions.

Beginning with educational outcomes,
Chart 1 reveals a significant performance gap: EFL students
achieved an average score of
85, compared to 71 among their monolingual peers. This disparity
reinforces previous research linking bilingualism to enhanced cognitive flexibility, metalinguistic

awareness, and working memory
key contributors to academic achievement (Cummins, 2000;
Krashen, 1982). EFL le
arners’ ability to manipulate linguistic structures appears to support not only
their English acquisition but also their overall academic development across
subjects.
These findings align with
Vygotsky’s sociocultural theory, which emphasizes the pivotal role of
language and social interaction in cognitive development. In collaborative learning environments, EFL

students benefit from peer interaction and instructional scaffolding, both of which contribute to

expanding their
zone of proximal development. Teacher interviews further confirmed that EFL learners
demonstrate higher levels of participation, engagement, and willingness to take academic risks
traits
that strongly
correlate with improved educational outcomes.
The economic benefits of EFL acquisition are equally compelling. As illustrated in
Chart 2, employment
rates correlate positively with English proficiency:
60% for basic, 75% for intermediate, and 90% for
advanced users. These trends are consistent with data from organizations such as the
British Council
pág. 1827
(2015)
and Cambridge Assessment English (2019), which advocate for English as a critical
employability skill. In Latin America
where economic inequality remains a major challengeEFL
instruction can serve as a powerful mechanism for improving access to skilled employment, competitive

salaries, and inte
rnational career opportunities.
Chart 3
further validates these outcomes: 80% of EFL learners reported increased income, 85% noted
greater job opportunities,
70% accessed scholarships, and 75% built wider professional networks. These
findings confirm the role of English as a driver of
social mobility, empowering students to engage with
global systems and transnational communities. Therefore, the data advocate for increased investment in

EFL programs as part of national strategies for inclusive and sustainable development.

The
affective dimension of EFL learning also deserves attention. According to Chart 4, EFL learners
reported higher levels of
confidence (88%) and motivation (92%), compared to 68% and 70%
respectively among non
-EFL learners. These results are consistent with Gardner’s Socio-Educational
Model (1985)
, which highlights motivation as a core determinant of successful language acquisition.
These psychological benefits further reinforce learners’ identity, resilience, and academic ambition.

The development of these affective traits underscores the importance of inclusive pedagogical

approaches, such as the
Universal Design for Learning (UDL). Interviews revealed that EFL classrooms
promote active student engagement, intercultural curiosity, and risk
-taking behaviorall essential
elements in building
intercultural competence, a vital 21st-century skill in an increasingly globalized
and diverse world.

Taken as a whole, the findings reveal a synergistic relationship among
cognitive, academic, emotional,
and economic development
fostered by EFL learning. Acquiring a foreign language provides more than
linguistic competence
it becomes a catalyst for personal and social empowerment, especially in
regions where access to quality education and international opportunities is limited. As such, EFL

programs should be recognized not only as educational priorities but also as long
-term investments in
human capital.

Furthermore, the study highlights the potential of EFL education to foster
social inclusion. The improved
outcomes of bilingual learners suggest that English instruction can help level the playing field in unequal

societies. However, realizing this potential depends on the
quality and accessibility of EFL programs.
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Without trained educators, updated resources, and systemic support, the transformative impact of

English learning cannot be fully achieved.

While the evidence is robust, this study acknowledges certain
limitations. The research focuses on Latin
American contexts, which may limit the generalizability of findings to other regions. Additionally, some

qualitative data were self
-reported, introducing potential bias related to perception and social
desirability. Future re
search should employ longitudinal designs, expand regional comparisons, and
explore the role of digital technologies and blended learning in EFL instruction.

In conclusion
, the findings validate the multifaceted value of EFL education. Its contributions to
academic performance, cognitive growth, emotional development, and economic opportunity
are deeply
interconnected. These insights not only enhance academic understanding but also provide practical

implications for
educators, policymakers, and development stakeholders committed to fostering equity,
inclusion, and excellence in global education systems.

CONCLUSION

The acquisition of English as a
foreign language (EFL) emerges as a powerful driver of both individual
advancement and broader societal progress, influencing cognitive, academic, emotional, and

socioeconomic dimensions. The findings of this study confirm that E
FL learners consistently outperform
their monolingual peers in standardized academic evaluations, illustrating the strong correlation between

bilingualism and enhanced cognitive functions such as problem
-solving, memory, and metalinguistic
awareness.
These academic gains translate into real-world outcomes, such as higher employability,
increased earning potential, and greater access to scholarships and international career pathways.

In addition to cognitive and academic benefits, the research also highlights the significant
emotional and
motivational advantages
of EFL learning. Students reported greater confidence, engagement, and
willingness to interact across cultural boundaries, suggesting that language learning promotes not only

educational achievement but also personal empowerment and social inclusion. These affec
tive outcomes
reinforce the role of
EFL education in preparing learners to thrive in culturally diverse and globally
co
nnected environments.
From a policy and practice standpoint, these insights underscore the urgent need to
expand and improve
E
FL education, particularly in marginalized and underserved communities across Latin America.
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Targeted investments in
teacher professional development, inclusive curriculum design, and
technology
-enhanced instruction are critical to ensuring equitable access and maximizing impact. EFL
programs should be
framed not merely as language initiatives, but as strategic tools for reducing
inequality and fostering upward social mobility
.
Looking ahead, future research should pursue
longitudinal studies to assess the sustained impact of EFL
learning over time, while also exploring the potential of
digital platforms and hybrid models in language
acquisition. As the demand for English proficiency grows worldwide, refining E
FL strategies will be
essential to
positioning language education as a truly transformative force in 21st-century society.
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