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Uniform Nonparametric Inference For Time Series Using Stata, Jia Li, Zhipeng Liao, Mengsi Gao May 2023

Uniform Nonparametric Inference For Time Series Using Stata, Jia Li, Zhipeng Liao, Mengsi Gao

Research Collection School Of Economics

In this article, we introduce a command, tssreg, that conducts nonparametric series estimation and uniform inference for time-series data, including the case with independent data as a special case. This command can be used to nonparametrically estimate the conditional expectation function and the uniform confidence band at a user-specified confidence level, based on an econometric theory that accommodates general time-series dependence. The uniform inference tool can also be used to perform nonparametric specification tests for conditional moment restrictions commonly seen in dynamic equilibrium models.

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Economic Forecasting In A Pandemic: Some Evidence From Singapore, Hwee Kwan Chow-Tan, Keen Meng Choy May 2023

Economic Forecasting In A Pandemic: Some Evidence From Singapore, Hwee Kwan Chow-Tan, Keen Meng Choy

Research Collection School Of Economics

This paper aims to investigate whether the predictive performance and behaviour of professional forecasters are different during the COVID-19 pandemic as compared with the global financial crisis of 2008 and normal times. To this end, we use a survey of professional forecasters in Singapore collated by the central bank to analyse the forecasting records for GDP growth and CPI inflation for the period 2000Q1–2021Q4. We first examine the point forecasts to document the extent of forecast failure duringthe two crises and explore various explanations for it, such as leader-following and herding behaviour. Then, using percentile-based summary measures of probability distribution …

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On The Spectral Density Of Fractional Ornstein-Uhlenbeck Process: Approximation, Estimation, And Model Comparison, Shuping Shi, Jun Yu, Chen Zhang May 2023

On The Spectral Density Of Fractional Ornstein-Uhlenbeck Process: Approximation, Estimation, And Model Comparison, Shuping Shi, Jun Yu, Chen Zhang

Research Collection School Of Economics

This paper introduces a novel method for accurately approximating the spectral density of the discretely-sampled fractional Ornstein-Uhlenbeck (fOU) process. We utilize this approximated spec-tral density to develop an estimation method called the approximated Whittle maximum likelihood method (AWML) for fOU. Additionally, we develop a likelihood-ratio (LR) test using the approxi-mated spectral densities to distinguish between the fractional Brownian motion (fBm) and fOU pro-cesses, two popular models in the volatility literature. Simulation studies demonstrate that the AWML method improves the estimation speed and accuracy compared to existing ones and that the LR test is effective in distinguishing between the two processes …

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Teaching In The Right Context: Textbook Supply Program, Language, And Vocabulary Ability In Vietnam, Tomoki Fujii, Maki Nakajima, Sijia Xu May 2023

Teaching In The Right Context: Textbook Supply Program, Language, And Vocabulary Ability In Vietnam, Tomoki Fujii, Maki Nakajima, Sijia Xu

Research Collection School Of Economics

An ethnic gap in education is prevalent around the world. This remains the case in Vietnam, a country that has achieved phenomenal economic growth and raised the educational attainment of the public. This paper examines the impact of language policy reorientation represented by the textbook supply program in Vietnam on the ethnic gap in children's learning measured by a vocabulary test. Applying difference-in-differences estimation to the Young Lives data between 2006 and 2015, we show that the program became more effective in narrowing the ethnic gap as the education policy became reoriented toward ethnic minority children. A causal mediation analysis …

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Picaso: Enhancing Api Recommendations With Relevant Stack Overflow Posts, Ivana Clairine Irsan, Ting Zhang, Ferdian Thung, Kisub Kim, David Lo May 2023

Picaso: Enhancing Api Recommendations With Relevant Stack Overflow Posts, Ivana Clairine Irsan, Ting Zhang, Ferdian Thung, Kisub Kim, David Lo

Research Collection School Of Computing and Information Systems

While having options could be liberating, too many options could lead to the sub-optimal solution being chosen. This is not an exception in the software engineering domain. Nowadays, API has become imperative in making software developers' life easier. APIs help developers implement a function faster and more efficiently. However, given the large number of open-source libraries to choose from, choosing the right APIs is not a simple task. Previous studies on API recommendation leverage natural language (query) to identify which API would be suitable for the given task. However, these studies only consider one source of input, i.e., GitHub or …

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Evaulating Key Parameters Impacting Asphaltene Permeability Reduction Behavior In Micro-Pores During Carbon Dioxide Injection, Sherif Fakher, Aseel Al-Sakkaf, Mahmoud Ali May 2023

Evaulating Key Parameters Impacting Asphaltene Permeability Reduction Behavior In Micro-Pores During Carbon Dioxide Injection, Sherif Fakher, Aseel Al-Sakkaf, Mahmoud Ali

Faculty Journal Articles

Asphaltene is a heavy component of crude oil that can deposit in the pores of the formation and result in permeability reduction, and with time, pore plugging. Understanding the behavior of asphaltene and the mechanism by which it precipitates and deposits in the crude oil is vital in reducing asphaltene damage in the formation. Also, by evaluating asphaltene permeability reduction in the formation, we can predict the behavior of the asphaltene and determine the extent to which pore plugging will occur. This research studies the impact of carbon dioxide (CO2) pressure, temperature, and oil viscosity on asphaltene permeability reduction. These …

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Teaching Higher Education During A Pandemic: A Phenomenological Study Of Instructor Decisions Associated With Switching From Face-To-Face To Online-Only Sessions, Steven M. Miner May 2023

Teaching Higher Education During A Pandemic: A Phenomenological Study Of Instructor Decisions Associated With Switching From Face-To-Face To Online-Only Sessions, Steven M. Miner

STEMPS Theses & Dissertations

Due to the COVID-19 pandemic, university instructors were required to shift their course delivery from face-to-face to online-only presentations with two weeks of preparation. Volunteering instructors were interviewed via a semi-structured interview protocol regarding their actions to maintain instructor presence in an online-only setting. The term emergency remote teaching (ERT), defined by fellow researchers as the adoption of just-in-time remote teaching practices that would otherwise be offered face-to-face, aligned with the actions taken by interviewees. The data indicated that given an event requiring ERT, instructors should: overcome technology issues for themselves and their students to verify communication pathways, and exhibit …

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Can’T Let Go: Anxiety, Ontological Security, And French Foreign Policy Decision-Making During The Hollande Administration, Peter D. Langley May 2023

Can’T Let Go: Anxiety, Ontological Security, And French Foreign Policy Decision-Making During The Hollande Administration, Peter D. Langley

Graduate Program in International Studies Theses & Dissertations

Why does France continue to intervene militarily in sub-Saharan Africa despite repeated commitments, both in practice and in rhetoric, to disengage and adhere to strict non-intervention? Although many accounts of France’s African security policy have been put forth, few have analyzed French foreign policy choices through the decision-making process itself, let alone exclusively applied International Relations (IR) theories to understand those decisions. Synthesizing a narrative approach with an ontological security interpretation, which understands states as having identity security needs on top of their physical ones, I propose an alternative framework for understanding France’s security-seeking, threats to identity, and how they …

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Two Essays On Industry Tournament Incentives, Sarah Almisher May 2023

Two Essays On Industry Tournament Incentives, Sarah Almisher

Theses and Dissertations in Business Administration

A large body of literature has developed on the disparities in compensation among chief executive officers. Financial media has highlighted the fact that CEOs in the United States receive excessive pay and that the gap among executive compensation is soaring. High compensation creates incentives for CEOs to take higher risk in firm policies to land a more attractive position managing another firm and attaining higher pay which is considered the ultimate prize (Kale, Reis, and Venkateswaran 2009; Coles, Daniel, and Naveen 2006). This creates a tournament in the managerial labor market. We define this tournament as the pay differential between …

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Opportunities And Challenges From Major Disasters Lessons Learned Of Long-Term Recovery Group Members, Eduardo E. Landaeta May 2023

Opportunities And Challenges From Major Disasters Lessons Learned Of Long-Term Recovery Group Members, Eduardo E. Landaeta

Graduate Program in International Studies Theses & Dissertations

Natural hazards caused by the alteration of weather patterns expose populations at risk, with an outcome of economic loss, property damage, personal injury, and loss of life. The unpredictability of disasters is a topic of concern to most governments. Disaster policies need more attention in aligning mitigation opportunities with disaster housing recovery (DHR). The effect of flooding, which primarily impacts housing in coastal areas, is one of the most serious issues associated with natural hazard. Flooding has a variety of causes and implications, especially for vulnerable populations who are exposed to it. DHR is complex, involving the need for effective …

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U.S.-China Trade War: Phase One Agreement And Self-Enforcing Contracts, Hameedullah Hassani May 2023

U.S.-China Trade War: Phase One Agreement And Self-Enforcing Contracts, Hameedullah Hassani

Graduate Program in International Studies Theses & Dissertations

Sino-American bilateral trade relations have increased significantly in the past four decades since China started its economic reforms in 1978. The bilateral expansion in trade has been accompanied by increased complexity and tensions, which emerged in the form of a trade war during the President Trump administration. After a series of tit-for-tat tariff increases, in an attempt to address concerns through negotiations, both sides reached a Phase One agreement. However, the commitments made in the agreement were not delivered. In my thesis, I use the “self-enforcing contracts” theory to analyze the status of Phase One deal. The examination indicates that …

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Tobacco Smoking Among Saudi College Students: Validation Of An Arabic Health Belief Model Instrument, Saad Abdullah S. Alotaibi May 2023

Tobacco Smoking Among Saudi College Students: Validation Of An Arabic Health Belief Model Instrument, Saad Abdullah S. Alotaibi

Health Services Research Dissertations

This dissertation intended to learn more about Saudi college students' behavior in relation to the use of tobacco smoking. Multiple interrelated projects have been carried out in order to achieve this ambitious goal. The goal of the first study was to evaluate the scope of the existing smoking issue as indicated by research, by systematically estimating the prevalence of tobacco use among higher education students in Saudi Arabia. The second study aimed to systematically analyze and integrate the existing information on the determinants of smoking among Saudi college students. The last project aimed to develop a psychometric instrument to evaluate …

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Familia Adelante: Hope For Youth And Families At Risk, Gustavo A. Salgado May 2023

Familia Adelante: Hope For Youth And Families At Risk, Gustavo A. Salgado

Capstone Projects and Master's Theses

Partners for Peace (P4P) will implement the Familia Adelante (FA) project to help at-risk Latino families. Counselors, probation officers, and parents recommend cultural change adaptation programs for Latino families. DePanfilis (2006) believes neglect damages brain development more than trauma, but self-esteem issues affect adolescent behavior more than violence. Providing evidence-based services and support can help prevent abuse and neglect. Child abuse usually leads to delinquency, antisocial behavior, and unhealthy sexual behavior in adolescents. FA projects require parents to set limits, communicate with their children, work together, love, and use discipline as a corrective tool. P4P's FA project helps immigrant families …

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Improving Health, Diet, & Nutritional Awareness Among The Veteran Population, Denise Hernandez May 2023

Improving Health, Diet, & Nutritional Awareness Among The Veteran Population, Denise Hernandez

Capstone Projects and Master's Theses

The Veterans Transition Center of California (VTC) helps empower veterans that are experiencing homelessness by supporting them with resource connections to improve their health, financial, and housing status. Veterans suffer from poor health both physically and mentally for several reasons, however, having a poor nutritional diet is a common factor that results in critical medical conditions. The purpose of this project was to increase awareness of health, nutrition, and diet among veterans by creating a resource manual full of health-forward recipes using fresh and nutrient-rich ingredients. This manual became accessible to veterans through the VTC food pantry. Two veterans attended …

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Oral Health Program Assessment, Jacqueline Quintero May 2023

Oral Health Program Assessment, Jacqueline Quintero

Capstone Projects and Master's Theses

The Local Oral Health Program is a chronic disease prevention program focusing on providing educational workshops to parents who have children enrolled in schools with rates of 80% or higher of free or reduced lunch. Studies and surveys have revealed that low-income children have more cavities than those children in moderate and high-income families and they are not being addressed. The purpose of this project is to assess the effectiveness of the Oral Health Program which provides parents with educational workshops regarding dental services, government assistance, oral hygiene, and nutritional information. Post-surveys were distributed and collected after each workshop by …

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Artistic Expression As A Pathway To Mental Wellness, Rio Ochoa May 2023

Artistic Expression As A Pathway To Mental Wellness, Rio Ochoa

Capstone Projects and Master's Theses

Children in low-income communities do not have ways to express their feelings and emotions. Nueva Vista is a non-profit organization in the community of Santa Cruz that provides a variety of services including homework club that serve the communities around Santa Cruz County. The project is a series of workshops in partnership with Artistic Expression as a Pathway to Mental Wellness to give children who are in middle school and high school that come to homework club a way to use art to better their mental health and let their feelings out through their artwork. The workshops focus on the …

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Valuable Resources For Spanish-Speakers & Non-Residents Of Monterey County In Addiction Recovery, Analaura Perez May 2023

Valuable Resources For Spanish-Speakers & Non-Residents Of Monterey County In Addiction Recovery, Analaura Perez

Capstone Projects and Master's Theses

Sun Street Centers in King City is a non-profit organization that offers a residential treatment program for men and women experiencing addiction. Their mission is to prevent alcohol and drug addiction by providing resources to individuals and families despite their income level. The main issue was that Spanish-speaking clients and clients that are non-residents of Monterey County were in need of resources to guide them during their recovery process. The idea for this project is to provide resources to all residential clients in both English and Spanish and also offer them to clients who are non-residents of Monterey County. The …

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Project Emerald: Youth And Their Ability To Shine, Johnatan Portillo Ventura May 2023

Project Emerald: Youth And Their Ability To Shine, Johnatan Portillo Ventura

Capstone Projects and Master's Theses

This Capstone project was implemented at Growing Greatness located in Watsonville, CA to address the lack of access to leadership programs for the underserved youth in Watsonville with purpose of empowering them to become effective communicators and advocate for them to inspire change through an in-person workshop about speaking to inspire them for action by and speaking with passion, empathy and purpose. The project was implemented using a focus group based approach that involved participants and youth leaders. The evaluation of the project revealed that it met most of the expected outcomes, and that the participants reported significant improvements in …

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Community Program Resource Guide Of Activities For Youth, Bernadette M. Delariva May 2023

Community Program Resource Guide Of Activities For Youth, Bernadette M. Delariva

Capstone Projects and Master's Theses

Youth Alliance serves 81% of clients who are economically disadvantaged in the community of Hollister, with 75% identifying as Hispanic, and 70% of participants between the ages of 6-17. The problem to address is the community's lack of youth social support. The project is a Program Resource Guide for the clients of Youth Alliance. This project will address the issues of parents being unable to find accurate start dates, prices, and any financial assistance. An expected outcome of community collaboration around providing activities for youth is a decrease in crime, drug, and violence rates within the youth population. The project …

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Permanent Local Housing Allocation Grant, Angela Goncalves May 2023

Permanent Local Housing Allocation Grant, Angela Goncalves

Capstone Projects and Master's Theses

Pacific Grove, California is experiencing a lack of affordable housing. A Permanent Local Housing Allocation Grant was submitted to the California Department of Housing and Community Development on behalf of the City’s Housing Division. The funds will be used to provide rental assistance to alleviate the lack of affordable housing. The contributing factors include land use restrictions also known as zoning, a high demand for affordable rentals, and the high construction costs associated with the development of affordable housing. The consequences are homelessness, financial impacts, and poor health. A survey to determine the communities housing needs and priorities determined that …

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Graduation Anxiety, Britney Saguache May 2023

Graduation Anxiety, Britney Saguache

Capstone Projects and Master's Theses

Many graduating college students do not know how to manage their graduating anxiety and it can become a challenge to face. Anxiety during this time can cause students to feel worried leading up to graduation and have an impact on sleeping patterns, concentration in doing coursework and changes in relationships. This project is a workshop that includes ways to manage graduation anxiety and talks about fear of the future, relationship changes, dealing with expectations and the working world. When college students learn to manage graduation anxiety, it can help to overcome the unexpected, and bring back some control over the …

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Instructional Teaching Strategies For Special Education Students With Moderate To Severe Disability, Austin Self May 2023

Instructional Teaching Strategies For Special Education Students With Moderate To Severe Disability, Austin Self

Capstone Projects and Master's Theses

There is a plethora of beneficial teaching strategies for students with moderate to severe disabilities. Like each disability, each student is very unique with regards to their educational needs within the classroom. The purpose of this senior capstone is to explore the most effective teaching strategies that could be implemented for students with moderate to severe disabilities. Through the use of literature review, interviews with a professor of special education, three high school teachers, and a school psychologist, the result findings revealed that inclusion is one of the best teaching strategies that could be used to benefit students with moderate …

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Better Budtender Training, Vincent Mcdonald Castillo May 2023

Better Budtender Training, Vincent Mcdonald Castillo

Capstone Projects and Master's Theses

A survey conducted by the cannabis education program in the Monterey County Health Department (MCHD) concluded that around 57% of users in the county do not feel educated enough in the subject to form their own educated opinions about cannabis use (Cannabis Education Survey 2022). The MCHD decided to address this concern by collaborating with local dispensaries to provide an educational course in video form for budtenders. This video provides factual information on consumption methods, how differently they may affect people and the recommended time to wait before operating a vehicle. Following this education, consumers of cannabis will have reliable …

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Prevention Of Mental Health Problems In K-8 Students, Kaylee Bays May 2023

Prevention Of Mental Health Problems In K-8 Students, Kaylee Bays

Capstone Projects and Master's Theses

This senior capstone research examines the methods being used to prevent mental health problems in K-8 students. Research from Chandra and Minkovitz (2007) shows that due to the lack of knowledge, confidence, and resources, teachers and on-site staff are not able to provide the necessary help to students who need mental health services. Through the use of literature review, interviews with three elementary teachers and three administrative staff, and 30 anonymous student surveys, the result findings indicate that the K-8 school in the Manteca Unified School District (MUSD) currently tackles student mental health issues primarily by onsite counselors and Social-Emotional …

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Increasing College Students' Awareness Of Healthy Coping Strategies To Manage Stress, Evelyn Gallegos May 2023

Increasing College Students' Awareness Of Healthy Coping Strategies To Manage Stress, Evelyn Gallegos

Capstone Projects and Master's Theses

College students often lack awareness of healthy coping strategies to manage stress. College students experience stress due to the number of responsibilities, such as having a job or being a student-athlete, as well as keeping up with coursework. Stress can result in feelings of being overwhelmed, depression, lower academic performance, and even a risk of dropping out. When college students learn healthy strategies to cope with stress, it improves their overall mental and physical well-being. To address the lack of stress management awareness, I created a one-day workshop for college students who are members of the Women’s Soccer Club at …

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Mental Health In Substance Abuse Clinics: Illuminating The Importance Of Mental Health In The Behavioral Health And Human Services Field, Janette Amezcua Alcala May 2023

Mental Health In Substance Abuse Clinics: Illuminating The Importance Of Mental Health In The Behavioral Health And Human Services Field, Janette Amezcua Alcala

Capstone Projects and Master's Theses

Behavioral healthcare work is difficult. This can be seen in the high turnover rates in the field, including at Valley Health Associates, a substance abuse clinic in Monterey County. In an effort to address the high turnover rates, a pilot program was launched, applying what other companies are doing to improve not only work productivity but mindfulness in the workplace. While the results received were not what was anticipated, it was an excellent learning experience. The gravity of not addressing burnout is a continual cycle that, if nothing changes, will inevitably continue or possibly worsen over time. It is recommended …

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Project Emerald : Youth And Their Ability To Shine, Lupita Rocha-Fernandez May 2023

Project Emerald : Youth And Their Ability To Shine, Lupita Rocha-Fernandez

Capstone Projects and Master's Theses

A lack of leadership opportunities available to at-risk youth has caused an increased likelihood of struggles in school, higher rates of juvenile delinquency & a lack of job readiness skills. Growing Greatness is a non-profit organization located in Watsonville, California that teaches leadership and health advocacy workshops for youth who attend local middle schools and high schools. The purpose of this project was to implement a new online confidence building workshop. One of the activities was titled, “Group Agreements” and it shed light on a way to build on confidence, by creating a safe space that can provide a break …

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Preparing Teachers For Integrating Visual Arts For Academic Success Of Elementary School Students, Jennifer Roux May 2023

Preparing Teachers For Integrating Visual Arts For Academic Success Of Elementary School Students, Jennifer Roux

Capstone Projects and Master's Theses

The majority of people agree that students’ education should provide them with the essential skills to be successful in the 21st-century workforce. Although these same sets of skills are commonly practiced through the process of making art, art education continues to hold an inferior status in schools. This disconnection raises the question, what has led to the devaluation of art in academics? This senior capstone will explore how teachers are prepared to integrate visual arts into the classroom. Through the use of a literature review, interviews with three in-service teachers, and a survey of students majoring in Liberal Studies at …

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Developing Invisible And Visible Disability Education For Adults, Rachel Brigantino May 2023

Developing Invisible And Visible Disability Education For Adults, Rachel Brigantino

Capstone Projects and Master's Theses

Many adults may not be aware of the difference between invisible and visible disabilities and the necessary accommodations. This may cause their own perception of disabled individuals to be affected, and their lack of knowledge may have an impact on the way they teach their children about disabled individuals. As adults gain a greater understanding of disabilities, their stereotypical view of disabled individuals may decrease, and they may be able to create a more positive and inclusive attitude toward individuals with disabilities.

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Adjusting Emotional Intelligence And Coping Mechanisms To Improve Classroom Behavior, Emilia Davies-England May 2023

Adjusting Emotional Intelligence And Coping Mechanisms To Improve Classroom Behavior, Emilia Davies-England

Capstone Projects and Master's Theses

Monterey Bay Charter School is a Waldorf K-8 school in Monterey, California that focuses on the restorative justice approach to discipline. Post-pandemic, student misconduct has increased 56% with 87% of schools nationwide reporting student behavior worsening (NCES, 2022). In one first-grade classroom at Monterey Bay Charter, a project was implemented to improve classroom behavior among a caseload of 5 students. The program consisted of students individually leaving class to participate in weekly emotional intelligence and coping mechanism workshops. At the end of the project, it was reported that 67% of participants improved their behavior, while 33% remained the same. The …

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