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Download more than 100 examples of thesis, proposal and project topics about nonlinear dynamics in editable WORD file format at undergraduate, graduate and doctoral levels for use and reference in research, articles, theses, student and academic projects.

Number of pages: 92 Category: Electronic Engineering

Master's Thesis in Electrical-Control Engineering Abstract In this article, diagnosis, reconstruction and fault prediction of nonlinear systems with uncertainty are investigated. The diagnostic criterion is the residual signal calculated from the difference between the system output and a sliding mode viewer. The idea of ??sliding mode is to compensate the effect of ...

Number of pages: 203 Category: Electronic Engineering

Master's Thesis of Precision Instrument Engineering and Industrial Automation in Oil Industries Abstract Non-linear dynamic systems face many challenges that must be investigated. Among these problems, we can point out things like extreme nonlinearity, changing operating conditions, dynamic uncertainty, both structured and unstructured, and external disturbances. Despite the ...

Number of pages: 91 Category: Electrical Engineering

Master's Thesis in Electrical-Control Engineering Abstract In this article, diagnosis, reconstruction and fault prediction of nonlinear systems with uncertainty are investigated. The diagnostic criterion is the residual signal calculated from the difference between the system output and a sliding mode viewer. The idea of ??sliding mode is to compensate the effect of ...

Number of pages: 129 Category: Facilities - Mechanics

Dissertation for Master's Degree in Mechanical Engineering (Applied Design) Abstract: Electromechanical micro and nano systems have been noticed due to their distinctive features and unique characteristics, mainly in the two fields of sensors and sensors, in various sciences such as mechanics, aerospace and medicine. Electrostatic stimulation is one of the simplest and most ...

Number of pages: 198 Category: Industrial Engineering

Master's Thesis of Precision Instrument Engineering and Industrial Automation in Oil Industries Abstract Non-linear dynamic systems face many challenges that must be investigated. Among these problems, we can point out things like extreme nonlinearity, changing operating conditions, dynamic uncertainty, both structured and unstructured, and external disturbances. Despite the ...

Number of pages: 209 Category: Civil Engineering

Thesis of master's degree in civil engineering, soil and foundation mechanics orientation, September 2019, abstract: analysis of dynamic interaction between soil and structure (due to the mutual effect of the structure and its retaining soil on each other), D

Number of pages: 123 Category: Electronic Engineering

Master's Thesis in the field of electrical engineering- control, abstract assessment of the transient stability of power systems using the data of phasor measurement units, quick assessment of security in power networks in emergency situations and the occurrence of various errors, is a vital thing to prevent collapse and create nationwide outages. Therefore, the evaluation ...

Number of pages: 109 Category: Electrical Engineering

Dissertation for Master's Degree in Mechatronics Engineering Persian Abstract The purpose of this project is to introduce a new approach for troubleshooting gas transmission pipelines using mechanical waves, which is much cheaper and easier than other methods. who are currently working. These lines are usually located in difficult environmental conditions and far away and in ...

Number of pages: 165 Category: Civil Engineering

Dissertation for receiving a master's degree (Sc..M) field: civil engineering, specialization: structure, abstract: In recent years, the subject of seismic isolation has been particularly focused on the seismic design of buildings. The main purpose of this work is to isolate the structure from the ground instead of using conventional retrofitting methods The equipment used in ...

Number of pages: 159 Category: Electronic Engineering

Dissertation for receiving a master's degree in electrical engineering, electronics orientation. Chaos theory was founded at the end of the 20th century by Lorentz. Chaos science investigates non-linear systems and their behavior in different conditions. Since the systems around us are mostly non-linear, by creating feedback in them, they may show chaotic behavior, so chaos ...

Number of pages: 186 Category: Electronic Engineering

Abstract This thesis deals with uncertainty estimation in robust control of robotic arms and presents new methods based on voltage control strategy for uncertainty estimation. The voltage control method is much simpler compared to the conventional torque control method, because it does not require a complex non-linear model of the robot. As a result, the volume of controller ...

Number of pages: 155 Category: Electrical Engineering

Dissertation for receiving a master's degree in electrical engineering, electronics orientation. Chaos theory was founded at the end of the 20th century by Lorentz. Chaos science investigates non-linear systems and their behavior in different conditions. Since the systems around us are mostly non-linear, by creating feedback in them, they may show chaotic behavior, so chaos ...

Number of pages: 122 Category: Electrical Engineering

Master's Thesis in the field of Electrical Engineering - Control Abstract Evaluation of the transient stability of power systems using the data of phasor measurement units by the efforts of Hanieh Mohammadi Rapid evaluation of security in power networks in emergency situations and the occurrence of various errors is a vital thing to prevent collapse and create nationwide ...

Number of pages: 112 Category: Facilities - Mechanics

Master's Thesis for Master's Degree Abstract Carbon nanotube can be considered the most amazing nanostructured material discovered so far. Unique features such as high strength, light weight, and high energy absorption capability have made this material recently attracted the attention of scientists in making bulletproof vests. In this thesis, a structural model in the Abaqus ...

Number of pages: 148 Category: Facilities - Mechanics

Master's Thesis in Mechanical Engineering (Applied Design) Introduction The question of the generating factor has always been raised as a dynamic question in all fields of science. Due to the complexity and unforeseen factors and the lack of all-round human mastery over physical issues, it has not been possible to identify the causative factor in many cases, therefore, due to ...

Number of pages: 119 Category: Electrical Engineering

Dissertation for M.Sc. Electrical Engineering - Control Abstract Considering the high consumption of petrochemical products in the world today and Iran's high potential for the development and supply of petrochemical feedstock, petrochemical complexes are of special importance. Therefore, one of the important reactions called acetylene hydrogenation has been investigated and ...

Number of pages: 124 Category: Facilities - Mechanics

Dissertation for master's degree in Applied Design-Dynamics and Control Abstract: Transverse instability is one of the common problems in high-speed rail vehicles, which occurs on rails without arches and due to the friction-creep nature of wheel-rail contact that creates non-conservative forces in the system. This phenomenon is called hunting, which is a type of ...

Number of pages: 190 Category: Electronic Engineering

Dissertation for Doctoral Degree Abstract This thesis deals with uncertainty estimation in robust control of robotic arms and presents new methods based on voltage control strategy to estimate uncertainty. The voltage control method is much simpler compared to the conventional torque control method, because it does not require a complex non-linear model of the robot. As a ...

Number of pages: 88 Category: Geography - Urban Planning

Dissertation for Master's Degree (M.Sc.) Investigating the application of artificial neural network method in estimating the annual runoff of watersheds (Case study: Total Watershed, Fars Province) by: Jalal Zarei Abstract: The importance and place of water in human life, especially in the modern and overpopulated world, is not hidden from anyone, and industrial and urban life ...

Number of pages: 124 Category: Electrical Engineering

Abstract Changing the parameters in an industrial process causes the process to go out of its optimal working point. This change, in turn, will reduce the efficiency of closed-loop controllers that are designed for the optimal operating point of the system. Therefore, it is necessary to first detect and identify these changes as a defect and then correct the system behavior by ...

Number of pages: 124 Category: Facilities - Mechanics

Presented to obtain a master's degree in the field of mechanical engineering-applied design orientation. Abstract In this research, we investigated the free vibration of a cracked beam and found its natural frequencies. In the first part, by using the open crack model, by modeling the cracked part as a beam-shaped element and satisfying the boundary conditions, we obtained the ...

Number of pages: 141 Category: Management

Master's Thesis: Tourism Management Introduction In the circumstances that the 20th century has ended, rural development is still facing many issues and challenges, because the past strategies in the field of rural development have not been successful and have not been able to provide for issues such as poverty, employment, health, food security and environmental sustainability.

Number of pages: 134 Category: Management

Master's Thesis of Faculty of Humanities, Department of Management Abstract Considering the importance of brands in creating value and increasing the cash flows of institutions, it is necessary for managers of units to pay special attention to this category and strive to form, create and maintain a brand that can meet the expectations of consumers, shareholders and other groups ...

Number of pages: 134 Category: Management

Master's Thesis of Faculty of Humanities, Department of Management Abstract Considering the importance of brands in creating value and increasing the cash flows of institutions, it is necessary for managers of units to pay special attention to this category and strive to form, create and maintain a brand that can meet the expectations of consumers, shareholders and other groups ...

Number of pages: 100 Category: Civil Engineering

Master's thesis in the field of civil engineering, structural orientation. Abstract In this study, the evaluation and comparison of nonlinear and numerical analysis of deep reinforced concrete beams with openings without reinforcement with deep concrete beams with openings reinforced with FRP sheets and deep reinforced concrete beams without openings by Abaqus finite element ...

Number of pages: 151 Category: Civil Engineering

Master's thesis in the field of civil engineering, soil and foundation, today, due to the progress of the tunneling industry, the need to analyze and design underground structures in rocky environments is felt more than in the past. Although there are many numerical and practical software available in this field, none of them are complete and perfect in all fields, and each of ...

Number of pages: 87 Category: Civil Engineering

To obtain a master's degree in the field of civil engineering - structural orientation. Abstract: The subject of this research is to investigate the level of performance and accuracy of methods based on non-linear static analysis and the need to retrofit steel buildings with a dual system of bending frame with cross brace and convergent 7-shaped brace designed with the 2800 Iran ...

Number of pages: 123 Category: Literature - Persian Language

Master's Thesis in Persian Language and Literature Abstract: In the eyes of linguists, movement means the movement and transfer of a body from one place to another. Movement and dynamism are created in the poem when the poet is rich in thought and emotion, and his poem is a reflection of nature and life and is tied to human emotions, and the poet, relying on goodness and purity ...

Number of pages: 140 Category: Civil Engineering

Master's thesis in the field of road, building and environmental engineering - hydraulic structures Abstract In this research, nonlinear wave differential equations are solved by the local RBF-DQ numerical method. These differential equations are in the form of Laplace's equation (as a governing equation) and nonlinear boundary conditions on the free surface; The basis of the ...

Number of pages: 145 Category: Chemical - Petrochemical Engineering

Dissertation for obtaining the master's degree ""M.Sc."" (Chemical Engineering - Thermodynamics and Kinetics) Abstract: Keywords: Computational fluid dynamics, bubble, continuity and failure, floating bed reactors, multiphase systems, vertical vertical flows, PBM, DQMOM, recently liquid gas floating bed reactors have received attention due to their wide application in chemical, ...

Number of pages: 121 Category: Chemical - Petrochemical Engineering

Dissertation for receiving a master's degree in chemical engineering, advanced orientation. Abstract The limitation of heat transfer fluids in various industries due to their poor thermal conductivity has caused the improvement of the heat transfer of working fluids to be considered as a new method of advanced heat transfer. So that the idea of ??dispersing solid particles in ...

Number of pages: 122 Category: Physics

Dissertation for receiving a master's degree in chemical engineering, advanced orientation. Abstract The limitation of heat transfer fluids in various industries due to their poor thermal conductivity has caused the improvement of the heat transfer of working fluids to be considered as a new method of advanced heat transfer. So that the idea of ??dispersing solid particles in ...

Number of pages: 94 Category: Facilities - Mechanics

Master's Thesis in Mechanical Engineering, Applied Design, Abstract In this research, an analytical solution is presented to show the size dependence and the effect of temperature difference on nonlinear free vibrations and post-buckling behavior of microtubes containing current. Based on Euler-Bernoulli model, strain gradient theory, Couple's stress theory and von-Carman ...

Number of pages: 133 Category: Electrical Engineering

Abstract: The design of output resistant static controller to achieve fuzzy tracking for nonlinear systems described by Takagi-Sugno T-S model. The subject of this thesis is related to the problem of designing output resistant static controller to achieve fuzzy tracking for systems with time delay and uncertainty that can be modeled by Takagi-Sugno (T-S) fuzzy modeling. The ...

Number of pages: 86 Category: Facilities - Mechanics

The thesis for obtaining a master's degree in the field of mechanics, investigating and analyzing the free and forced vibrations of a multi-walled carbon nanotube placed in an elastic medium in order to achieve a clear mathematical understanding of the behavior of different walls of the nanotube under the influence of van der Waals forces and the elastic medium is one of the ...

Number of pages: 86 Category: Biology - Environment

Dissertation for the Master's degree ""M.Sc"" in Mechanical Engineering - Energy Conversion. Abstract In this thesis, experimental analysis along with numerical simulation has been carried out to investigate the performance of Savunius vertical axis wind turbine. In order to carry out the tests, the turbine was tested in the subsonic wind tunnel. In order to check the accuracy ...

Number of pages: 162 Category: Facilities - Mechanics

Master's thesis in the field of mechanical engineering (applied design) abstract of dynamics and adaptive fuzzy control of limited-time sliding mode of hexa-parallel robots using the synchronization error of the development and increase of industrial production and the subsequent economic and social growth of a society in the new century is tied to the automation of production ...

Number of pages: 138 Category: Facilities - Mechanics

Submitted for Master's Degree Submitted for Master's Degree Abstract In addition to lateral instability, one of the major threats to passenger cars, especially SUVs, is the risk of overturning. In this thesis, a coordination strategy based on fuzzy logic is designed for the integrated operation of active steering, differential, brake and anti-roll bar subsystems. Separate ...

Number of pages: 149 Category: Management

Abstract The main purpose of the research is to investigate the relationship between business strategy and profit quality in companies admitted to the Tehran Stock Exchange market. The statistical sample of the research includes 145 companies accepted in Bo

Number of pages: 149 Category: Librarianship

Abstract The main purpose of the research is to investigate the relationship between business strategy and profit quality in companies admitted to the Tehran Stock Exchange market. The statistical sample of the research includes 145 accepted companies

Number of pages: 83 Category: Civil Engineering

Dissertation for obtaining a master's degree in civil engineering. 2013 Winter Earthquake Abstract of earthquakes close to the fault due to having pulse type movement with a long period at the beginning of the record, including

Number of pages: 133 Category: Civil Engineering

Dissertation for receiving a master's degree in the field of structural oriented civil engineering, 2013, although the construction and design methods of structures have expanded over the years, but still the effect of earthquakes is one of the most important.

Number of pages: 121 Category: Civil Engineering

end‌name? Rasht Master's Degree: Civil Engineering (M.S.C.) Focus: Hydraulic Structures Academic Year 2011-2012 Summary of the Minab River, the most important river of Khan? The fresh water is in Hormozgan province. this river

Number of pages: 154 Category: Civil Engineering

Dissertation for obtaining a master's degree in civil engineering – Spring 2014 structure trend, first chapter, general research 1-1- Introduction: Mostly structures for severe earthquakes and surface acceptance

Number of pages: 75 Category: Management

Dissertation for receiving a master's degree in the field of executive management, strategic management, June 2013. Abstract: The purpose of this research is to investigate the relationship between transformational leadership and organizational citizenship behavior of employees.

Number of pages: 134 Category: Educational Sciences

Dissertation for Master's Degree (M.A.) Field: Educational Sciences Orientation: Elementary Education Summer/ 2013 Abstract The purpose of this research is to investigate the role of electronic education classes

Number of pages: 170 Category: Civil Engineering

Dissertation of Master's Degree in Civil Engineering – Earthquake Engineering 2013 Abstract: Concrete beam and slab bridges with neoprene supports are among the most common highway bridges in the country.

Number of pages: 108 Category: Civil Engineering

Dissertation for master's degree in civil-structural field winter 2012 Abstract In recent years, the number of buildings that have suffered damage due to the loss of their gravity-bearing members has increased. Therefore, it has become important to design structures so that they are resistant to progressive damage in addition to the effects of earthquakes. One of the factors ...

Number of pages: 115 Category: Civil Engineering

Master's Thesis in Civil Engineering - Structural Orientation, February 2013 Abstract: The performance of a building during an earthquake depends on many factors, as a result, predicting the seismic performance of structures should be considered either explicitly or implicitly as part of the design or evaluation. Predicting the seismic response of the structure is very ...

Number of pages: 229 Category: Architectural Engineering

Master's Thesis (M.A) in the field of architectural engineering for the academic year 2011-2018 Abstract: The similarity between cinema and architecture in terms of concept, idea development and the process of producing a work, can be read into these two artistic categories.

Number of pages: 148 Category: Management

Master's Thesis Field: Executive Management Focus: Strategic Management Academic Year: 1389-1391 Abstract of Research Measuring market risk is a problem that has been on researchers' minds for a long time

Number of pages: 158 Category: Management

Thesis of master's degree in media management, winter 2013, the study of Hamshahri, Jam Jam and Khorasan online newspapers, the literature abstract of the subject in the field of online newspapers, including articles

Number of pages: 192 Category: Management

Dissertation for Master's Degree in Public Management, Organizational Transformation Orientation Winter 1391 Abstract The current research aims to investigate the relationship between transformational leadership and Empowerment of psychology

Number of pages: 108 Category: Civil Engineering

Dissertation of master's degree in structural engineering February 2019 Chapter 1: Introduction 1-1. General, one of the most important natural events that always affects the lives of human beings

Number of pages: 138 Category: Insurance

Executive Management Master's Thesis Abstract In today's marketing, the cost of losing a customer is equal to losing the benefits of the service that customer needs throughout his life. Insurance can be considered as one of the vital economic arteries of any country. The main goal of insurance marketing management is to attract new customers and retain previous customers and ...

Number of pages: 84 Category: Educational Sciences

Dissertation for Master's Degree in Information Science and Epistemology Keywords: change management, preparation for change, library services, central library of Tarbiat Modares University, academic libraries Persian Abstract: Change means leaving one state and arriving and settling in another state. Today's organizations are facing wider changes than in the past in various ...

Number of pages: 131 Category: Educational Sciences

Master's Thesis in Curriculum Planning The present study was conducted with the aim of investigating the characteristics of peace education in the primary school curriculum from the perspective of teachers and experts. The descriptive research method is of the contextualization type. The statistical population of the research included all primary school teachers in the 2nd ...

Number of pages: 79 Category: Psychology

Master's Thesis in Psychiatry Abstract The union of couples is an official social initiation, the continuation of which strengthens the foundation of the family. Nowadays, spouses benefit from interventions and specialized training in order to increase intimacy and improve marital relations. The general purpose of the current research is to investigate the effectiveness of group ...

Number of pages: 108 Category: Psychology

Abstract: The aim of this study is the way of spending free time of Shahrized teachers with emphasis on sports activities and its relationship with job burnout in academic year 92-93. This research is of a descriptive and expressive type, and the method of collecting data and information, documentary and library studies and field studies, as well as the data collection tool, a ...

Number of pages: 166 Category: Industrial Engineering

In order to receive a master's degree in industrial engineering in July 2014, the intense market competition of banks and the establishment of new private financial institutions and banks in Iran obliges banks every

Number of pages: 142 Category: Social Sciences - Sociology

Dissertation for Master's degree (M.A.) Thesis abstract (including summary, objectives, implementation methods and results obtained): Changes in the age structure of the world population are the results of demographic transition and reduction of mortality and fertility. With increasing age, the health of the elderly can be threatened. The elderly have the fastest population ...

Number of pages: 225 Category: Geography - Urban Planning

Dissertation for Master's Degree (M.A. Field: Geography and Urban Planning Abstract: As we know, with the significant increase in population and the modern development and industrialization of cities, the problems of more people, which, along with these problems, the issue of people's leisure time was raised due to the lack of leisure facilities in our society, made the ...

Number of pages: 213 Category: Management

Department of Business Management Thesis for receiving a master's degree (M.A.) orientation: transformation, the challenges faced by organizations due to environmental changes, have created the need to establish new behaviors, especially readiness for change, and the components of the learning organization are a response to this need. The purpose of this study is to examine the ...

Number of pages: 93 Category: Insurance

Dissertation for Master's Degree (M.A.) Field: Business Management Major: Insurance Abstract Life insurance is used as a tool for investment and also to overcome the problems caused by the death of the head of the family and old age. In many countries, with life insurance, a huge financial source in the whole society is obtained from the insurance premiums that can be used for ...

Number of pages: 134 Category: Librarianship

Dissertation for receiving a master's degree, specialization: accounting, abstract: the theory of capital structure presents two competing models for the financing decisions of joint-stock companies. The parallel model and the preference model. In the parallel model, companies identify the optimal leverage by establishing a balance between the benefits and the costs of debt. For ...

Number of pages: 110 Category: Psychology

Dissertation for Master's Degree (M.A.) Major: General Abstract: The purpose of this research was to explain the relationship between the feeling of connectedness and emotional inadequacy with happiness. In terms of its nature and goals, this research is scientific and correlation method was used for its implementation. The statistical population of this research consisted of ...

Number of pages: 152 Category: Geography - Urban Planning

Dissertation for obtaining a master's degree in the field: Natural Geography, specialization: Geomorphology in environmental planning. Abstract: Today, one of the important factors in the occurrence of damages caused by environmental hazards is the lack of complete and scientific knowledge in different areas. The watersheds of Iran, especially in the watersheds of the Caspian ...

Number of pages: 109 Category: Geography - Urban Planning

Thesis for M.A. Geography and Tourism Planning Introduction The nature of tourism in any society is affected by complex and intertwined economic, political, cultural and social factors. Despite the remarkable economic consequences of the tourism industry, many experts believe that tourism is more of a cultural phenomenon than an economic activity. Over the centuries, people ...

Number of pages: 158 Category: Economics

Sources a) Persian sources: 1- Abrishmi, Hamid; Mehrara, Mohsen (1383), Deviation of equilibrium real exchange rate and woodworking policies in Iran's economy. Business research paper. Quarterly No. 33. 2- Abrishmi, Hamid; Mehrara, Mohsen (1384), methods of regulating and balancing the foreign exchange market and encouraging the purchase of goods and services from within. ...

Number of pages: 171 Category: Management

Master's thesis in the field of business management (marketing) Abstract: The present research was conducted with the aim of determining the relationship between internal marketing and organizational citizenship behavior with regard to the moderating role of distributional leadership in Bank Mellat branches of Ilam province. The research method used is descriptive and ...

Number of pages: 109 Category: Psychology

Dissertation for Master's Degree in Psychology (M.A) Major: General Abstract of research on the relationship between religion and health has often shown positive relationships between these two variables. People who have a weak sense of social and religious adequacy, turn to drugs to escape from social anxiety and are vulnerable. On the other hand, addiction destroys moral, ...

Number of pages: 194 Category: Geography - Urban Planning

Dissertation for Master's Degree (M.A.) Field: Geography and Rural Planning Abstract Rural growth and development is closely related to the participation of villagers, because participation actually increases the efficiency of economic, social and cultural programs and the quality of decision-making for rural areas. The weak participation of the people in the rural society ...

Number of pages: 173 Category: Psychology

Dissertation for M.A. Master's Degree Abstract Objective: Paying attention to social support and mental health and coping skills of addicts during addiction recovery is an important and valuable issue for success in addiction recovery. The general purpose of this research is to determine the social support, coping strategies, and mental health of addicts anonymous and addicts ...

Number of pages: 169 Category: Social Sciences - Sociology

Dissertation for Master's Degree in Educational Research Abstract The purpose of this research was to investigate the effectiveness of the educational objectives of the in-service training courses of Refah Bank in Hormozgan province, which was sampled by 150 employees of Refah Bank branches in Hormozgan province. The two tools used in this research include a) a 50-question ...

Number of pages: 166 Category: Psychology

Dissertation for Master's Degree (M.A.) Direction: General The relationship between sexual components and communication skills with marital satisfaction in married women of Gachsaran city Abstract This research was conducted in order to investigate the relationship between sexual components and communication skills with marital satisfaction in married women. The current research ...

Number of pages: 255 Category: Management

Dissertation for Master's Degree (M.A) in Business Administration, Administrative Transformation, Abstract Nowadays, in addition to research and education, universities play a role in the new mission of participation in the economic development of society. In the current research, an attempt has been made to explain the process of commercialization and the results of university ...

Number of pages: 75 Category: Social Sciences - Sociology

Abstract Many evidences indicate the reduction of social trust in all dimensions and emotional and particularistic bias in the relations of activists at all levels in Iran. On the other hand, the issue of social trust in the university as an environment that includes people from different groups and cultures, the necessity of trust as a glue that binds these different groups ...

Number of pages: 114 Category: Psychology

The thesis for receiving a master's degree in the field of educational psychology ""M.A"" Abstract of the present research was carried out with the aim of ""investigating the relationship between cognitive styles and self-regulated learning with superior hand in students"". The sample consisted of 90 students who were selected through random cluster sampling from the female ...

Number of pages: 142 Category: Psychology

Dissertation for Master's degree (M.A) Lovemaking styles and personality traits with quality of life Abstract: The present research examines the simple and multiple relationship between lovemaking styles and personality traits with quality of life. Therefore, the aim of the present study was to investigate the relationship between lovemaking styles and personality traits with ...

Number of pages: 129 Category: Psychology

Dissertation for M.A. Degree: Clinical Psychology Abstract Objective: The present study compares active schemas in depressed subjects with anxious subjects in non-profit Azad University students of Rasht city. The research method is correlational and post-event, comparative and cross-sectional. The statistical population of this research was all the people who studied in the ...