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The theory to work is positivism - quantitative was developed by Auguste Comte was born in 1789 is a doctrine that investigates the relationships between real events. The samples taken are observable, measured and quantifiable.

This theory studies the real facts, which it admits as the only scientific reality, using the scientific method and the universal laws established in science. Its working method is based on experience and induction.

He rejects metaphysical knowledge and a priori his ideology is focused on overcoming social disorder to achieve progress.

The problem to study is the overweight in the students of basic primary education grade 3 of the district schools in the town of Engativa in Bogotá in relation to the consumption of artificial and packaged drinks contained in the lunchboxes.

The independent variable is the consumption of artificial drinks and packaged products, the dependent variable is the overweight of children.

Sampling would be carried out through surveys with closed questions where the frequency with which parents include these products in the children's lunchbox can be investigated, and additional data on the weight of the students will be taken in order to establish a relationship between the two variables for the study

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References. Pickering, Mary. Series: Auguste Comte Intellectual Biography. Cambridge : Cambridge University Press. 2009. eBook., Creswell, J. (2014). Qualitative Theory Use. In Research design: qualitative, quantitative, and mixed methods approaches (4th ed., pp. 98-102). California: SAGE Publications, Inc. Retrieved from https://drive.google.com/file/d/1ustFhZscHCi7CKKP4mVIn5wC2LKYvgfv/view?usp =sharing Nugrahenny, Z. (2012). Qualitative Research Methods for Second Language Education : A Coursebook. Retrieved from http://bibliotecavirtual.unad.edu.co/login?url=http://search.ebscohost.com/login.asp x?direct=true&db=nlebk&AN=532171&lang=es&site=edslive&ebv=EB&ppid=pp_Cover Postgrad.com. (n.d.). PhD Research Methods: Qualitative Research. Retrieved from https://www.postgrad.com/advice/phd/research_methods/qualitative_research

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It was developed by B. F. (Bun-hus Frederic) Skinner applied his ideas to offer a solution for many humans' problems. He became interested in psychology and read Pavlov's Conditioned Reflexes (1927) and Watson's Behaviorism (1924). He started to develop his theory from 1930 until 1990 B. F. Skinner has had a huge impact on psychology, and especially in the field of education. Skinner was an experimental and laboratory psychologist who invented and perfected his instruments. and it was used to study application of the principles of operant conditioning to various contexts such as learning and discipline at school, child development, behaviors social, mental illness, medical problems, drug addiction, and vocational training.

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This theory indicates that identify the term operant and replaces the old term "intentional" in classical psychology. Operant conditioning is a process of exercising control over the behavior of an organism in a certain environment, employing the application of the reinforcement. Includes maximum flexibility and adaptability.

As applied to my topic, this theory holds that I would expect my independent variable(s) Relationship between environmental stimuli and contingencies of reinforcement and changes in behavior; to influence or explain the dependent variable(s) the selection that exerts the environment is made on an organism. what has its particular history, has its genetic patrimony and at the time who answers is in a state of deprivation more or less large. Developing abilities operates on the set of these data because most operant conditioning occurs with some frequency only under certain conditions, so the probability that an operant is present is high only in the presence of certain environmental events called stimuli.

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Miles, M. y A. Huberman (1994). Qualitative data analysis. Sage Publications, London.

Miller, W. y B. Crabtree (1994). Clinical research. En Denzin, N. e Y. Lincoln

Skinner, B. F (1974) About behaviorism. Knopf. New York.

Teddlie, Ch. y A. Tashakkori. (2009). Foundations of mixed methods research. Integrating quantitative and qualitative approaches in the social and behavioral sciences. Sage Publications. California.

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So, in operant conditioning, it is said that stimuli control the operant response. Basic behavior modification techniques include reinforcing behaviors desired and the extinction of the others. Although punishment is seldom used, more often upon removal of a positive reinforcing stimulus than upon presentation of negative one. The work with learning disabilities need an environment that consider the person like a human with capacities, not only someone with problems

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Theoretical Perspective       The theory that I will use is the conception of a post-positivist social science or social action. It was developed by Max Weberand it was used to study the search for and explanation of the cause and consequences of social action and analyzes human behavior based on generalizations.  This theory indicates that Weber supports the theory of social action seeks to understand and interpret the behavior of people, identifying four ways as ideal prospects; social action as traditional, affective, rational according to values ​​and rational according to ends. He also argued that sociologists should have concepts that could be used by historians since society is constantly changing and that to maintain the interest of the social scientist it is also necessary to develop new typologies to adjust the changing reality.The social action could be presented in two ways; The individual social action that does not affect others and the social action of people in which other people are affected positively or negatively.. As applied to my topic, this theory holds that I would expect my independent variable(s) Be the behavior of the subject in society when he exercises actions without being aware that on some occasions, He is acting on behalf of others to influence or explain the dependent variable(s) because that according to our sociologist Max Weber exposes us an idea that he bases through statistics and surveys for the construction of new types of ideals, as long as individuals link to his authentic conduct and subjective sense.    

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Theoretical Perspective       The theory that I will use is the conception of a post-positivist social science or social action. It was developed by Max Weberand it was used to study the search for and explanation of the cause and consequences of social action and analyzes human behavior based on generalizations.  This theory indicates that Weber supports the theory of social action seeks to understand and interpret the behavior of people, identifying four ways as ideal prospects; social action as traditional, affective, rational according to values ​​and rational according to ends. He also argued that sociologists should have concepts that could be used by historians since society is constantly changing and that to maintain the interest of the social scientist it is also necessary to develop new typologies to adjust the changing reality.The social action could be presented in two ways; The individual social action that does not affect others and the social action of people in which other people are affected positively or negatively.. As applied to my topic, this theory holds that I would expect my independent variable(s) Be the behavior of the subject in society when he exercises actions without being aware that on some occasions, He is acting on behalf of others to influence or explain the dependent variable(s) because that according to our sociologist Max Weber exposes us an idea that he bases through statistics and surveys for the construction of new types of ideals, as long as individuals link to his authentic conduct and subjective sense.    

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ReferencesMoreno, I(2013,marzo 11). Diseño de investigación cuantitativa, VARIABLES E HIPOTESIS REVISTA DIGITAL VER FINAL. Recuperado de https://issuu.com/irenecmc/docs/dise_o_de_investigaci_n_cuantitativa__variables_e_Wigodski, J.(2010, Julio10)Metodologia de la Investigacion, variables. Recuperado de http://metodologiaeninvestigacion.blogspot.com/2010/07/variables.html[Sarah A]. (2013, May 27).  Independent and Dependent Variables in Quantitative Research. [Video File]. Retrieved from https://www.youtube.com/watch?time_continue=1&v=BgThelG7b6s Creswell, J. (2014). Quantitative Theory Use. In Research design: qualitative, quantitative, and mixed methods approaches (4th ed., pp. 12-14). California: SAGE Publications, Inc. Retrieved from https://drive.google.com/file/d/1MD-uKDcn1eKRppZSTwQnRJtiPx3wXowu/view?usp=sharingCreswell, J. (2014). Quantitative Methods. In Research design: qualitative, quantitative, and mixed methods approaches (4th ed., pp. 1-32). California: SAGE Publications, Inc. Retrieved from https://drive.google.com/file/d/1E514k0flp_gQWPZo49EwR3iCWGLxTQ-C/view?usp=sharing

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ReferencesMoreno, I(2013,marzo 11). Diseño de investigación cuantitativa, VARIABLES E HIPOTESIS REVISTA DIGITAL VER FINAL. Recuperado de https://issuu.com/irenecmc/docs/dise_o_de_investigaci_n_cuantitativa__variables_e_Wigodski, J.(2010, Julio10)Metodologia de la Investigacion, variables. Recuperado de http://metodologiaeninvestigacion.blogspot.com/2010/07/variables.html[Sarah A]. (2013, May 27).  Independent and Dependent Variables in Quantitative Research. [Video File]. Retrieved from https://www.youtube.com/watch?time_continue=1&v=BgThelG7b6s Creswell, J. (2014). Quantitative Theory Use. In Research design: qualitative, quantitative, and mixed methods approaches (4th ed., pp. 12-14). California: SAGE Publications, Inc. Retrieved from https://drive.google.com/file/d/1MD-uKDcn1eKRppZSTwQnRJtiPx3wXowu/view?usp=sharingCreswell, J. (2014). Quantitative Methods. In Research design: qualitative, quantitative, and mixed methods approaches (4th ed., pp. 1-32). California: SAGE Publications, Inc. Retrieved from https://drive.google.com/file/d/1E514k0flp_gQWPZo49EwR3iCWGLxTQ-C/view?usp=sharing

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The theory that I will use is Theory of Expression. It was developed by Karl Bühler (1934). It was found out during the studies of the theory of Language by the psychologist Karl Bühler, who noticed that language theory was divided in three parts, where one was the theory of expression, this is a complement of the language inasmuch as, human expressions use gestures, movements, facial expressions, etc; and it was used to study how expressions give to the language a different understanding in the communication process. Also, to analyze the interaction between interlocutors and to realize the gestural manifestation of the mental or intentional dimension. This theory indicates that expressions can be used for explaining the hypothesis that the dimensions of vocalized language have the same functions that maintain inner language, it is necessary to understand the possible relationship between them during experience (Bühler 1934/1965). As applied to my topic, this theory holds that I would expect my independent variable Causes that affect the teaching English for deaf people to influence or explain the dependent variables: strategies for teaching English to deaf people, minimum abilities for teaching English to deaf people; because if we, as future teachers, have inclusive students like deaf students, we need to know how to teach them at least the basic english level. Then, It's necessary to train us in special needs for attending our students in the best way.

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Fossa, Pablo. (2017). La dimensión expresiva del habla interna. Psicología USP, 28(3), 318-326. https://doi.org/10.1590/0103-656420160118.

Centro Virtual Cervantes, tomo VIII. Nums 1, 2 y 3 (1952) Karl Bühlen Teoría del Lenguaje. Retrieved from: https://www.yumpu.com/es/document/read/20659924/karl-buhler-teoria-del-lenguaje

[Sarah A]. (2013, May 27).  Independent and Dependent Variables in Quantitative Research. [Video File]. Retrieved from https://www.youtube.com/watch?time_continue=1&v=BgThelG7b6s

Creswell, J. (2014). Quantitative Theory Use. In Research design: qualitative, quantitative, and mixed methods approaches (4th ed., pp. 12-14). California: SAGE Publications, Inc. Retrieved from https://drive.google.com/file/d/1MD-uKDcn1eKRppZSTwQnRJtiPx3wXowu/view?usp=sharing

Creswell, J. (2014). Quantitative Methods. In Research design: qualitative, quantitative, and mixed methods approaches (4th ed., pp. 1-32). California: SAGE Publications, Inc. Retrieved from https://drive.google.com/file/d/1E514k0flp_gQWPZo49EwR3iCWGLxTQ-C/view?usp=sharing

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Theoretical Perspective

The theory that I will use is learning at home and at school. It was developed by Hilary Minns and it was used to study the process of literacy that children live first at home and after at the school. This theory indicates that teachers and parents can work together to have a better position in the literacy process. As applied to my topic, this theory holds that I would expect my independent variable(s) the process of literacy to influence or explain the dependent variable(s) parents and teachers accompaniment because all the literacy process, especially the reading process is an stage of the life where children need the accompaniment of their parents (at home) and of the teachers (at school) but in the same way for better results.

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References

Write here the references used to write your Theoretical Perspective using APA style.

[Sarah A]. (2013, May 27).  Independent and Dependent Variables in Quantitative Research. [Video File]. Retrieved from https://www.youtube.com/watch?time_continue=1&v=BgThelG7b6s

Creswell, J. (2014). Quantitative Theory Use. In Research design: qualitative, quantitative, and mixed methods approaches (4th ed., pp. 12-14). California: SAGE Publications, Inc. Retrieved from https://drive.google.com/file/d/1MD-uKDcn1eKRppZSTwQnRJtiPx3wXowu/view?usp=sharing

Creswell, J. (2014). Quantitative Methods. In Research design: qualitative, quantitative, and mixed methods approaches (4th ed., pp. 1-32). California: SAGE Publications, Inc. Retrieved from https://drive.google.com/file/d/1E514k0flp_gQWPZo49EwR3iCWGLxTQ-C/view?usp=sharing

Minns, H. (1997). Read it to me now! Learning at home and at school. Retrieved from https://books.google.es/books?hl=es&lr=&id=YYflAAAAQBAJ&oi=fnd&pg=PP1&dq=learning+at+home&ots=9OJE2vmtw4&sig=xitsFSeUFGDI2UKFvpv4CaY31gY#v=onepage&q=learning%20at%20home&f=false