Ugur Dikbas Module 3 Assignment- Submit Variables, Operational Definitions, and Hypotheses

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Embry-Riddle Aeronautical University *

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202

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Electrical Engineering

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Dec 6, 2023

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docx

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1 Module 3 Assignment: Submit Variables, Operational Definitions, and Hypotheses Ugur Dikbas Embry-Riddle Aeronautical University RSCH 202 - Intro to Research Methods Dr. Ardain Isma May 6, 2023
2 Module 3 Assignment: Submit Variables, Operational Definitions, and Hypotheses General Topic of Interest: The impact of airplane emissions on the environment Research Objective/Purpose: The purpose of this study is to investigate the impact of airplane emissions on the environment and to identify possible solutions to mitigate their effects. Research Question(s): How do airplane emissions contribute to climate change, and what is the magnitude of this contribution? Independent Variable: Airplane Emissions - This variable represents the emissions that are released into the atmosphere by airplanes, such as carbon dioxide, nitrogen oxides, and particulate matter (Filippone & Parkes, 2021). Dependent Variable: Climate Change - This variable represents the long-term changes in the Earth's climate system, including global warming, rising sea levels, and changes in precipitation patterns, that are caused by the accumulation of greenhouse gases in the atmosphere, including those emitted by airplanes (Lee et al., 2009).
3 Intervening Variable: Atmospheric Chemistry - This variable represents the chemical reactions that take place in the atmosphere between the emissions from airplanes and other gases, such as water vapor, ozone, and methane, which can influence the magnitude and duration of their impact on climate change. Moderating Variable: Air Traffic - This variable represents the volume and distribution of airplane traffic across different regions and seasons, which can affect the spatial and temporal patterns of emissions and their interaction with the atmosphere. The relationships among these variables are complex and multidirectional. Airplane emissions are a primary cause of climate change, which in turn can feedback to influence atmospheric chemistry and climate patterns. At the same time, atmospheric chemistry can affect the persistence and composition of airplane emissions, as well as the radiative forcing of greenhouse gases. Finally, air traffic can modulate the exposure of different populations and ecosystems to airplane emissions, and the effectiveness of mitigation strategies. Operationalizing variables is a crucial step in research because it allows us to accurately measure and analyze the variables, we are interested in. For example, if we are investigating the impact of airplane emissions on the environment, we need to operationalize airplane emissions as a measurable quantity, such as the mass of pollutants emitted per flight. This ensures that we can accurately measure the effect of airplane emissions on the environment and compare our findings with other studies in the field. Overall, operationalizing variables is an essential aspect of research that helps us to gain meaningful insights into complex phenomena. Operationalizing the variables can be done in several ways. For instance, to measure airplane emissions, we could collect data on the mass of carbon dioxide, nitrogen oxides, and
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