KevinThongkham_Module9_ResearchMethodologyandAnalysisReport

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1 Research Methodology and Analysis Report Kevin Thongkham Embry-Riddle Aeronautical University - Worldwide Dr. Natalie Walker RSCH 202 – Introduction to Research Methodology March 10, 2022

2 Research Methodology and Analysis Report Study Design Research is conducted to gain more insight into factors that help with scientific, social, and professional evolution. For this assignment, the research study focuses on how to grow healthy Petunias flowers at home. The study aims to determine how changes in soil type affect the plant’s growth. To this regard, the study will examine whether soil that is too acidic effects growth, significance of soil pH for petunias, how much sunlight is needed, why some Petunias turn yellow, how much water promotes optimal growth and what environmental factors affect its growth. The study hypothesis states that specific environmental factors affect the growth of Petunias flowers (GARDENA, n.d.). The type of study used will use a mix of experimental research and systematic review (Seltman, 2012: Aromataris & Pearson, 2014). The study, will, hence use both qualitative and quantitative research methods for data collection. Data will be collected from existing studies, observations, and experimental research (Axinn & Pearce, 2006). The data will be analyzed using both descriptive and statistical analysis. Population and Sample The population for the study comprises Petunia plants. These include petunia flowers grown outdoors either on the ground or in containers such as pots. The sample is limited to purple Petunia flowers that grow to a height of 12 to 24 inches and spread covering 24 to 36 inches. Variables and Measures The variables to be measured include soil pH, sunlight, water intake, and soil fertility. Soil pH is crucial to Petunia’s growth as it implicates soil acidity (Anderson, 2017). For instance,

3 too much or too little acidity can influence the plant’s growth significantly. Sunlight is another variable that is crucial to petunia’s growth as it is responsible for photosynthesis, a process that is essential to a plant’s growth. Water is another crucial factor to examine as too much, or too little water can have a significant impact on plants’ growth (Filipski, 2014). Soil fertility is a third variable that will be explored are it is critical in the growth of plants. Each of these variables is independent as they are used to explain causes of petunia flowers growth. For example, soil pH influences petunia’s growth on its own, and is not influenced by either water, sunlight, or soil fertility. The dependent variable in the study is petunia’s growth. Soil pH and fertility will be measured using an experimental method that involves mixing the soil sample with water, then extracting nitrates, potassium, and phosphate. These amounts of nutrients are then determined using a color chart to compare results. Sunlight and water intake will also be measured using the experimental approach where exposure to sunlight and a specific amount of water intake are measured alongside growth factors that comprise height and spread. Data Collection Methods Using the systematic review design, secondary data will be collected from credible scholarly journals that focus on petunia plants and growth factors. Search techniques will be used to filter for relevance and applicability. For the experimental approach data will be collected through notetaking and observation to record significant changes throughout the process. Data Analysis Methods Data analysis will use quantitative and qualitative techniques. The quantitative techniques involve statistical analysis to determine growth and environmental factors as stipulated by literature reviewed. The qualitative technique will involve descriptive analysis where results from the systematic review will be analyzed based on a thematic structure. Finally, Araújo

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4 (2003) recommends that data from the plant growth experiment is best analyzed using a two-step variance analysis to determine whether the variables had any impact on the plant’s growth.

5 References Anderson, C. (2017, November 21). PH Requirement for Petunias. Home Guides | SF Gate. Retrieved January 30, 2022, from https://homeguides.sfgate.com/ph-requirement-petunias- 40796.html Araújo, A. P. (2003). Analysis of variance of primary data on plant growth analysis. Pesquisa Agropecuária Brasileira , 38 (1), 1-10. Aromataris, E., & Pearson, A. (2014). The systematic review: an overview. AJN The American Journal of Nursing , 114 (3), 53-58. Axinn, W. G., & Pearce, L. D. (2006). Mixed method data collection strategies . Cambridge University Press. Filipski, G. (2014, Mar 15). Water infected petunias at soil level, not above. Edmonton Journal http://ezproxy.libproxy.db.erau.edu/login?url=https://www.proquest.com/newspapers/ water-infected-petunias-at-soil-level-not-above/docview/1507764403/se-2? accountid=27203 How long do I water my petunias? GARDENA. (n.d.). Retrieved February 13, 2022, from https://www.gardena.com/int/garden-life/ask-gardener/how-long-do-i-water-my-petunias/ #:~:text=Petunias%20prefer%20full%20sunlight%2C%20so,a%2Dweek%20a%20deep %20watering . Seltman, H. J. (2012). Experimental design and analysis.

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