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Qualitative and quantitative research methods, their strengths and weaknesses
Qualitative and quantitative research
Compare and contrast qualitative and quantitative methods
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Research methodology is analogous to a kaleidoscope (Cunningham, 2000). Just as a kaleidoscope reveals different shapes and colours of objects to the viewer depending on the angle at which it is held, a methodology provides different observations on phenomena for the researcher depending on how it is employed and implemented. Studies like this have blended the positivist and interpretive philosophies. This study adopted what Cunningham et al., (2000) refer to as methodological triangulation or the use of multiple methodologies and data sources. This results in the use of both quantitative and qualitative approaches. The rationale for the triangulation is that different measures or methodologies are complementary to each other; weaknesses of one methodology could be overcome by strengths of another, and vice versa. The triangulation entails not only the use of multiple methods, but also the collection of data from multiple sources. However, one of the common criticisms of quantitative approach is that it does not penetrate very deeply below the surface; breadth is often emphasized at the expense of depth. Such a weakness can be overcome by qualitative methodologies such as in-depth interviews or participant observation or accompanied interviews/journey. The quantitative approach involves mainly the use of questionnaires. The qualitative methods used to improve both the design and interpretation of traditional surveys such as the administration of questionnaires (Deakin, 2001) are in-depth interviews, participatory and non participatory observations techniques. Research Design Jankowicz (2005) describes research design as “the deliberately planned arrangement of conditions for analysis and collection of data in a manner that ai... ... middle of paper ... ... Accra-Takoradi route, the service providers plying these routes, drivers and the regulatory bodies overseeing their activities. Due to lack of record keeping by the majority of the intercity bus service providers, the researcher was given the estimated number of ICB leaving Accra- Takoradi and Takoradi to Accra in 2012 by the station masters of GPRTU, FORD, VVIP, VIP, DIPLOMAT. But the managements of Intercity State Transport Corporation (ISTC) and Metro Mass Transit Ltd (MMT) made available the passengers’ movements for 2012 which forms the basis for the target population. In addition, the researcher was advised by the station managers to multiply the average number of buses by 365days and then by the most used vehicle seating capacity to arrive at the sample frame and sample size as indicated in Table 3.1. The quota sample was therefore generated from Table 3.1.
Based on the preceding ontological and epistemological assumptions a researcher then makes methodological assumptions. Having decided on exactly what is to be studied the researcher then decides how the research can best be managed thus formulating a plan of action. Considerations include whether the research used should be primary or secondary. Whether one will test an existing hypothesis or whether one will construct a theory after having collated evidence. Finally one can draw conclusions as to which strategy to implement with the ultimate goal of producing the type of knowledge that is required. This then results in the type of method or methods of research to be used.
There are two types of research that can be conducted in research studies, these are qualitative and quantitative (Newman, 2011). Qualitative research is a process that uses detailed oriented methodology that tries to achieve a profound knowledge or understanding of specific incident and circumstance, wh...
The father of quantitative analysis, Rene Descartes, thought that in order to know and understand something, you have to measure it (Kover, 2008). Quantitative research has two main types of sampling used, probabilistic and purposive. Probabilistic sampling is when there is equal chance of anyone within the studied population to be included. Purposive sampling is used when some benchmarks are used to replace the discrepancy among errors. The primary collection of data is from tests or standardized questionnaires, structured interviews, and closed-ended observational protocols. The secondary means for data collection includes official documents. In this study, the data is analyzed to test one or more expressed hypotheses. Descriptive and inferential analyses are the two types of data analysis used and advance from descriptive to inferential. The next step in the process is data interpretation, and the goal is to give meaning to the results in regards to the hypothesis the theory was derived from. Data interpretation techniques used are generalization, theory-driven, and interpretation of theory (Gelo, Braakmann, Benetka, 2008). The discussion should bring together findings and put them into context of the framework, guiding the study (Black, Gray, Airasain, Hector, Hopkins, Nenty, Ouyang, n.d.). The discussion should include an interpretation of the results; descriptions of themes, trends, and relationships; meanings of the results, and the limitations of the study. In the conclusion, one wants to end the study by providing a synopsis and final comments. It should include a summary of findings, recommendations, and future research (Black, Gray, Airasain, Hector, Hopkins, Nenty, Ouyang, n.d.). Deductive reasoning is used in studies...
In the previous chapters I discussed the problem of the lack of healthy eating promotion programs in schools are leaving parents and students uneducated about how to purchase healthy items which is leading to childhood obesity. I also discussed how the problem is being addressed, as well as the theory of social constructionism. In this chapter, I will discuss the specific methodology I plan to use and the three different types of data collection I plan to employ to carry out my study. This study will use a qualitative approach to study and address the issue of the lack of healthy eating promotion in schools. The three types of data collection I plan to use are: direct observation, focus groups and a questionnaire. These methods will be clarified later in this chapter.
Planning or conducting a study requires research and a good design. “A good design, one in which the components work harmoniously together, promoting efficient and successful functioning; a flawed design leads to poor operation or failure” (Maxwell, 2013, p. 2). When conducting research, the research questions are the normal starting point. They are what drives the study and, therefore, the piece that controls the design which all other components must follow (Maxwell, 2013). With the research questions at the center of the design, unlike typical research models, the interactive model of research design is connected in such a way as to provide
In this paper, I will define quantitative and qualitative research methods and provide examples in the context of social issues which will hopefully provide insight into how this methods are properly applied.
Qualitative research is one in which the researcher searchers for qualities in which cannot be reduced to values displayed numerically, with the aims of examining a multiplicity of nuances and complexities of a particular phenomenon under study (Leedy & Ormrod, 2013). Within this approach of qualitative research methodology, there are several observational methods of which can serve as both meaningful and beneficial towards any research study.
This essay intends to compare and contrast the strengths and weaknesses of the quantitative and qualitative approaches to research which addresses young people and bullying using two journal articles. The first article (quantitative) aims to “establish the relationship between recurrent peer victimisation and the onset of reported symptoms of anxiety or depression in the early teen years” (Bond et al. 2001, p. 480) while the second article (qualitative) aims to “investigate the nature of teenage girls’ indirect aggression” (Owens et al. 2000, p. 70).The two articles will be critically compared in terms of research design, methods used, approach to data analysis, reported results and the plausibility and appropriateness of the conclusions and recommendations posed. The aim of this essay is thus to evaluate and assess the methods of social science research currently undertaken in published research.
….both quantitative and qualitative research are important and useful. The goal of mixed methods research is not to replace either of these approaches but rather to draw from the strengths and minimize the weaknesses of both in single research studies and across studies.
Qualitative and Quantitative study designs both can be beneficial in research design. They both provide valuable options for researchers in the field. These techniques can either be used separately in a research study or they can be combined to achieve maximum information. This paper will define the terms qualitative and quantitative; describe the similarities and differences between each; discuss how qualitative and/or quantitative research designs or techniques could be used in the evaluation of my proposed research; and discuss why linking analysis to study design is important.
Traditional research may use quantitative or qualitative research method. According to Hendricks (2009), quantitative research is a general conclusion based on hard data. Hen-dricks describe quantitativ...
Creswell (2009), states that there are three types of designs, qualitative, quantitative and mixed methods. Smith and Davis (2010) states that qualitative research is a field of enquiry that is conducted in a natural setting by a researcher, who may be involved in, or may be part of the data collection process; as it utilizes the views of informants as the basis for the report. Qualitative research attempts to gain and in-depth, holistic picture of the phenomenon one wishes to study by interacting closely with the people being studied; the data collected are usually in the form of words or pictures.
Qualitative data analysis is the process of transforming data into information, information into understanding and understanding into knowledge (Davenport & Prusak, 1998). Furthermore, qualitative data analysis can be described as a blend of scientific studies and artistic style to create an innovative product. The research acts as the primary research tool, and must be able to sustain composer throughout the entire study. In addition, the researcher must be able to pay attention to the small details of the study, without losing sight of the big picture of the study (Chenail, 2012).
The Importance and Appropriateness of Utilizing Different Methodologies for Research. Introduction The process of research entails the logical as well as systematic search for useful data and information with regard to a specific topic (Jha, 2008). It is also comprised of the investigation of the best, most cost effective and appropriate solutions to both social and scientific issues, following an objective and logical analysis. Jha, (2008) defines research as the search for knowledge and the discovery of the truth. During this process, the data can be gathered from a wide pool of sources among them interviews, books, nature among others.The data can then be analyzed with the appropriate data analysis tools, so as to report the findings
After establishing the research problem and what results are wanted, it will define how it will find the answers. Research is a form of collection and interpretation of information that will form the basis of finding answers to questions. The research uses theories and methods that h...