Difference Between Quantitative And Qualitative Research

According to Yin (2003), there are two types of research approach. This includes quantitative research approach and qualitative research approach. A quantitative research emphasizes on transforming the data to numbers, quantities and statistics to formulate facts and to uncover patterns in a research. It addresses research purposes through empirical analysis that involve numerical measurement, the relationship between variables and analysis approaches (Zikmund et al., 2010). The sample size being investigated is typically large (Anderson, 2006). Quantitative research mainly uses questionnaires, surveys and other equipment to collect numerical or measurable data (Anderson, 2006). On the other hand, a qualitative research typically emphasizes words more than numbers

This paper primarily concerns qualitative research, but we were asked to compare both qualitative and quantitative methods. During comparison, there are many noted differences in both study designs, but not many similarities. Qualitative research uses a subjective approach with a large sample population. It collects non-statistical data, using an unstructured or semi-structured technique (Nieswiadomy & Bailey, 2018). Quantitative research uses an objective approach and large, random, sampling to ask opinions in a structured way. The findings of quantitative studies are conclusive and used to recommend a final course of action (Nieswiadomy & Bailey, 2018). While it is hard to see similarities between the two, both methods aim to find a solution to a problem or question, the researcher doing the study may affect the outcome and an analysis of the collected data must be done (Souza, 2017). What many don’t realize is the connection amongst the two. You can say, both types of research build upon one another, meaning quantitative studies can quantify results found in qualitative research (Souza, 2017).

Qualitative research is subjective data and is often used in the social sciences (Sarantakos 2013, p. 48). Qualitative research is devoted to gathering facts, this can be completed through personal experiences, behaviours, and observations (Sarantakos 2013, p. 46). The purpose of qualitative research is to gather an in depth understanding of human behaviour and the explanations for the behaviour (Martijn & Sharpe 2006, p. 1). An issue with only using a qualitative method is efficacy, qualitative studies cannot address relationships between variables with the degree of accuracy that is required to establish social trends (Sarantakos 2013, p. 46).

Quantitative and qualitative research generates from two different perspectives, and it provide different types of crucial information from the research subject. Qualitative research corresponds more with comprehensive and thorough descriptions of events, whereas quantitative research creates statistical models to explain events. Several advantages and disadvantages in qualitative and quantitative research, depends upon the researcher's purpose and area of focus and information that will answer those research questions (Creswell, (2013).

Researchers are sometimes using Quantitative and Qualitative research methodologies interchangeably, or all three of the methodologies including the mixed approach, Creswell (2009). However, the most distinctive differences between the two is the application used, or the design, using words for qualitative analysis, and

The results of article two used the mixed methods of quantitative and qualitative data. “Mixed methods research is an approach to inquiry that combines or associates both qualitative and quantitative forms. It involves philosophical assumptions, the use of qualitative and quantitative approaches, and the mixing of both approaches in a study. Thus, it is more than simply collecting and analyzing both kinds of data; it also involves the use of both approaches in tandem so that the overall strength of a study is great than either qualitative or quantitative research.” (Creswell, 2007). The authors used their research to answer their research question;

Quantitative and qualitative methods are the forms of collecting evidence and information. In quantitative research, concepts are assigned numerical value, and concerned with measuring social, or criminal justice reality (Hagan, 2010, p. 14).  In qualitative research, concepts are viewed as sensitizing ideas or terms to enhance understanding of reality under investigation (Hagan, 2010, p. 14).  Qualitative research explains an idea, which attempts to show understanding or empathy. This is where the researchers surround themselves within the subject matter and begin to develop an empathetic understanding. The quantitative approach favors studying “phenomena that can be measured, observed, and examined empirically” (Hagan, 2010, p. 14).

Qualitative research uses data obtained through methods such face- to- face interviews, observations, and focus groups. Data is analyzed by looking for trends and patterns. Quantitative research use numerical and statics to process the answer specific questions. Statistics used to support assessment of research. Analysis techniques are used to report are affected by the questions addressed and type of information that is expected in the research discoveries (Wakoff, 2007).

Qualitative data is not numerical and is more likely to take the form of observations or interviews. Obviously, it is very difficult to perform any statistical analysis on this kind of data. A further problem is that another researcher cannot replicate this data and therefore it is difficult to check the validity of what has been written. Researchers using this kind of data must be careful to avoid subjectivity, that is, they must avoid letting their personal beliefs or preferences affect the way they record and interpret the data. The advantage of this form of data collection is that it allows the researcher to answer open-ended questions; consequently, it is more flexible. Qualitative data also provides opportunities to explain the context of an observation and can therefore present a fuller picture (OU, 2001).

The method of qualitative research become key method in the human and social science and also in the education and health science. The definition of qualitative research is a research using methods such as participant observation or case studies which result in a narrative, descriptive account of a setting or practice. Sociologists using these methods typically reject positivism and adopt a form of interpretive sociology (Parkinson & Drislane,2011). It involves the research using data that do not indicate ordinal values. Furthermore, qualitative research includes the different kinds of data collection, techniques of analysis and diversity of theoretical frameworks (Guest; Namey & Mitchell, 2013). According to Creswell(2013) ‘’the final written report or presentation includes the voices of participants, the reflexivity of the researcher, a complex description and interpretation of the problem, and its contribution to the literature or a call for change.

The more ‘extreme’ positions in the debate between qualitative versus quantitative research state that qualitative research is “unscientific, anecdotal, and saturated by the opinions of the researcher”, whereas the latter is “not representative of human behaviour” (Natasi & Schensul, 2005).

The approach of this study will take the epistemological position and a qualitative research design. Humphries (2008) asserts that qualitative research focusses on the subjective and recognises that the researcher will affect the data that is produced and therefore the outcome of the research. Denzin & Lincoln (2005:3) state that “Qualitative researchers study things in their natural settings attempting to make sense of, or to interpret, phenomena in terms of the meanings people bring to them”. Quantitative research on the other hand, claims to be objective, removing the researcher’s views and values from the study. While traditionally quantitative data has been deemed to produce more reliable or valid data, it does not suffice to capture the complexities of the human experience as it assumes a positivist epistemology.

There are many benefits of utilizing quantitative methods in research. The benefits are precise numerical data, previously constructed theories can be tested and validated, results can be generated from sufficient random samples sizes, and less time is needed for data analysis. The weaknesses of quantitative methods are that due to the focus of the theory used the researcher may miss phenomena occurring, or the information gained may be too general to be applied to the individuals. The other weaknesses are colleagues may not understand the categories used, and colleagues may not understand the theories used by the researchers. (Zikmund et al, 2010) Qualitative Methods

Evidence-based practice is a crucial part of nursing. To reach the goal of evidence-based practice it all starts with first obtaining research. It is important to understand the different research models and be able to identify reliable research from unreliable. While qualitative and quantitative research models differ in many ways, they both play a critical part in obtaining evidence-based practice in nursing. The objective of this paper is to analyze qualitative and quantitative research models and how they relate to practical application.

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.