An embedded case study is a case study containing more than one sub-unit of analysis (Yin, 2003). Similar to a case study, an embedded case study methodology provides a means of integrating quantitative and qualitative methods into a single research study (Scholz & Tietje, 2002; Yin 2003). However, the identification of sub-units allows for a more detailed level of inquiry. The embedded case study design is an empirical form of inquiry appropriate for descriptive studies, where the goal is to describe the features, context, and process of a phenomenon. Roland W. Scholz suggests that “case is faceted or embedded in a conceptual grid” which allows to identify key components of human and environmental systems (Scholz 2011, p. 25). [1]
A case study research methodology relies on multiple sources of evidence to add breadth and depth to data collection, to assist in bringing a richness of data together in an apex of understanding through triangulation, and to contribute to the validity of the research (Yin, 2003). The unique strength of this approach is this ability to combine a variety of information sources including documentation, interviews, and artifacts (e.g., technology or tools).
"The case study is preferred in examining contemporary events, when the relevant behaviours cannot be manipulated" (Yin, 2003, p. 7). The embedded case study approach is particularly relevant to examination of an environment where the boundaries between the phenomenon of interest and context are not clearly evident.
Research is "creative and systematic work undertaken to increase the stock of knowledge". It involves the collection, organization, and analysis of information to increase understanding of a topic or issue. A research project may be an expansion on past work in the field. Research projects can be used to develop further knowledge on a topic, or for education. To test the validity of instruments, procedures, or experiments, research may replicate elements of prior projects or the project as a whole.
In the social and life sciences, a case study is a research method involving an up-close, in-depth, and detailed examination of a particular case. For example, a case study in medicine may examine a specific patient a doctor treated, and a case study in business might study a particular firm's strategy. Generally, a case can be nearly any unit of analysis, including individuals, organizations, events, or actions.
Multimethodology or multimethod research includes the use of more than one method of data collection or research in a research study or set of related studies. Mixed methods research is more specific in that it includes the mixing of qualitative and quantitative data, methods, methodologies, and/or paradigms in a research study or set of related studies. One could argue that mixed methods research is a special case of multimethod research. Another applicable, but less often used label, for multi or mixed research is methodological pluralism. All of these approaches to professional and academic research emphasize that monomethod research can be improved through the use of multiple data sources, methods, research methodologies, perspectives, standpoints, and paradigms.
Qualitative research relies on data obtained by the researcher from first-hand observation, interviews, questionnaires, focus groups, participant-observation, recordings made in natural settings, documents, and artifacts. The data are generally nonnumerical. Qualitative methods include ethnography, grounded theory, discourse analysis, and interpretative phenomenological analysis. Qualitative research methods have been used in sociology, anthropology, political science, psychology, social work, and educational research. Qualitative researchers study individuals' understanding of their social reality.
Quantitative research is a research strategy that focuses on quantifying the collection and analysis of data. It is formed from a deductive approach where emphasis is placed on the testing of theory, shaped by empiricist and positivist philosophies.
Content analysis is the study of documents and communication artifacts, which might be texts of various formats, pictures, audio or video. Social scientists use content analysis to examine patterns in communication in a replicable and systematic manner. One of the key advantages of using content analysis to analyse social phenomena is its non-invasive nature, in contrast to simulating social experiences or collecting survey answers.
A conceptual framework is an analytical tool with several variations and contexts. It can be applied in different categories of work where an overall picture is needed. It is used to make conceptual distinctions and organize ideas. Strong conceptual frameworks capture something real and do this in a way that is easy to remember and apply.
Methodology is "'a contextual framework' for research, a coherent and logical scheme based on views, beliefs, and values, that guides the choices researchers [or other users] make".
Grounded theory is a systematic methodology that has been largely, but not exclusively, applied to qualitative research conducted by social scientists. The methodology involves the construction of hypotheses and theories through the collecting and analysis of data. Grounded theory involves the application of inductive reasoning. The methodology contrasts with the hypothetico-deductive model used in traditional scientific research.
Exploratory research is "the preliminary research to clarify the exact nature of the problem to be solved." It is used to ensure additional research is taken into consideration during an experiment as well as determining research priorities, collecting data and honing in on certain subjects which may be difficult to take note of without exploratory research. It can include techniques, such as:
Narrative inquiry or narrative analysis emerged as a discipline from within the broader field of qualitative research in the early 20th century. Narrative inquiry uses field texts, such as stories, autobiography, journals, field notes, letters, conversations, interviews, family stories, photos, and life experience, as the units of analysis to research and understand the way people create meaning in their lives as narratives.
A structured interview is a quantitative research method commonly employed in survey research. The aim of this approach is to ensure that each interview is presented with exactly the same questions in the same order. This ensures that answers can be reliably aggregated and that comparisons can be made with confidence between sample sub groups or between different survey periods.
A literature review or narrative review is a type of review article. A literature review is a scholarly paper that presents the current knowledge including substantive findings as well as theoretical and methodological contributions to a particular topic. Literature reviews are secondary sources and do not report new or original experimental work. Most often associated with academic-oriented literature, such reviews are found in academic journals and are not to be confused with book reviews, which may also appear in the same publication. Literature reviews are a basis for research in nearly every academic field. A narrow-scope literature review may be included as part of a peer-reviewed journal article presenting new research, serving to situate the current study within the body of the relevant literature and to provide context for the reader. In such a case, the review usually precedes the methodology and results sections of the work.
Research design refers to the overall strategy utilized to carry out research that defines a succinct and logical plan to tackle established research question(s) through the collection, interpretation, analysis, and discussion of data.
A research question is 'a question that a research project sets out to answer'. Choosing a research question is an essential element of both quantitative and qualitative research. Investigation will require data collection and analysis, and the methodology for this will vary widely. Good research questions seek to improve knowledge on an important topic, and are usually narrow and specific.
David Collier is Chancellor's Professor Emeritus at the University of California, Berkeley. He works in the fields of comparative politics, Latin American politics, and methodology. His co-authored and co-edited methodological work includes Rethinking Social Inquiry: Diverse Tools, Shared Standards, 2nd expanded edition; Statistical Models and Causal Inference: A Dialogue with the Social Sciences; and The Oxford Handbook of Political Methodology. Collier is engaged in ongoing projects on the challenges of integrating quantitative and qualitative methods and of using this integrated perspective to gain new leverage in conceptualization, measurement, and causal inference.
Critical realism is a philosophical approach to understanding science developed by Roy Bhaskar (1944–2014). It combines a general philosophy of science with a philosophy of social science. It specifically opposes forms of empiricism and positivism by viewing science as concerned with identifying causal mechanisms. Also, in the context of social science it argues that scientific investigation can lead directly to critique of social arrangements and institutions, in a similar manner to the work of Karl Marx. In the last decades of the twentieth century it also stood against various forms of 'postmodernism'. It is one of a range of types of philosophical realism, as well as forms of realism advocated within social science such as analytic realism and subtle realism.
Robert K. Yin is an American social scientist and President of COSMOS Corporation, known for his work on case study research as well as on qualitative research. Over the years, his work on case study research has been frequently cited. Google Scholar listed it as the second highest methodological work, qualitative or quantitative, over a 20-year period
Roland Werner Scholz is a German mathematician, psychologist, and Professor Emeritus of Environmental Systems Science at ETH Zurich. He famously coined the terms transdisciplinarity and societal didactics.
Biographical research is a qualitative research approach aligned to the social interpretive paradigm of research. The biographical research is concerned with the reconstruction of life histories and the constitution of meaning based on biographical narratives and documents. The material for analysis consists of interview protocols (memorandums), video recordings, photographs, and a diversity of sources. These documents are evaluated and interpreted according to specific rules and criteria. The starting point for this approach is the understanding of an individual biography in terms of its social constitution. The biographical approach was influenced by the symbolic interactionism, the phenomenological sociology of knowledge, and ethnomethodology. Therefore, biography is understood in terms of a social construct and the reconstruction of biographies can give insight on social processes and figurations, thus helping to bridge the gap between micro-, meso-, and macro- levels of analysis. The biographical approach is particularly important in German sociology. This approach is used in the Social Sciences as well as in Pedagogy and other disciplines. The Research Committee 38 "Biography and Society" of the International Sociological Association (ISA) was created in 1984 and is dedicated "to help develop a better understanding of the relations between individual lives, the social structures and historical processes within which they take shape and which they contribute to shape, and the individual accounts of biographical experience ".