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Basic Research Designs

What is a Research Method?

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Experimental Research Methods
What is a Research Design?

The researcher is accepting or refuting the null hypothesis. The results generated are analyzable and are used to test hypotheses , with statistics giving a clear and unambiguous picture. This research method is one of the most difficult, requiring rigorous design and a great deal of expense, especially for larger experiments.

The other problem, where real life organisms are used, is that taking something out of its natural environment can seriously affect its behavior. It is also the biggest drain on time and resources, and is often impossible to perform for some fields, because of ethical considerations.

The Tuskegee Syphilis Study was a prime example of experimental research that was fixated on results, and failed to take into account moral considerations.

In other fields of study, which do not always have the luxury of definable and quantifiable variables - you need to use different research methods. These should attempt to fit all of the definitions of repeatability or falsifiability , although this is not always feasible. Opinion based research methods generally involve designing an experiment and collecting quantitative data. For this type of research, the measurements are usually arbitrary, following the ordinal or interval type.

Questionnaires are an effective way of quantifying data from a sample group, and testing emotions or preferences. This method is very cheap and easy, where budget is a problem, and gives an element of scale to opinion and emotion.

These figures are arbitrary, but at least give a directional method of measuring intensity. By definition, this experiment method must be used where emotions or behaviors are measured, as there is no other way of defining the variables. Whilst not as robust as experimental research , the methods can be replicated and the results falsified.

Observational research is a group of different research methods where researchers try to observe a phenomenon without interfering too much. There are qualitative as well as quantitative research methods. Qualitative methods assist the researcher to gain rich in-depth data while quantitative methods allow the researcher to collect data that are more statistically significant. Methods are generalized outlines that provide a framework, and the choice is narrowed down depending upon the area of research that you have chosen.

Once you have selected a particular research method, you need to apply it in the best possible manner to your project. Research design refers to the blueprint that you prepare using the research method chosen, and it delineates the steps that you need to take. Research design thus tells what is to be done at what time. Research design tells how the goals of a research project can be accomplished.

Key features of any research design are the methodology , collection and assignment of samples , collection, and analysis of data along with procedures and instruments to be used.

Overview of Psychology Research Methods - This article describes the most commonly used research methods in the field of psychology and gives a more in-depth look at specific quantitative research methods often utilized. Educational Research - The Slide Share presentation linked here provides a wealth of information regarding types of research and basic research design.

It compare empirical and non-empirical research, basic and applied research, and qualitative and quantitative research designs. This pin will expire , on Change. This pin never expires. Select an expiration date. About Us Contact Us. Search Community Search Community. Basic Research Designs This module will introduce the basics of choosing an appropriate research design and the key factors that must be considered.

Learning Objectives Distinguish between quantitative and qualitative research methods. Identify whether or research project is qualitative or quantitative in nature. List the key factors that must be considered when choosing a research design. Quantitative and Qualitative Designs There are two main approaches to a research problem - quantitative and qualitative methods. Choosing a Design The following table lists and describes the most common research designs used at Grand Canyon University.

Case Study And Historical Intent is to study and understand a single situation, which could be a leader, a classroom, a process, program, activity. Causal Comparative Compare two groups with the intent of understanding the reasons or causes for the two groups being different. Narrative Describe the lives of individual s to get meaning from them. Experimental Test an idea, treatment, program to see if it makes a difference.

Quasi-experimental It is the same as experiment in that there is a control and test group. Phenomenology Studies a human experience at an experiential level such as understanding what it means for a woman to lose a child. Mixed Research Designs A mixed research design involves having both a quantitative design and qualitative design. Research Tutorials Why Research?

Resource Links Research Designs - This web link explores the main types of research design and provides additional links for more information. Suggested Readings Bryman, A. Qualitative inquiry and research design: Choosing among five approaches. Qualitative, quantitative, and mixed methods approaches. Designing and conducting mixed methods research.

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Some authors consider research design as the choice between qualitative and quantitative research methods. Others argue that research design refers to the choice of .

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about the role and purpose of research design. We need to understand what research design is and what it is not. We need to know where design fits into the whole research process from framing a question to finally analysing and reporting data. This is the purpose of this chapter. methods design design. THE CONTEXT OF DESIGN.

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Chapter 4: Research methodology and design reality assumed by positivism is realism, whereby a reality is assumed to exist; in contrast, post-positivism assumes that this ‘reality’ is only ‘imperfectly and. 51 CHAPTER 3 Research design and methodology INTRODUCTION This chapter covers the research design and methodology, including sampling, population.

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Research Design and Research Methods CHAPTER 3 This chapter uses an emphasis on research design to discuss qualitative, quantitative, and mixed methods research as three major approaches to. The research question, ethics, budget and time are all major considerations in any design.. This is before looking at the statistics required, and studying the preferred methods for the individual scientific discipline.. Every experimental design must make compromises and generalizations, so the researcher must try to minimize these, whilst remaining realistic.