Research

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Research design is a systematic and strategic method used to study a scientific problem. A researcher’s goal is to formulate a scientific model using methods which promote and create further questions in understanding behavior and events. The purpose of a research design is to provide answers to research questions, plan of study, and allows accurate assessment of cause and effect relationships between independent and dependent variables. Its framework is configured of elements which help to determine the type of study, research question, hypothesis, variables, and methods of data collection.
A research design can be referred to as a plan that involves the interconnection of philosophical worldviews, research methods, and selected strategies (Creswell, 2009). This type of framework allows the researcher the ability to apply how worldviews assumptions apply to the study, how selected strategies are related to the worldview, and how research methods can interpret the approach into practice (Creswell, 2009).
Types of Research Design
There are three major types of research designs used in social and behavioral research studies. They are are qualitative, quantitative, and mixed methods. The definitions are as follows:
• Qualitative research - research that is primarily based on exploratory research which is based on qualitative differences rather numerical differences. Collections of data used are interview, observation, test, and image analysis (Creswell, 2009). The process of qualitative data collection has five approaches narrative, phenomenology, grounded theory, ethnography and case study.
• Quantitative research - research strategies which are used to quantify the research problem by generating numerical data into statistics. It...

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.... It is expected for the independent variable to have effect on or in relations to the dependent variable.
Dependent variables are dependent on the independent variable and the measure of research is represented by the dependent variables, as they indicate the outcome of the study (Meltzoff, 2008). It is dependent on this variable whether a researcher wants to change or manipulate a study (e.g. performance on a project in the workplace). These variables are essential in

Summary
In review of research design, its primary purpose is to ensure that evidence allows us to answer research questions and test its theories. It provides a plan of study that promotes the assessment of cause and affects relationships between independent and dependent variables. A successful research study may lead to new ideas, formulation of new questions, revisions, or improvements.

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