In explorative research methodology, e. They might not be stated because the researcher does not have a clear idea yet on what is really going on.
Confounding variables are variables with a significant effect on the dependent variable that the researcher failed to control or eliminate - sometimes because the researcher is not aware of the effect of the confounding variable. The key is to identify possible confounding variables and somehow try to eliminate or control them. Operationalization is to take a fuzzy concept conceptual variables , such as ' helping behavior ', and try to measure it by specific observations, e.
The selection of the research method is crucial for what conclusions you can make about a phenomenon. It affects what you can say about the cause and factors influencing the phenomenon.
It is also important to choose a research method which is within the limits of what the researcher can do. Time, money, feasibility, ethics and availability to measure the phenomenon correctly are examples of issues constraining the research. Choosing the scientific measurements are also crucial for getting the correct conclusion.
Some measurements might not reflect the real world, because they do not measure the phenomenon as it should. To test a hypothesis , quantitative research uses significance tests to determine which hypothesis is right.
The significance test can show whether the null hypothesis is more likely correct than the research hypothesis. Research methodology in a number of areas like social sciences depends heavily on significance tests. A significance test may even drive the research process in a whole new direction, based on the findings. The t-test also called the Student's T-Test is one of many statistical significance tests, which compares two supposedly equal sets of data to see if they really are alike or not.
The t-test helps the researcher conclude whether a hypothesis is supported or not. Drawing a conclusion is based on several factors of the research process, not just because the researcher got the expected result. It has to be based on the validity and reliability of the measurement, how good the measurement was to reflect the real world and what more could have affected the results.
Anyone should be able to check the observation and logic, to see if they also reach the same conclusions. Errors of the observations may stem from measurement-problems, misinterpretations, unlikely random events etc. A common error is to think that correlation implies a causal relationship.
This is not necessarily true. Generalization is to which extent the research and the conclusions of the research apply to the real world. It is not always so that good research will reflect the real world, since we can only measure a small portion of the population at a time. Validity refers to what degree the research reflects the given research problem, while Reliability refers to how consistent a set of measurements are.
A definition of reliability may be "Yielding the same or compatible results in different clinical experiments or statistical trials" the free dictionary. Explore over 4, video courses. Find a degree that fits your goals. The Importance of Understanding Research Methodology This lesson will show you why it is necessary to understand the research methods that are used in human growth and development.
Learn how interpretation is affected by different research methodologies. Try it risk-free for 30 days. An error occurred trying to load this video. Try refreshing the page, or contact customer support.
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What is Green Marketing? What is Sampling in Research? What is Data Analysis? Human Growth and Development: Intro to Criminal Justice: Introduction to Political Science: The Civil War and Reconstruction. Lisa Roundy Lisa has taught at all levels from kindergarten to college and has a master's degree in human relations.
This lesson will show you why it is necessary to understand the research methods that are used in human growth and development. Importance of Understanding Methodology Let's imagine we are researching the effects of children eating carrots three times a week. Examples of Methodology First let's consider a case study. Methodology Revisited Let's ask the question we considered at the beginning of the lesson again: Try it risk-free No obligation, cancel anytime. Want to learn more?
Select a subject to preview related courses: Lesson Summary Becoming familiar with the research methods used by an area of study allows you to understand it more effectively. Learning Outcomes After completion of the video lesson, you should be able to: Explain the importance of understanding research methodology Define validity Explain what a case study is Describe a true experiment.
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Why should I learn Research Methodology? From initiation of a research idea to the ultimate culmination in publication there are many segments; initiation of a research idea, thorough literature search, formulation of a research question, proper study design, possible source of funding, conduction of research, analysis of data obtained, proper .
Module 6: The Importance of Research Study Implications. The purpose of research is to inform action. Thus, your study should seek to contextualize its findings within the larger body of research. Research must always be of high quality in order to produce knowledge that is applicable outside of the research setting.
Why do you need a methodology? If you are doing research then you have a methodology even if you do not state it. The question is more about why you should write up your methodology in your research proposal and why you should write about it in any subsequent report once the research is completed. Choosing appropriate research methodologies It is vital you pick approach research methodologies and methods for your thesis - your research after all is what your whole dissertation will rest on. Choosing qualitative or quantitative research methodologies.
Research methodology in a number of areas like social sciences depends heavily on significance tests. A significance test may even drive the research process in a whole new direction, based on the findings. Research methods can be used alone to solve a problem, or explore a question as part of a piece of work. They can also be a key part of writing a thesis or dissertation. For more about this, see our section on Writing a Dissertation, and particularly Writing Your Methodology.