Research Methods and Techniques [Video-4]

Are you interested in learning more about research methods and techniques? In this UA-cam video, we will explore the different types of research methods, including qualitative, quantitative, and mixed methods research. We will discuss the advantages and disadvantages of each method, as well as the types of research questions that are best suited for each approach.
We will also cover sampling techniques and data collection methods, including surveys, interviews, and observation. You will learn about the importance of selecting the appropriate sample size and how to avoid common biases that can impact the validity of your research findings.
Whether you are a student or a professional researcher, this video will provide you with a solid foundation in research methods and techniques. By the end of this video, you will have a better understanding of how to design and conduct research that produces reliable and valid results. So sit back, relax, and get ready to dive into the fascinating world of research!

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It's wonderful! Also required explanation of cross-sectional vs longitudinal studies

[@ResearchTube]

Cross-sectional studies and longitudinal studies are two types of research designs used in social, medical, and behavioral sciences. Both types of studies are used to investigate relationships between variables, but they differ in their approach and the type of information they provide.
A cross-sectional study is a research design that collects data from a group of participants at a single point in time. The purpose of a cross-sectional study is to examine the relationships between variables at a specific point in time. For example, a researcher might use a cross-sectional study to examine the relationship between age and income among a group of people.
On the other hand, a longitudinal study is a research design that collects data from the same group of participants over an extended period of time. The purpose of a longitudinal study is to examine changes in variables over time and to determine whether those changes are related to other variables. For example, a researcher might use a longitudinal study to examine the relationship between physical activity and weight gain over several years.
The main advantage of cross-sectional studies is that they are relatively easy and inexpensive to conduct. They can also provide a snapshot of a particular group at a specific point in time. However, cross-sectional studies cannot provide information about changes over time, and it is impossible to establish cause-and-effect relationships between variables.
In contrast, longitudinal studies are more complex and expensive to conduct, but they can provide valuable information about changes in variables over time and can help establish cause-and-effect relationships. However, longitudinal studies can be difficult to carry out because participants may drop out of the study or may change in ways that affect the results.
Overall, both cross-sectional and longitudinal studies are valuable research designs, and the choice between them depends on the research question being addressed and the resources available.

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Can you explain about ethnography

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Content analysis
Grounded theory
Ethnography

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Survey
Experiment
Correction studies