Research methodology refers to the specific methods used to collect and analyze data for a research paper. Some commonly used research methodologies in research papers include:

1. Quantitative research: This methodology involves the use of numerical data and statistical analysis to test hypotheses and establish cause-and-effect relationships. It is commonly used in fields such as economics, psychology, and sociology.
2. Qualitative research: This methodology involves the use of non-numerical data, such as interviews, observations, and open-ended surveys to gain an in-depth understanding of a topic. It is commonly used in fields such as anthropology, sociology, and education.
3. Mixed-methods research: This methodology involves the use of both quantitative and qualitative methods to collect and analyze data. This approach allows researchers to triangulate data and gain a more complete understanding of a topic.
4. Experimental research: This methodology involves the manipulation of an independent variable to observe the effect on a dependent variable. The goal of experimental research is to establish cause-and-effect relationships.
5. Non-experimental research: This methodology involves the collection of data without manipulation of the independent variable. The goal of non-experimental research is to describe the characteristics of a phenomenon or to explore relationships between variables.
6. Archival research: This methodology involves the examination of existing documents or records to gain insights into a topic.
7. Case study research: This methodology is an in-depth examination of an individual or group of individuals.

The choice of research methodology depends on the research question, the goals of the study, and the resources available. It’s important for researchers to consider the advantages and limitations of each.

How to craft Research Methodology for your Psychology Thesis?

Here you can explore The Top Research Methods for Crafting Compelling Psychology Papers. You need to Understand and Apply the Best Research Methods for Psychology Papers. The two main families of methodologies in the thesis world are:

1. Research-based. In this case, the students conduct empirical research. This
   can be quantitative, qualitative, or include mixed methods. In psychology,
   clinical trials are also quite common, although attention needs to be paid to
   ethics. You might want to run a pilot study or develop an instrument
   (typically a test).
2. Literature-based. Such theses propose a systematic review or meta-analysis
   of literature in a certain field. Or, they could provide guidelines or consensus
   statements for a specific field.

There are several research methods commonly used in psychology papers, including:

1. Surveys: Surveys involve collecting data from a sample of participants using self-report questionnaires or interviews. Surveys are a useful method for collecting data on attitudes, beliefs, and behaviors.
2. Experiments: Experiments involve manipulating one or more independent variables to observe the effect on a dependent variable. Experiments are a powerful method for determining cause-and-effect relationships.
3. Case studies: Case studies involve in-depth examination of an individual or a small group of individuals. They are useful for understanding unique or rare phenomena and for generating hypotheses for further research.
4. Naturalistic observation: naturalistic observation involves observing and collecting data on behavior in its natural setting, without manipulation. It allows researchers to gather data on behavior in real-life situations.
5. Correlational research: Correlational research investigates the relationship between two or more variables. It helps researchers to determine whether there is a relationship between variables but cannot determine cause-and-effect relationships.
6. Longitudinal studies: Longitudinal studies involve following the same individuals over an extended period of time. It allows researchers to study change and stability over time.
7. Meta-analysis: Meta-analysis is a statistical method that combines the results of multiple studies to increase the power of the results and to identify patterns across studies.

It’s important to note that the choice of research method depends on the research question and the goals of the study. Researchers should consider the advantages and limitations of each method in order to select the best method for their research.