Experiment is a method of research in which a researcher manipulates one or more variables to observe the effect on another variable.

Data analysis in education serves multiple purposes, including describing educational phenomena, explaining educational phenomena, and predicting educational outcomes.

Factor analysis is a statistical method used to identify the underlying structure of a set of variables.

Descriptive statistics summarize data, while inferential statistics make inferences about a population based on a sample.

A research hypothesis provides a framework for the research study, guides the collection and analysis of data, and makes predictions about the outcome of the study.

Mixed methods design is a research design that combines quantitative and qualitative methods.

A literature review serves multiple purposes, including identifying existing research on a topic, summarizing the findings of existing research, and identifying gaps in the research literature.

Document analysis is a method of research in which researchers analyze written or visual documents.

A data management plan serves multiple purposes, including ensuring that data is collected, stored, and analyzed in a consistent and ethical manner, facilitating data sharing and collaboration, and protecting the privacy of research participants.

Excel is a spreadsheet software, while SPSS, SAS, and R are statistical software packages.

A research report serves multiple purposes, including communicating the findings of a research study, providing recommendations for future research, and disseminating knowledge to the broader community.

Publication bias is a type of bias that occurs when the results of a research study are more likely to be published if they are positive.

A peer review process serves multiple purposes, including ensuring the quality of research studies, identifying potential flaws in research studies, and providing feedback to researchers.

Plagiarism is a type of academic misconduct, while informed consent, confidentiality, and data fabrication are ethical issues in educational research.

A research ethics committee serves multiple purposes, including reviewing and approving research studies, ensuring that research studies are conducted in an ethical manner, and protecting the rights of research participants.