Research key concepts

Google the following key concepts, read through what you find and summarize your understanding with a post to this glossary. Try to make it as short and to the point as possible. You can also rate other entries created.

Key words:

- Research question, sub-research questions, action research, qualitative research, quantitative research, primary research, secondary research, case study ...
- Internal validity, external validity, history factor, maturation, test effect, subject selection, research sampling, stratified random sample, data triangulation, literature review, APA reference, independent sample t-test ...

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V

Variable

TrânNguyễn Khánh Ngọc - 2015年05月9日星期六 17:52

A variable can be defined as an attribute of a person or of an object which "varies" from person to person or from object to object.

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