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Variables in Research

Types of Measurement Scales in Research and Statistics

By Dr. Schorsch (Own work) [CC BY-SA 3.0], via Wikimedia Commons

There are basically four measurement scales in statistics that are used to categorize the variables under study. These four measurement scales include; nominal, ordinal, interval and ratio scales.  In physical science, the measurement needs to be very accurate and precise but in social science the measurement cannot be as accurate and it is a lot more subjective. The measurement scale …

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The Variables in Research Studies


What are variables in research? This is an important question that students should know before attempting to formulate a research problem. In general terms, variables are concepts that can be measured and operationalized. In the research, there are concepts that the researcher deals with these concepts are highly subjective, for example, some concepts about a community health program. There will …

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