Types of Variables > Research Variable / Study Variable
A research variable (also called a study variable) is an informal term that means any variable used in research that has some kind of cause and effect relationship. A research/study variable can be one of a wide variety of variables used in a study, including independent variables, dependent variables, and intervening variables.
As these are informal terms, there isn’t a precise definition unless you’re using it within the context of a clinical trial (see below). You’re more likely to see the terms used conversationally or in informal areas like a journalistic piece, a pre-research questionnaire, or a “how-to” type book (rather than a textbook). For example, this Study Variable worksheet asks the researcher to “Name the study variables and label each as either independent or dependent.”
Clinical Study Variable
If you’re using JMP Clinical (which is, essentially, JMP for the purposes of studying clinical data), you might come across a specific type of report called a study variable report, which “Generates a PDF listing required/conditional variables used by the study for each option in each report.” JMP Clinical reports are subdivided into functional areas; Launch this particular report type by clicking the following button:
Bellary, S. et al. (2014). Basics of case report form designing in clinical research. Retrieved May 10, 2019 from: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4170533/
CourseHero.com. Study Variable Worksheet. Retrieved May 10, 2019 from: https://www.coursehero.com/file/33660631/NURS-5366-Study-Variable-Worksheet1docx/
JMP Clinical User’s Guide: Study Variable Report. Retrieved May 10, 2019 from: https://www.jmp.com/support/downloads/JMPC71_documentation/Content/JMPCUserGuide/AB_C_0074.htm
Wihbey, J. (2015). Guide to critical thinking, research, data and theory: Overview for journalists. Retrieved May 10, 2019 from: https://journalistsresource.org/tip-sheets/research/guide-academic-methods-critical-thinking-theory-overview-journalists/
Stephanie Glen. "Research Variable / Study Variable" From StatisticsHowTo.com: Elementary Statistics for the rest of us! https://www.statisticshowto.com/research-variable-study/
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