Notice how the original variables X (categorical variable with two levels) and Y (quantitative variable) are represented. Practice examples are included! This deep dive post explains the concepts of single and multiple research variables and, importantly, how to identify the independent and dependent variable in quantitative research studies. As in our discussion of dependent samples, we will often simplify our terminology and simply use the terms “population 1” and “population 2” instead of referring to these as sub-populations. One of the dependent variables that I would collect in the evidence based projects are the health outcomes of the surgical patients undergoing surgery in the healthcare organization. Below are overviews of three experiments, each with their independent and dependent variables identified. Given the values of two variables for a set of observations (X is usually used to denote the independent variable and Y for the dependent variable), Pearson’s correlation coefficient can be calculated using a mathematical formula. Examples of Independent and Dependent Variables in Experiments. As a result of the formula used to compute the correlation coefficient, its value will always lie between -1 and 1. This article begins by defining the term variable and the terms independent variable and dependent variable, providing examples of each. As the name suggests, experiments are designed such that an independent variable isn't influenced by the other variables in the experiment. An independent variable is a variable that is changed in an experiment to produce a result. Hey, I did, too! Experiment 1: You want to figure out which brand of microwave popcorn pops the most kernels so … But don’t give up! Independent and dependent variables are concepts with which many nursing students struggle. However, discrete variables. The results of an experiment are known as dependent variables. In addition, the, article links terminology about variables with the concept of levels, variable, levels of measurement, mediation, moderation, risk, Anyone who wants to understand healthcare research should start by learn-, used word in scientific research. Think about the fact that we are in case C → Q! To evaluate the outcomes of the EPB projects, collection of dependent and independent variables in the project is essential (Watson, Stimpson, Topping & Podorock, 2002). examples of independent and dependent variables in healthcare Posted at 13:04h in Uncategorized by in experiments, a variable that is influenced by or dependent on changes in the independent variable; for example, the amount of a written passage retained (dependent variable) as a function of the different numbers of minutes (independent variable) allowed to study the passage. independent and dependent variables Most healthcare professionals have heard the terms independent variable and dependent variable (Kleinbaum, Kupper, Muller, & Nizam, 1998; Polit,