Meaning of Variable in Research Methodology
In research methodology, a variable refers to a characteristic or attribute that can take on different values or levels. Variables are an essential part of any research study as they allow researchers to examine how changes in one variable may affect another variable.
There are two main types of variables in research: independent variables and dependent variables.
An independent variable is a variable that is manipulated or controlled by the researcher in order to observe its effect on the dependent variable. In other words, the independent variable is the cause or predictor of the dependent variable. For example, in a study on the effectiveness of a new teaching method, the independent variable would be the teaching method and the dependent variable would be the students’ learning outcomes.
A dependent variable is a variable that is affected by the independent variable. It is the outcome or result of the independent variable. In the example above, the students’ learning outcomes would be the dependent variable because they are dependent on the teaching method being used.
It is important to carefully define and measure variables in a research study in order to accurately assess their relationship and draw valid conclusions.