The variable is the important aspects of the research. In research the concept are measure from variable. Variable are anythings that can take on differing or varing values. it mean that the value of variable vary from person to person, time to time or place to place but the meaning of variable are same to all. Thus variable are the charactestics of person, groups, objects, ideas, feeling or other thing that researcher want to measure. Variables are thus anything that can take on differing or varing valuse. It can be differ at varioue times for same subject or for same person. Variables is a symbole for which number are assigns. the age of person, income of individual, yield of crops, religions etc are the example of variable. variables are also can be qualitative and quantitave. when the qualitative nature of data is used the variable becomes qualitative which is also called categorical variables. sex, maritual status, religions etc are the example of those variable. where as when numarical data are measure the variable is also called quantitative variable. age, income of individual quantity etc are the example of quantitative variable.
there are main 4 types of variables. they are: the dependent variable the independent variable the moderating variable the intervaning variable when the values of variable is depend to other variable this types of variable are dependent variable. in research the researcher focus to study, analysed and predit these variable by using independent variable. this is the variable that leads for investigation as viable feactor. by analysising the dependent variable the investor find possible solution for research propblem. the variable that is not affected by other variable is called independent variable. this variable are the input for the dependent variable. the research used it as the input for research. independent variable is that variable which influence the dependentvaviable. moderating variable is one that has a strong