It is called an independent variable. For example, you give some people dark chocolate and other no chocolate at all. You measure their well being. The amount of chocolate is something YOU control,...
A variable is a mathematical symbol which is used to represent a member of a given set and is typically denoted by a letter such as x, y, or z. The idea of a variable, invented during the late...
In an experiment, the independent variable is altered, and the effect observed is the dependent variable, or outcome.The controlled variable is intended to be kept the same throughout the experiment...
Well .. I have the same question .. but this is what i found out ... the MV is what u change delibretly and the CV is what u dont want to change ... but what i am doing is adding somethng to three...