If the information varies within a column of a data table, the heading of that column usually describes a variable, a fancy way to tell the reader that something is changing. Sometimes the researcher intentionally changes the value of one of the variables in order to see how other variables respond. 3. The word “manipulate” means to change or adapt something to suit one’s purpose. The researchers independently chose the values of one of the variables in Model 1. Write the name of this variable. Hint: It is usually the variable whose numerical values have a noticeably predictable pattern.
