a record or narrative description of past events. a history of France; he gave an inaccurate account of the plot to kill the president; the story of exposure to lead. report, news report, story, account, write up (noun).
1 Responding (or Dependent) Variable: This is the variable that changes as a result of the changes in the manipulated variable. 2  In our fertilizer example, the responding variable would be the size of the plants. 3  Controlled Variables (or Controls): These are all the things that you will keep the same in your experiment. Responding (or Dependent) Variable: This is the variable that changes as a result of the changes in the manipulated variable. 2  In our fertilizer example, the responding variable would be the size of the plants. 3  Controlled Variables (or Controls): These are all the things that you will keep the same in your experiment.
In statistics, controlling for a variable is the attempt to reduce the effect of confounding variables on an observational study. It means that when looking at the effect of one variable, all other variable predictors are held constant.