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 order to write the problem, you must be able to identify the manipulated and responding variables. You may choose to complete the controlled variable section after you have decided how you will test your problem. manipulated variable (1): the variable that is deliberately changed by the scientist.n order to write the problem, you must be able to identify the manipulated and responding variables. You may choose to complete the controlled variable section after you have decided how you will test your problem. manipulated variable (1): the variable that is deliberately changed by the scientist.