1 A small 3-ounce piece of meat has about 21 grams of protein. A typical 8-ounce piece of meat could have over 50 grams of protein. 2  One 8-ounce container of yogurt has about 11 grams of protein. 3  One cup of milk has 8 grams of protein.  One cup of dry beans has about 16 grams of protein.
All of these aspects of peanut growth can be measured and can be used as dependent variables in an experiment. There are different dependent variables possible in an experiment. The investigator can choose the one he thinks is most important, or he can choose to measure more than one dependent variable.
If all the parts of the. experiment have been accounted for and. considered carefully before the experiment is. started it is more likely to be a successful and. beneficial experience for the student. An experiment starts and ï¬nishes with the. factors that change during the experiment. These are the variables. The experimenter will. purposely change one of the variables; this. is the independent variableor manipulated. variable. The second variable changes in. response to the purposeful change; this is the. dependent variableor responding variable.