Johnny wants to show that watering his crop more in the spring causes a larger harvest in the fall.Which type of study should Johnny use?
A) descriptive study
B) correlational study
C) an experiment
D) a case study

Question

Quizplus · Accepted Answer

An experiment is the best choice because it allows Johnny to manipulate the amount of water the crops receive (independent variable) and then measure the effect of this manipulation on the size of the harvest (dependent variable), establishing a cause-and-effect relationship.

Johnny Wants to Show That Watering His Crop More in the Spring