Here's a problem to solve: Which method should be used to determine the type of popcorn that produces the greatest number of popped kernels?

Among the 4 following options, which is the correct answer?

- A: Research articles about different ways to heat popcorn to make it pop.
 
- B: Design an experiment that tests multiple types of popcorn using repeated trials.
 
- C: Heat kernels of some types on an electric stove and heat other types on a gas stove.
 
- D: Construct a mathematical equation that compares size and mass of kernels from each type.
 