When do you use a if and then hypothesis?

Answer 1

when you are wanting to predict an action/reaction. Such as ... "If I hit billy in the face with the dodgeball then he will cry"

scoolyard physics

Answer 2

If you want to determine if two events you presume are related to each other are linked. You can make if-then hypotheses only when you have a plausible connection between the two. It also requires that there is something that will be tested in order to resolve the question - a independent variable (then) based on your dependent variable (if).

Answer 3

To postulate your theory.