EXERCISES Practice Exercise 1: Formulate your own hypothesis! Directions: Write a testable hypothesis in ‘if…then…” format and identify the independent variable (manipulated) and the dependent variable (responding) for each. (5 points each) Question 1: What effect does fertilizer have on the growth of plant? _________________________________ _______________________________________________________________________________________ independent variable (manipulated) _________________________________________________ dependent variable (responding) ___________________________________________________ Question 2: What effect does the amount of water have on the growth of plant? ________________________ _______________________________________________________________________________________ independent variable (manipulated) ______________________________________________ dependent variable (responding) ______________