1. It is a characteristic, number, or quantity that can be changed or controlled in an experiment, what is it? a. hypothesis b. data C. variable d. conclusion ENT OF 2. What are you doing when you are testing the effect of different factors and comparing the differing conditions that resulted to this action? a. formulating a hypothesis b. drawing a conclusion c. identifying a problem d. performing an experiment 3. What part or group of the experiment includes the variable being tested? a. experimental group b. control group c. constant group d. field group 4. Which of the following refers to the variable that are kept constant and does not receive any treatment in the experiment? a. independent b. controlled c. dependent d. co-dependent BICOL 5. What will happen when only one factor was changed at a time while keeping other conditions the same in an experiment? teaching a. quasi-test purposes only b. natural test Not for sale C. null test d. fair test​