Variable 1. group in an experiment or study that does not receive treatment by the researchers and is then used as a benchmark to measure how the other tested subjects do.
2. a variable who's value depends on another
3. scientific test that is directly manipulated by a scientist, in order to test a single variable at a time
4. a variable whose variation does not depend on that of another
5. measures of values or counts and are expressed as numbers
6. the factor that is changed in the experiment
7. data that approximates and characterizes
8. the process of observing, creating a question, creating a hypothesis, performing an experiment, and drawling conclusions based on the result
9. permission granted in the knowledge of the possible consequences, typically that which is given by a patient to a doctor for treatment with full knowledge of the possible risks and benefits
10. the group that receives treatment in an experiment