Making observation → Making
inference → Identifying problem → Making hypothesis → Identifying variables → Controlling
variables → Planning an experiment → Collecting data → Interpreting data → Making
conclusion → Writing report
- Fixed variables: the factor that is kept constant throughout the experiment
- Manipulated variables: the factor that is purposely changed in an experiment
- Responding variables: the factor that changes with the manipulated variables
- Hypothesis: a general statement about the relationship between a manipulated variable and a responding variable in order to explain an event or phenomenon.