variables

• hypothesis - testable prediction as to the expected outcome of an experiment, must include the IV and the DV
• accuracy - how close the experimental result is to the known value, calculate as a percentage of accuracy
• precision - how close/similar the values are to each other
• when is data said to be reliable?

  when the results are precise and the experiment is reproducible
• trustworthy

  - reliable source, research done by qualified individuals, question whether it's reliable at all
• prejudice - someone has decided what they want to believe before they have conducted the experiment and has manipulated the data to represent their belief