experimental method

?
  • Created by: s burke
  • Created on: 14-10-19 21:42
View mindmap
  • EXPERIMENT-AL METHOD
    • aims
      • based on theory + research
      • general statement of purpose of investigation
    • variables
      • independent variable
        • variable that you change
      • dependant variable
        • variable that you measure
      • control variable
        • to show that the DV is due to the IV and not an external factor
          • e.g. biological drugs testing: control condition = placebo, experimental condition = drug
    • hypotheses
      • H0 = nul hypothesis
        • there will be no difference
          • makes the hypothesis falsifiable (can be proven wrong)
      • H1 = experimental hypothesis
        • there will be a difference
        • directional
          • "there will be a … (increase, decreases etc.)
            • comparison adjectives
          • shows direction
          • when findings of previous research studies suggest a particular outcome
          • clear on the sort of difference anticipated
        • non-directional
          • "there will be a difference between..."
          • when there is no previous research OR findings from earlier studies are contradictory
        • must be operation-alised (measurable)
          • e.g. scale, score 1-10
      • clearly states the relationship between variables
    • levels of IV
      • 1 - before / after, same participants
      • 2 - 2 groups, 1 condition each
    • timeline
      • 1. theory
        • 2. aim
          • 3. hypotheses
            • 4. data collection
              • 5. analyse
                • 6. conclusion
                  • 7. evaluate
                  • [do not include when writing method in alevel exams]
    • quantitative (numerical) data

Comments

No comments have yet been made

Similar Psychology resources:

See all Psychology resources »See all Research methods and techniques resources »