Aims and Hypothesises

• Aim


  General statement of what investigator intends to research

  • Can include the purpose of the study
• Hypothesis


  A precise testable statement including levels of the independent and dependent variables
• Operationalisation


  Variables carefully stated, demonstrating exactly how they are to be measured
• Null Hypothesis


  No change in the measurement of the DV when the IV is manipulated
• Alternative Hypothesis


  Is a change in the measurement of the DV when the IV is manipulated
• Statistical testing is used to test hypothesise
• One-Tailed Hypothesis


  Directional statement of difference
• Two-Tailed Hypothesis


  Non-directional statement of difference
• One-tailed hypothesise are only used when there is prior research
• Falsifiability


  Greater the confidence of the theory due to the basis of probability