Aims + Hypothesis

• Aim


  reasonably precise statement of why a study is taking place, including what's being studied and what study is trying to achieve
• Hypotheses


  more precise than an aim and predicts what's expected to happen

  testable statement of relationship between 2 variables
• Experimental/Alternative hypothesis


  statement of predicted outcome in any method

  statement of predicted outcome when using an experimental method
• Null hypotheses


  statement suggesting the IV will have no effect
• Directional


  more specific about direction of the result e.g. a high drug dosage elicit more symptoms
• Non-directional


  less specific about the direction of the result e.g. drug dosage will have an effect on symptoms manifested