Aims and Hypothesis

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  • Created by: jessmitch
  • Created on: 13-01-14 17:23
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  • Aims and Hypothesis
    • Research Aims
      • Observe in order to construct a detailed picture of the interest.
      • Use correlation to assess whether relationships between variables are predictable.
      • Conduct experiments in order to understand and control cause and effect.
      • All researchers aim to carry out ethically acceptable research that is valuable to research participants.
      • Qualitative researchers may have different aims to the stages of building scientific knowledge.
    • Hypotheses
      • Null Hypothesis - there is no effect to be found.
      • In experiment - 'The difference between the mean number of words recalled from STM after maintenance rehearsal and elaborative rehearsal was zero'.
      • Correlation Studies - 'The correlation between 'aggresivity' in 7 year olds and the amount of time previously spent in day care is zero'.
      • Alternative Hypothesis - there is an effect
        • Directional Hypothesis specifies difference in an experiment. 'Mean A is higher than Mean B'.
      • Non Directional Hypothesis is non committal about direction of difference or relationship. 'There is a difference between Mean A and Mean B'


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