This is the second post in a series about writing the IA in IB Psychology. In this post, we will provide some advice about the last two sections and also a PowerPoint that takes you through each element of these two sections.

Analysis (6 marks)

  • Include descriptive statistics to highlight the variability and spread of the data and inferential statistics to draw a conclusion about the significance of the data generated in term of supporting your hypotheses.
    • Tips
      • Outline your results through written statements, a table and a correctly presented graph.
      • Explain why you used particular measures of central tendency and dispersion.
      • Explain why you used a particular test of significance.
      • Explicitly link your findings to the hypothesis.
      • Include a clear statement of whether the hypothesis is accepted or rejected.

Evaluation (6 marks)

  • Include a discussion of the findings that link to the background theory you explained in the Introduction. Describe the strengths and limitations of your design, sampling and procedures. Suggest modifications.
    • Tips
      • You can identify simple mistakes that were made in the experiment but limitations also need to focus on the design and the sampling methods.
      • Modifications can focus on how more data or more effective data could be generated to arrive at a firmer conclusion. You can take one or both of the following approaches: link the modifications to the limitations you identified or suggest a whole new approach to the experimental design.

Download PowerPoint here: Writing the IA Report- Analysis and Evaluation


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