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AQA GCSE ISA SECTION 2 GUIDE

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Mind Map on AQA GCSE ISA SECTION 2 GUIDE, created by Laura M on 02/03/2016.
Laura M
Mind Map by Laura M, updated more than 1 year ago
Laura M
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AQA GCSE ISA SECTION 2 GUIDE
  1. HYPOTHESIS
    1. Valid statement
      1. Refer to pattern and some examples from results
      2. VARIABLES
        1. Identify all 3 variables
        2. ANOMALOUS
          1. Statement (yes/no)
            1. Anomalous results are those that do not fit the pattern
              1. Give examples OR say that all results are very close to a line of best fit
              2. ERROR
                1. Appropriate source of error
                  1. Suitable solution
                    1. Explain how solution overcomes the problem
                    2. RESOLUTION
                      1. Correct resolution value
                        1. Correct statement as to whether or not the resolution was appropriate is given and there is a clear explanation
                          1. Convey understanding of term resolution
                          2. REPRODUCIBLE
                            1. Correct statement whether or not the results are reproducible
                              1. Detailed explanation use at least two examples
                              2. DIFFICULTIES
                                1. Identify a problem in obtaining results
                                  1. Suggest a simple solution the problem
                                    1. Explain how the solution overcomes the problem
                                    2. REPEAT READINGS - ACCURATE
                                      1. A mean should be calculated
                                        1. by adding the results together and dividing by the number of values
                                          1. EITHER anomalous results are discarded before calculating a mean OR a graph is plotted and a best fit line is drawn ignoring anomalous results
                                          2. REPEAT - WHY
                                            1. Correct statement whether or not any results were repeated
                                              1. Reference to anomalous or systematic error or random errors with reference to results and the effect they cause
                                                1. Independent variable
                                                2. RANGE
                                                  1. State range (UNITS)
                                                    1. Explain suitability
                                                    2. SIMILAR PATTERN
                                                      1. Statement (yes/no)
                                                        1. Describe similarity or difference
                                                          1. Example from results
                                                          2. DIFFERENT RESULTS
                                                            1. Different equipment/ different technique
                                                              1. An example of what might have caused the differences and an explanation of this
                                                              2. SKETCH GRAPH
                                                                1. Label both axes with variables
                                                                  1. Draw an appropriate line
                                                                  2. CASE STUDY ANALYSIS
                                                                    1. Correct statements of 1, 2, 3
                                                                      1. Detailed explanation of 2 and 3
                                                                      2. CONTEXT
                                                                        1. Relate results to context
                                                                          1. Detailed explanation of how results/ideas can be applied and used in context
                                                                          2. DESCRIBE THE EFFECT
                                                                            1. Quantitative effect
                                                                              1. Identify relevance
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