Comparison

• Similarity between top down and bottom up approach is that…

  They both use information from the crime scene to help find the offender
• Similarity between top down and bottom up approach is that…

  They are both westernised approaches. However with this comes lack of generalisability to the wider population due to cultural differences associated with the offender that can effect the process in which profiling occurs
• Similarity between top down and bottom up approach is that…

  They both assume that there is a pattern in offender behaviour
• Similarity between top down and bottom up approach is that…

  They both have a key aim of narrowing down the field and suspect and are both successful in doing so
• Difference between top down and bottom up approach is that…

  Top down is less scientific as it makes assumptions about the offender through placing them into pre existing categories making it a more subjective approach

  Whereas bottom up is more scientific due to data processing and analysis used through Smallest Space analysis and CGT making it more objective
• Difference between top down and bottom up approach is that…

  Top down is derived from serious more extreme crimes such as rape and murder so it make it more applicable for these sorts of crimes and less generalisable to less serious crimes

  Whereas bottom up is more generalisable to greater range of crimes and can be used for less serious crimes
• Difference between top down and bottom up approach is that…

  Top down focuses on scene of crimes while bottom up places more focus on criminal
• Difference between top down and bottom up approach is that…

  Top down only looks at the crime scene whereas bottom up also looks at the geography and location
• Difference between top down and bottom up approach is that…

  Top down uses qualitative data

  Bottom up uses quantitative data