Evaluation - Maguire

• Evaluation - Research Method (Quasi)

  +naturally occurring so more mundane realism and less demand characteristics

  -Harder to control extraneous variables
• Evaluation - Data (Quantitative)

  +easy to display on a graph so relationship can be seen

  -lack detail so don't know why grey matter increases with knowledge
• Evaluation - Ethics 


  gained consent from participants

  psychological harm due to being an MRI - claustrophobia
• Evaluation - Validity 


  +has face as measure volume of grey matter

  +some concurrent as based on lee but that was on animals

  +internal as controls such as matching pps

  +external as it can be replicated due to controls

  -lacks ecological

  -lacks population as androcentric
• Evaluation - Reliability 


  +internal as controls and procedure as was the same for each pps

  +can be replicated

  -lacks inter-rater as only on person counted the pixels
• Evaluation - Sample (16 taxi drivers)


  -small sample so can't be generalised
• Evaluation - Sample (50 controls)


  +matched on age, gender and handedness

  -androcentric
• Evaluation - Ethnocentrism 


  All from London and taxi drivers

  so can be generalised to city taxi drivers

  also to western cultures

  is ethnocentric