Langer+ rodin-Methodology 

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  • Langer+ rodin-Methodology
    • validity
      • experimental v. was high as the nurses who rated the patients were not aware of the hypothesis = reduced observer bias.
      • ecological v. was high, conducted in real nursing home, everything kept the same e.g. routine of meal times, so findings can be applied.
    • Reliability
      • study can be repeated to test for consistency
    • sampling bias
      • based on only one nursing home so difficult to generalize findings
        • ethnocentric and more females than males


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