Response rate - The proportion of those sampled who actually respond to a questionnaire, Crime Survey of England & Wales - A large-scale Home Office questionnaire, Soft statistics - Statistics that are open to manipulation or open to different interpretations, Reliability - Whether a method could be repeated and achieve the same results, Stratified sample - A sample that ensures representation of specified social groups, Triangulation - Using a combination of quantitative and qualitative data to improve reliability and validity,

Research methods

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