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what	questions	are	we	being	asked?
• ‘are	these	the	same	people?’	=	non-specific
• what	constitutes	evidence/propositions?...
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What questions are we being asked? ... and how do we answer them?

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Hughes, V. (2017) What questions are we being asked? ... and how do we answer them? 3 Minute Paper as part of the Special Session on Speaker Comparison for Forensic and Investigative Applications at Interspeech, University of Stockholm, Sweden. 20-24 August.

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What questions are we being asked? ... and how do we answer them?

  1. 1. what questions are we being asked? • ‘are these the same people?’ = non-specific • what constitutes evidence/propositions? • different ‘users’ – nature of the question can change … and how do we answer them? • LR approach advocated by UK G’ment FSR • But… court issues with numerical LR (R v T [2010])/ framework dictates to methodology • verbal LR – support statement - best (??) solution in practice (if not ideal solution in theory) • typicality: experience, expertise, descriptive literature, limited empirical data • ways forward: • being explicit about propositions and assumptions • communicating to users that evidence is conditional on assumptions • data sharing (of all kinds; crowd sourcing knowledge) • Validation of method = crucial Vincent Hughes vincent.hughes@york.ac.uk

Hughes, V. (2017) What questions are we being asked? ... and how do we answer them? 3 Minute Paper as part of the Special Session on Speaker Comparison for Forensic and Investigative Applications at Interspeech, University of Stockholm, Sweden. 20-24 August.

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