FSC239Y5 Lecture Notes - Lecture 1: Motor Skill, Motor Cortex, Twin Study
Document Summary
Conducts a technical examination of a document to determine its authenticity and/or its relationship to a person, thing, event, or time. Involves natural variation: never going to write the same thing exactly the same. Handwriting comparison: based on the theory that not two people write alike, fish, cedar, twin studies, durina study, empirical error rate data show high false positives with lay persons, kam, sita/found/rogers, written standards, swfdoc, general acceptance. Examinations: assess, suitability, naturalness, side by side comparison, evaluation, agreement, individuality, limitations: not enough known samples, questioned in cursive known is printed, conclusions. Principle of identification: two or more writings are the product of one writer if the similarities, take in combination, are sufficiently individual and there are no fundamental differences. Fundamental difference: difference in some natural feature that is indicative of a person"s writing habit and whose presence cannot be reasonable explained. (ex. the direction someone write"s their o"s)
