Subjective Measures : Performance measures that are (or may be) influenced by the observer ie personal judgement may be subject to experience, knowledge or other influence
John Gilbertson (Ed.), Health and Safety Sound Bites, Category: Agriculture and Industry, Health and Safety Sound, County, ENCYCLO Online Encyclopedia, from Safety & Health Practitioner SHP (The Official Magazine of The Institution of Occupational Safety and Health (IOSH), United Business Media Limited, London, UK 2007. http://www.encyclo.co.uk/local/20474&page=4, (OSH - Brit) {117}