oxford–liverpool inventory of feelings and experiences oxford–liverpool inventory of feelings and experiences the oxford–liverpool inventory of feelings and experiences (o-life) is a questionnaire for measuring psychosis-proneness, principally schizotypy. it was introduced in 1995 and has since been used in a variety of experimental and clinical studies. the o-life is a tool with 104 items in the yes/no response format, although a shorter version (so-life) can be used as well with only 43 items. it has been used, for instance, in several studies assessing schizotypy in relation to kamin blocking.