Hacker ethic term "hack" arose from MIT lingo, as the word had long been used to describe college pranks that MIT students would regularly devise. However, Levy's hacker ethic also has often been quoted out of context and misunderstood to refer to hacking as in breaking into computers, and so many sources incorrectly imply that it is describing the ideals of white-hat hackers. However, what Levy is talking about does not necessarily have anything particular to do with computer security, but addresses broader issues. The hacker ethic was described as a "new way of life, with a philosophy, an ethic and a
Item analysis Item analysis Within psychometrics, Item analysis refers to statistical methods used for selecting items for inclusion in a psychological test. The concept goes back at least to Guildford (1936). The process of item analysis varies depending on the psychometric model. For example classical test theory or the Rasch model call for different procedures. In all cases, however, the purpose of item analysis is to produce a relatively short list of items (that is, questions to be included in an interview or questionnaire) that constitute a pure but comprehensive test of one or a few psychological constructs. To carry out the