The edition of this classic text has been completely revised and updated, taking into account recent developments in the field of psychometrics. Part 1 of Modern Psychometrics outlines the background, history and controversies surrounding psychological testing. Part 2 provides a practical guide for developing a psychometric test. Modern Psychometrics forms the ideal companion for those studying for the British Psychological Society's Certificates of Competence in Testing

This collection of papers focuses on markets organized as double auctions (DA). In a double auction, both buyers and sellers can actively present bids (offers to buy) and asks (offers to sell) for standardized units of well-defined commodities and securities. A classic example of a DA market (known by practitioners as an open outcry market) is the commodity trading pit at the Chicago Board of Trade. A related process is a call market, which is used to determine opening prices on the New York Stock Exchange. Already the predominant trading institution for financial and commodities markets, the...