1061p. in 2v. Includes bibliographical references and indexes. Australian contributors : B McGaw; J M Owen; M R Wilson. Other contributors : L M Abrams; P W Airasian; M C Alkin; T O Almaguer; H S Bhola; W Bickel; R F Boruch; C Candoli; N Chudowsky; M Clarke; J B Cousins; L Datta; E J Davidson; A Dignard; E Eisner;K Ercikan; G Garaway; C Gipps; N S Glasman; R H Heck; C H Hofstetter; R T Houang; E R House; K R Howe;S Howie; R Johnson; L Jones; O Karlsson; T Kellaghan; J King; H M Levin; Y S Lincoln; L Mabry; G Madaus; P J McEwan; G Miron; R J Mislevy; M Morris; C A Nelson; M A Omolewa; T O Orsak; M Q Patton; M Pearlman; T Plomp; J Post; H Preskill; F Reimers; J R SAnders; W H Schmidt; M Scriven; M F Smith; R Stake; G Stobart; J Stronge; D L Stufflebeam; R Tannenbaum; H Torrance; W J Webster; L A Wingate; R M Wolf; B R Worthen