00617cam a2200229 a 4500001001200000008004100012020001800053020001500071035001600086041000800102044000800110050001100118082001600129100002000145245006600165250001200231260004300243300003100286500002400317504001100341650003500352ocm04193911790731s1979    xxka          001 0 eng d  a9780132860130  z0132860139  abnb1328601307bund  axxk04aLB305104a371.2/642@1 aEbel, Robert L.10aEssentials of educational measurement /c[by] Robert L. Ebel.  a3rd ed.  aLondon [etc.] :bPrentice-Hall,c1979.  axi, 388 p. :bill ;c25cm.  aPrevious ed.: 1972.  aIndex. 0aGrading and marking (Students)