00872cam a22002531  4500001001300000003000400013005001700017008004100034010001700075035002000092040004300112042001200155050002700167082001300194100002600207245008500233260003900318300002700357490006400384500007700448504002500525650003300550650003500583e  21000551 DLC20260227111212.0870805s1921    iaua     b   s000 0 eng c  ae  21000551   a(OCoLC)16394977  aU.S. Off. of educ. LibrarycOCoLCdDLC  apremarc00aLB5b.I6 vol. 2, no. 2  a370.82 s1 aCamp, Harold Laverne.10aScales for measuring results of physics teaching,cby Harold Laverne Camp, PH.D.  aIowa City,bThe Universityc[1921]  a51 p.bdiagrs.c24 cm.0 aUniversity of Iowa studies in education ...vvol. II, no. 2  aOn cover: University of Iowa studies. 1st ser., no. 54. October 1, 1921.  aBibliography: p. 51. 0aPhysicsxStudy and teaching. 0aGrading and marking (Students)