00369nam a2200145   450000100060000000300030000600500170000900800410002603500190006703500180008605000220010410000220012624500480014826000270019612311UR20220427191030.0061102|||||||||||||||||||||||||||||||| d  a(janium) 12300  a(janium)12300 4aBF76.5b.R67 19661 aRosenthal, Robert10aExperimenter effects in behavioral research  bAppleton Centuryc1966