back around 1960 ... there appeared via ETS ... a two side nomograph that 
found (on one side) partial rs ... and (on the other side) multiple Rs ... 
where you could enter the graphs from 2 or more directions and read these 
values off ... (if your eyesight was good enough!)

the first was by ruth lees and fred lord, the second was from fred lord ...

1. J. Amer. Stat. Assoc, December 1962
2. J. Amer. Stat. Assoc, December 1955

now, back then i assume you could get these from ets ... i would be SHOCKED 
if you could "buy" or "get" this nomograph anymore ...

to show how creative some folks were to help "users of stats" figure out 
things ... i have scanned this and you can see at

http://roberts.ed.psu.edu/users/droberts/multr.jpg

http://roberts.ed.psu.edu/users/droberts/partr.jpg

if you have a look and think of the WORK it took on SOMEone's part to draw 
these back then ... my hat's off to them!!!!

NOW, IF ANYONE THINKS I SHOULD NOT POST THESE ... LET ME KNOW AND I WILL 
YANK THEM OFF THE SERVER RIGHT AWAY ...

i just thought this was interesting in light of the post i sent re: normal 
curve template

_________________________________________________________
dennis roberts, educational psychology, penn state university
208 cedar, AC 8148632401, mailto:[EMAIL PROTECTED]
http://roberts.ed.psu.edu/users/droberts/drober~1.htm



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