APPENDIX

4°3

Description:  Woodworth-Wells.  See  accompanying  sample.
Instructions:  Show  applicant  a  sample  slip  containing  the
following  line  and  nothing  else.
5213689687341880657273652098443968425721073264814
“I  want  you  to  cross  out  every  ‘7’  on  this  slip  with  a  quick
dash  like  this.”  (Examiner  makes  a  short  dash,  “  —  ”,
through  the  first  “7”  and  lets  subject  finish  the  line.)
“Now  do  the  same  thing  on  this  entire  sheet  (showing  the
test  sheet).  Begin  at  the  top  line  and  go  across  each  one,
crossing  out  every  ‘  7Do  this  quickly  and  carefully.  All
right?  Start”  (allow  100  seconds).  “Stop  now,  please.”
Record:  Record  number  of  test,  the  time  (in  this  case  always
100  seconds),  the  number  of  “7V’  covered  (there  are  100  on
the  sheet),  and  the  number  skipped.  E.  g.,  6;  100  secs.,
80  —  2.
Rating:  Reference  points,  100  “7’s”  crossed  off  in  100  seconds;
RU,  or  reference  units,  100;  N,  number  of  units  or  “7’s”
covered  by  subject;  E,  errors,  to  be  counted  double;  r,

rating.  Applying  formula  I,

record  given  above,  we  have

N  -  E
RU
80  —  4

=  r,  to  the  sample
=  .76.

100