193
ered alternative answers to a question, and comparing the
difference in proportions of the two groups found in the crit-1C¢
 Ll sections D] means OI 1ormuia 10
2 2%: hart ©) anda Moore i 15). S ee I 1gurcs 2 4 and 25
Critical scores may also be set with regard to a combina-.
 > yy TY .
5 ®
®
Wo
og ®
® ® eo
) a
i ®
& ee
% 0 0) @)
oO ] ( n ) | OO
j | a NT) y= Wy —r——1 Fes
21 041 2 3 45% 78. 979°1112%
Figure 25: Personal history scores of salesmen at different levels of success,
Kenagy and Yoakum (89, p. 201).