Abstract

References
1.
Brown
J A C
. (1963 ) Techniques of Persuasion . Harmondsworth .
2.
Horn
D
Courts
F A
Taylor
R M
Solomon
E S
. (1959 ) Amer. J. Publ. Hlth.
49 , 1497 .
3.
Hovland
C E
Janis
L I
Kelley
H H
. (1953 ) Communication and Persuasion . New Haven, Conn. : Ch. 3.
4.
Nunnally
J C
. (1961 ) Popular Misconceptions of Mental Health . New York .
5.Royal College of Physicians (1962 ) Smoking and Health . London .
6.
Wootton
B
. (1962 ) New Society
1 , 17 .
