Key points are not available for this paper at this time.
Joann Paley Galst, Mary Alice White, The Unhealthy Persuader: The Reinforcing Value of Television and Children's Purchase-Influencing Attempts at the Supermarket, Child Development, Vol. 47, No. 4 (Dec., 1976), pp. 1089-1096
Galst et al. (1976) studied this question.