Infant intelligence from birth until the age of two was measured to determine the usefulness of infant intelligence tests. Twenty infants were tested regularly over the twoyear period. Results showed neither simplex nor other long-term patterns of interrelationship among the infant intelligence scores obtained. The study concludes that the concept of general intelligences does not apply to the infancy period and intelligence tests should not, therefore, be used to judge the effectiveness of intervention programs. (DJ) (17pp.)