I. When the infant stares at the parent or the person caring for him, but does not show a happy response. II. At about 5 months of age, the child does not make communicative babbling sounds. III. Does not recognize his parents’ voices and does not respond when mom or dad calls his name. IV. Does not make eye contact with others. V. Does not make babbling sounds until after 9 months of age. 6. Seldom match hand gestures before speaking, such as waving small hands. VII. Holds something and repeats an action repeatedly. viii. Cannot say a word at 16 months of age. Nine, one week old still can not make babbling sounds, and does not make any communicative gestures. X. Cannot say two words at two weeks of age. XI. Lacks language skills even though he/she can talk.