Questions whether children's use of language indicates they (1) understand temporal sequence, (2) distinguish goal-oriented from nongoal-oriented activities, and (3) prefer discussing the aspect of events prior to the time of events. Also investigates whether findings for past and future conditions are parallel. (Author/DB)

Studied the development of speech act comprehension in 36 retarded and 36 nonretarded children at the developmental ages of five, seven, and nine years. Retarded and nonretarded individuals followed the answer obviousness rule and used the contextual and linguistic clues available to respond to yes-no interrogative sentences. (RJC)

Compares the effects of audio and audiovisual presentation on young children's cognitive processing while explicitly controlling the amount and complexity of information. (HOD)