Investigated interactions between stress level of syllables and articulatory difficulty as influences on children's early words. Subjects were 32 two-year olds asked to imitate nonsense words and syllables that varied in articulatory difficulty. Found that both factors had significant effects on aspects of children's imitations. (MOK)

Analyzes the exploratory patterns of 112 children ages 4 to 12, using visual and auditory stimuli and toy preference and toy exploration tasks. Finds that a preference for complexity and for unknown toys increases with age and notes age differences in exploratory patterns and question-asking behavior. (Author/CB)