Support for the video deficit hypothesis comes from several lines of research. Studies of language learning have demonstrated that children aged two and older can learn vocab- ulary from television. 19 Unlike older children, however, infants and toddlers are less likely to learn from video. One experiment found that children younger than two learned vocabu- lary better from real-life experiences than from equivalent video presentations. 20 Other experimental research demonstrates that television models are less effective than live ones in preserving discrimination of foreign phonemes (speech sounds) in infants. 21 Additional support for the video deficit hypothesis comes from studies examining infants’ and toddlers’ ability to.
