en: The main results are that the mean length of utterance increases from around three words at the age of three, to roughly five words at the age of five.
is: Helstu ni " urstö " ur eru #ær a " me " allengd seg " a fer úr rúmum #remur or " um vi " #riggja ára aldur upp í tæp fimm or " vi " fimm ára aldur.