Babysign classes are increasingly popular across the UK. Benefits are said to include increasing child vocabulary, reducing frustration, and improving parent-child relations. A further relationship between the use of babysign and maternal mind-mindedness (MM) has been suggested. It was hypothesized here that parents choosing babysign classes would…

The placement of laughter in the speech of hearing individuals is not random but "punctuates" speech, occurring during pauses and at phrase boundaries where punctuation would be placed in a transcript of a conversation. For speakers, language is dominant in the competition for the vocal tract since laughter seldom interrupts spoken phrases. For…