You do not need to do Part 1, Please focus only on Part 2. For the question, Ple

You do not need to do Part 1, Please focus only on Part 2.
For the question, Please do: Between the ages of 3 and 5, how long can boys and girls sustain sequences of talk?
CHILDES Database: https://childes.talkbank.org/access/Eng-NA/Please use the Garvey Database, you might have to make a free account to access it.
On top of citing CHILDES, you will need to cite three pieces of research (journal articles) that have investigated the topic.