English Language For Children

What are people doing for their language investigation for english language A2 please?

Which language investigation topics are people doing please, and what is the title of their language investigation? (english language A2)
I’m going to focus on children’s language acquisition.
How much data are people collecting?

“an investigation into how stress affects language use of males and females”
im collecting data by recording big brother and then i will make a transcript of the data i find useful; my teacher told me to record everynight for a fortnight so as to get enough data to analyse and then the data will be transcribed to make approximately 2 A4 pages