Mum is asking more questions and being led by the girl. Mum is encouraging the girl.

taking time to chat about the book and pictures before reading it, praising her saying certain words and looks like she's enjoying doing it with her daughter. girl is chatty and relaxed

Not forcing and being more engaging and allowing her child to enjoy it more and get into it.

Mum is more relaxed in the second clip, the child as a result looks like she is enjoying it more. Her reading is smoother, they are bonding better.

she's getting her daughter interested in the book by looking at the pictures and imagining what might be happening, by sparking her imagination, you interest, and therefore concentration. She's then happy and calm and ready to find out and read

Listening, seeing what's interesting the child, their pace.