Question: Write a literature review based on the following title and the research questions indicated below. The literature review must have in-text citations and a list of proper references following APA Format. It must be 5 pages (roughly 250 words per page). There must be a minimum of 10 references.

Note: In Singapore, K2 children are 6-year-olds who attended their final year in a kindergarten and will enter formal schooling which is called Primary School.
So, in the literature review, my supervisor has given inputs indicated below so expert can use this to guide in the writeup.