study on a Controversial Topic

For this assignment, develop a research design to investigate, and seek to answer

following controversial/unresolved questions in the field of cognitive development:

When do children develop Theory of Mind (ToM)?
Analyze the relevant literature and include a minimum of 3 relevant peer-reviewed articles in your literature review.

Based on your analysis of the literature, develop a design you believe could answer the question. Present the pros and cons of your design.

https://www.ted.com/talks/alexander_tsiaras_conception_to_birth_visualized