Research Question: Will pile sorting enhance the learning quality of vocabularies of bilingual children in preschool?

 Discuss how the research methodology pile sorting can apply to the research question: Will pile sorting enhance the learning quality of vocabularies of bilingual children in preschool? Explain why is this method appropriate for addressing this research question? What are the strengths and possible shortcomings of the method? Could you meet these shortcomings by using other methodologies? (example, concept mapping, drawings, networks) Who are the key developers/users of this methodology that you will need to cite if you use them?