Final answer:
To understand children's varying language and literacy progress, one should analyze the data, speak with parents, and consider socioeconomic factors influencing language exposure and development.
Step-by-step explanation:
When noticing differences in language and literacy progress among children without clear explanations, it is beneficial to analyze the data further. By examining both qualitative and quantitative research elements, such as interview responses and observation notes, insights into each child's use of language can be found. Parents and caregivers can also provide crucial information about a child's language use at home. Additionally, different socioeconomic backgrounds may play a significant role in language development as studies have shown variances in the number of words and interactions children are exposed to. Understanding the full context through data analysis, family input, and knowledge of related studies assists in forming a well-rounded picture of each child's language and literacy progression.