Assignment text: 

Select a topic from the literature on language or cognitive development.  

Choose two theories of language or cognitive development to apply to your selected topic, one from each of the following categories: 

• Nature (biological perspective) 
• Nurture (environmental perspective 

Support your argument with at least 6–8 references to the literature. Use proper APA format and citations.

More information: Finding theorists and their works is a challenging process! Our complete guide on Theories & Theorists will walk you step-by-step through the process of using Library databases, books and encyclopedias, and the internet to find information on theories.