How might when information is selected for additional processing impact the types of information that take priority from a theoretical perspective?

First summarize the Distracted and confused?: Selective attention Underload article that is attached to documents, then address the following questions regarding the article in paragraph form. No bullet points

* Is the theory classified as an early or late selection theory?
* How might when information is selected for additional processing impact the types of information that take priority from a theoretical perspective?
* Do you think there are clear differences between early and late selection theories of attention? Why or why not? What might best differentiate the two types of theories?