Research in which existing data, such as census documents, college records, and newspaper clippings, are examined to test a hypothesis is known as

I believe the answer is: Archival research

In the past the data for Archival research could be easily accessed by public through things such such as documents on repository or books/articles kept in library. Now days, archival research could be done by everyone through the internet from the comfort of their own home.

hello,

answer: a federal government has final authority on interstate/inter provincial  and international affairs, a confederation is one where the central/national government or authority is governing body what does not have final say over the same matters. hopefully this and i will try again if you don't like this answer : )

best of luck!

i believe the answer is: description

description refers to the goal of psychologist to identify the phenomenon that being observed. this goal is being actualized by collecting data/information from various clues that observed through the phenomenon. this goal must be accomplished before pyschologist able to create methods of treatment.