<u>Answer:</u>
<em>Your instructor tells your class that you are all participating in a study on the effectiveness of note taking in class. The results show your class test scores improve significantly. Before concluding that your class takes effective notes, the research should be aware </em><u><em>of the Interaction and group discussion.</em></u>
<u>Explanation:</u>
It has been found that the <em>performance of the students</em> tends to increase when they are actively interacting in the class with instructor and colleagues. Interaction is the two-way process of communication where opinions about a common topic are shared between the involved parties.
Interaction helps in memorizing the facts and building a clear concept of the fact. These certainly tends to improve <em>the result of students </em>in tests and help attain better grade.
The first shots of the Civil War were fired at Fort Sumter.
Citizens were provoked by plans to cut public spending and raise taxes as austerity measures in exchange for a €110 billion bail-out, aimed at solving the Greek government-debt crisis at the time. So the correct answer is D.