This is not social studies..
the rise of political parties
The Proclamation of 1763 limited the colonies from expanding west of the Appalachian Mountains. King George III of Britain proclaimed that all lands west of the Appalachian Mountain Region were uninhabitable for colonial settlers and reserved for Indigenous Americans.
Civil liberties are protections against government actions. For example, the First Amendment of the Bill of Rights guarantees citizens the right to practice whatever religion they please. Government, then, cannot interfere in an individual's freedom of worship.
Answer:
They should tested more people
Explanation:
To conduct an experiment, they have to collect many data, repeating the experiment multiple time, design the study etc .
The method used in this scenario is wrong, the outcome of their experiment is based on one sample and the experiment was only conducted once with test of validity.
The result gotten this research may had been because of preference in their reading environment
Joe might like listening to music while he studied which gives him edge to performed well.
Before they can come to a conclusion, they have to involve many individuals in the study