The next sequence pf even would be Joe escapes with Harriet and learns a $2,000 reward is posted for his capture. 2.second event Joe becomes discouraged 300 miles from Canada and remains silent and sad. 3.third event T. Garrett provides a wagon and supplies for Harriet, Joe, and their companions. 4. fourth event Joe's head and hands were raised high as he sang praises for his freedom. 5. fifth event Joe took an undeserved flogging, but vowed his first beating would be his last. 6. sixth event Joe worked six years for his new master before he bought him. THE ORIGINAL ONE WOULD BE 2.
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
