3. James believes that some introverts lack self-confidence when interacting with other people. When these introverts get involved in online social communities, James believes
that they build their confidence and are able to make more friends in the live world.
James wants to see if his hunch is right.
Independent variable:
Dependent Variable:
Hypothesis:

Which of these describes a social effect of the civil war? a) fields were left unplanted because the slaves had been freed and much of the male population was unavailable to plant or harvest crops. b) over 600,000 men died, mostly because of the lack of food, clean water, and hygienic medical practices. c) after the emancipation proclamation was issued, african americans were allowed to join the union army. d) lincoln’s assassination after the surrender caused a disruption in the rebuilding of the nation.