Various push and pull factors.
Possible push factors:
- Famine
- Violence
- Homelessness
Possible pull factors:
- Job opportunities
- Social opportunities
- Safety
Economics is the answer to the question
A good test is about how the internet can interfere on social skills
A Hypothesis is a scientific research, is started with a solution of a problem. At least, this is the first step. The hypothesis is the testable proposition that may prove to be the solution of the problem
For this hypothesis, is needed to use online forms, of course to reach internet users. Some interviews too. When conducing a scientific research is important to have secure sources. Different tests can have different assumption, this is needed to be considered when the result is chosen.
Natural Barriers are correct