The problem with self selection in research is that it makes it makes causal interpretations difficult.
<h3>What is self selection?</h3>
This is a type of bias that occurs often times in social science research. In this type of bias, the respondents cause it because they are totally allowed to decide things for themselves.
The respondents are left to decide for themselves whether they want to participate in the research or not.
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Causes for Unequal Distribution of Wealth and Income. Two major causes for the creation and distribution of wealth and income in the world are government policies and economic markets. As nations industrialize, they tend to move from a manufacturing-based economy towards a service-based economy.
The answer is B evolution:))
Emergency response experts recommend that you should be prepared to take care of yourself (and those that depend on you) in your home for approximately <u>72 hours</u> after a major disaster.
<h3>How long should you be able to take care of yourself in an emergency?</h3>
When an emergency such as a hurricane strikes, emergency response experts recommend that one should be able to take care of themselves and their dependents for at least 72 hours.
This is based on the belief that in the United States, emergency services will respond to people within 72 hours after an emergency.
Find out more on emergency response advice at brainly.com/question/26795286
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