the marginal social benefit of producing and consuming another unit equals the marginal social cost.
You think some more about what happened on your way home. You realize that your colleague is but one person; who knows how many other people out there think like her? It helps to change people's racial stereotypes and attitudes, but the only way real change can come about is if our institutions and systems implement policies that promote racial equality. You suddenly feel angry. What if redlining still goes on because real estate companies are filled with people who think like your colleague? What policies exist to stop such institutionalized prejudice?
<span>In randomized controlled trials, people are randomly assigned to each category to offset any potential bias.
</span>Selection bias<span> is the phenomenon where</span><span> the </span>selection<span> of people or groups is not adequately randomized to offset potential bias in research studies. This in turn does not ensure that the study samples included in research are representative of the population needed to be tested on.</span>
Answer:
survey
Explanation:
You are surveying 2000 people.