In four sentences or more, summarize the content and purpose of the United Nations Declaration of Human Rights.

The Universal Declaration of Human Rights (UDHR) is a document that acts like a global road map for freedom and equality – protecting the rights of every individual, everywhere.  The Universal Declaration includes civil and political rights, like the right to life, liberty, free speech and privacy. It also includes economic, social and cultural rights, like the right to social security, health and education.

Explanation:

answer:

d. because dr. laguardia selected a widely used measure, his study generalizes to has strong external validity. external validity has limited external validity. other applications of this measure.

the widely used measure that he applied to his experiment was the benton facial recognition test. it employed on to football players and as result, only players who suffered brain concussions did not pas this test. and although it has an external validity, it is limited because it isn't general to apply to other population.

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