Engel v. Vitale Facts of the Case (3-5 sentences): put this under into 3 sentences or more
The New York State Board of Regents authorized a short, voluntary prayer for recitation at the start of each school day. A group of organizations joined forces in challenging the prayer, claiming that it violated the Establishment Clause of the First Amendment. The New York Court of Appeals rejected their arguments.

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Explanation:

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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.

well its not not rising unemployment and falling inflation.

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