In a study by Leventhal, some students were exposed to a high-fear message regarding the importance of taking tetanus shots. Later, half of them were given specific instructions about where and when the shots were available, while the other half was not. Compared to the group that received instructions, students who did not receive them:

gold discovery in california, and pioneer settlers were sometimes pulled west because they wanted to make a better living. others received letters from friends or family members who had moved west. these letters often told about a good life on the frontier. the biggest factor that pulled pioneers west was the opportunity to buy land.

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the answer is b, encourage free trade

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.

buildings

explanation: