Elected in a closed caucus · Schedules legislation for its party · Helps coordinate support for legislation · Is generally the second-most powerful member of the House All of these are describing what position in Congress?

The majority leader

Explanation:

The majority leader of the house is voted by the members of his party in the house and his main responsibility is to represent, promote and publicize his party's (majority party) agenda in the house. He is regarded as the second most powerful member of the house after the speaker.

answer; the above statement is (false);

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.