Most real-world choices aren't about getting all of one thing or another, instead, most choices involve , which involves comparing the benefits and costs of choosing a little more or a little less of a good. utilityopportunity costbenefit analysismarginal analysis

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.

a factory opens that mass-produces light bulbs.

explanation:

not sure if that's an answer to your questions but this is an example! : )

question 1: paragraph 3

question 2: paragraph 2

question 3: paragraph 1

hope this !

can you me on my ss question?

answer; they both highlight the power of the situation in determining behavior;