Comparing the California test scores to test scores in Massachusetts is appropriate for external validity if

A) Massachusetts also allowed beach walking to be an appropriate P.E. activity.
B) the two income distributions were very similar.
C) the student-to-teacher ratio did not differ by more than five on average.
D) the institutional settings in California and Massachusetts, such as organization in classroom instruction and curriculum, were similar in the two states.

Answer: D

Economics

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After you graduate, you have decided to accept a position working at the Bureau of Labor Statistics for $45,000.00 a year. The two other offers you received were working for Wal-Mart for $38,000 and working for Ernst and Young consulting for $42,000

Of these two offers, you would have preferred the job at Ernst and Young. What is the opportunity cost of accepting the position at the Bureau of Labor Statistics? A) the $45,000 you are paid for working at the Bureau of Labor Statistics B) the $42,000 you would have been paid working for Ernst and Young C) the $38,000 you would have been paid working for Wal-Mart D) the $42,000 you would have been paid working for Ernst and Young and the $38,000 you would have been paid working for Wal-Mart

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What are the disadvantages of a standard form contract?

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