The auctioning of grains by farmers and their agents takes place in a market.​

Using mr smith and his id, identify two potential internal validity threats that might affect the a—b design. tell me how that threat might impact conclusions in the a—b design. note #1: you cannot use maturation (since i already did that one for note #2: there are some mr smith id threats that won’t have much impact in a single case design.

Explain why societies cannot make a choice above their production possibilities frontier and should not make a choice below it.

Select the word from the list that best fits the definition provides purpose to your reading a. survey b. question c. read d. write