Try reading this http://www.joedunmanlaw.com/blog/2016/1/25/the-president-is-the-chief-executive-not-a-legislator
Answer:
The correct option is A
Explanation:
This occurs because since the seller can identify buyers by group characteristics, then he can ensure that children do not buy game tickets for adults in the first case. However for concession items, the seller does not have the power to prevent children from purchasing concession items for adults, hence charges the same prices for adults and children for concession items. This means that the seller has some sort of monopoly power.
Answer:
The correct answer is The study has a problem with the External validity
Explanation:
External validity in research terms is the validity the research has in the outside world or in the applied social reality of the field of study, it is the extent in which the results and conclusions of the study can be applied and generalized to ohter external factors, therefore in this case, when the researchers did the experiment only with motivated volunteers did not take into account that people outside may not have the same motivation, therefore the results may not be the same in the external social reality and thus having problems with the external validity.
I don't really know sorry man. :(
