How has the economy of Russia changed since the fall of the Soviet Union?

A. from a mixed to a market
B. from a market to a command
C. from a command to a mixed
D. from a market to a mixed

D. from a market to a mixed

Explanation:

During the Soviet Union era, the government own and control all the resources in that country. This provide no incentives for people to work hard and make people unable to choose their own career. This made soviet union countries became really poor, eventually led to their fall.

After the fall, Russia started to transitioned into a mixed economy. They give opportunities for people to own private properties and opened up private businesses. That being said, they do not fully transformed into a free market. The government still involved in creating regulations that limit the private sector and  sill have percentage of ownership over large companies and entitled to some part of their revenue.

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.

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