Elton Mayo experiments at the Hawthorne Electric indicated: a. No significant correlation between the level of illumination and the level of productivity b. Productivity was affected by the human relations between the researchers and subjects, which was the missing variable in the original model c. Good relations between the employees, high group cohesiveness were the other factors d. All of the above

d. All of the above

Explanation:

In the case where is a large number of manufacturing complexes and if the research is done on productivity so it would be considered as a Hawthorne works that could be possible via partnership done by many industries, universities, etc

There is no correlation between the productivity and the light levels. The speed of an individual workers would be measured the total level of production and the factors impact such as resting periods, working hours etc. It also developed the various kind of positions to represent the productivity that could change in some specific groups i.e. group norms, cohesiveness, etc

So as per the above explanation, the option d is correct

match each type of restriction with one of its effects.

a. land-use laws

b. labor laws

c. banking regulations

a. controlled development of towns and cities

b. protection of young workers

c. greater financial stability

answer; customers within the organization