The research conducted by to determine the characteristics of successful organizations was later criticized during the 1980s.

The correct word for the blank space is: Elton Mayo.

Explanation:

Australian sociologist and psychologist Elton Mayo (1880-1949) and his associates from Harvard University conducted a study in Chicago in the Western Electric Hawthorne Plant between the 1920s and 1930s. The purpose of the research was to prove that employees' behavior changed for the fact they were being observed rather than for changes in the environment. In the 1980s, the research was criticized because, according to other specialists, the methodology used was imprecise to suggest such reactions in individuals for the situation given in the Hawthorne Plant.

answer; /// the correct answer is (10) days; /// good luck

the investment was $14,174.196

explanation:

a lump sum means that the father of the example made one deposit and leave it be.

we need to know the value of a capital that generated at 4.05% per year during 28 years the sum of $48,613.24

now clearing the formula to solve for capital we got:

and we reach the answer investment = $14,174.20