What was the main idea behind frederick taylor's work on the scientific approach to management?

The correct answer is economic efficiency.

Scientific management built on earlier pursuits of economic efficiency. I t favored empirical methods to determine efficient procedures as opposed to a continuation of established traditions. This is based on eliminating waste through the standardization of best practices.

Efficiency--Frederick Taylor's methods focused on creating efficiency within industries.

Taylor's methods focused on assembly line tactics and structure of work day to create the most efficiencies. Businesses used this model to structure factories to produce the most product and wealth possible.