Which of the following was not mentioned as a reason for changes in managerial work?

In the United States, the service and information sectors of the economy account for most of the nation's economic growth. Manufacturing makes an important but decreasing contribution to the economy

The United States is best classified as a post-industrial economy. Indicate whether the statement is true or false

A research study conducted with placing electronic sensors on participants found that sending e-mail and text messages enhanced communication more so than face-to-face communication

Indicate whether the statement is true or false.