Most scholars agree that over the past several decades, the way that people work has significantly changed. the greatest source of change has been

Utmost scholars decide that over the previous numerous decades, the way that people work has significantly changed. The greatest source of change has been the growth of new technology especially computers. In addition, technology is constantly changing and new technologies often require new skills it acquires open-minded about adapting to take advantage of available electronic tools. In other words, it is a good idea to become a lifelong learner.

productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

producing or giving rise torelating to or engaged in the production of goods, crops, or other commodities.

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.

This would be a example of a "i want to be single person"