Research finds that major changes in companies are usually initiated by a strong chief executive who has occupied the position for many years.

The statement is "False".

The truth of the matter is that an external successor acquired to supplant a CEO who was forced out can start significant changes in organizations and companies. Building up an incredible successor is a standout among the most imperative achievements for a CEO, or any senior-level official.

its b i looked it up hope u get it right wish u luck

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

explanation:

productive can also mean:

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