Gossip and rumor in an organization are part of the <u>Grapevine</u>, a type of <u>Informal</u> communication channel.
This is because a Grapevine is a form of an informal communication channel in a business organization. In this way, the information can be diffused from any level, either from bottom to top or top to bottom.
The information passed is usually in the form of gossip and rumor. It does not have official backing or formal approaches such as through emails of the business firm or signed and stamped letters.
Hence, in this case, it is concluded that the correct answer is Grapevine; and informal.
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An easy-to-use decision support system that specifically supports strategic decision making is called executive support system.
A decision support system is one software that helps to make effective decisions with providing various alternatives of the solution to the problems addressed.
Strategic decision making is a process that provide an overall decision over the edge gaining an extra advantage for the firm analysing the decisions taken and the impact over the organisation. Wrong decisions taken at the wrong time may result in specifically driven decisions.
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