The answer is Michael Eugene Porter.
He was still a young associate professor at Harvard Business School when he published this research and it was highly influential. Porter's Five Competitive Forces that Shape Strategy is a tool used to analyze competition of an industry. His research was published in 1979. 
        
             
        
        
        
Answer:
<em>B) A mnemonic device</em>
Explanation:
Mnemonic devices are methods that can be used by an individual to help them improve their ability to remember. In certain words, helping the brain properly interpret and remember important information is a memory technique.
It is a quick workaround that allows everyone to connect with an image, a phrase, or a word the details we want to recall.
It's simply a means to memorize information so it sticks longer in our brain and can be more easily remembered in the future.
 
        
             
        
        
        
Answer:
The correct answer to the following question will be "checking up on ourselves".
Explanation:
- This expression means essentially being vigilant. As much as you can, make sure you've got all the details so you won't get trapped financially drained or physically harmed.
 - So, if you want to improve your skills regarding communication and want other feedback for this. Then these things are called as you are checking up on yourself.
 
Therefore, it's the right answer.