This is the basis for McClelland's Acquired Needs.   He only focused on three where should learn more about:

• The need for power,
  
• The need for affiliation, and
  
• The need for achievement.
  

These are powerful enough that they will drive your choice of careers and ultimately influence the degree of success you have in the world. But we see people using their jobs as a means of satisfying these needs in the world to work. Discover more about these three very important needs in video one. 

Three Critically Important Needs You Need to Understand (Time 12:15) 

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The remaining three videos will tell you more about each of these needs -- needs that you see operating in the real world.

Video 2: Need ForAffiliation  (Understanding The Nature of Affiliation) (Time: 5:50)

To the chagrin of the economists and the ire of the CFOs, people don't exist just to pump out as much work that they can to satisfy the greed of the stockholders. They also use work to satisfy social needs—their need for affiliation.

Of course, some are low on the affiliation scale and they like nothing better than to be left alone. This is sometimes referred to as having a high need for autonomy. However,  those who are high on affiliation needs will choose jobs and careers but have lots of people around.

People charge them up. People get them motivated. It's all about having friends.

Need for affiliation is one of the most important of all the needs we possess. There is no more psychologically damaging punishment than to isolate someone from others. It’s important to understand this need since it drives choice of careers and whether you are happy doing what you are doing.

What is it about power? Those that have it want more. And those who don't have it, want it. Having power makes many people feel good. And so they spend their life continually seeking more of it.

You might call power seductive, you might call this need self-reinforcing;  you might hate it, or you my love it but you can never ignore it. Some people believe that to really understand bureaucratic organizations, you must discover how those higher up in the dominance hierarchy exercise power.

Honestly, most people have a distaste, a revolution toward power. Until that is, you get some. They one finds out that you really like it. Not just like it, but really want more. Power is not inherently bad, it is not essentially good, it all depends on how you choose to exercise it.

Video 4: The Need For Achievement (Time: 36:50)

It has long been known that one of the most important learned needs you can develop is achievement motivation. Not only is it associated with success as an entrepreneur, it is also a major component of emotional intelligence

Achievers drive themselves to greater levels of accomplishment. Find out more about what it is and discover six techniques that you can use to influence his development for the thought, the prior to the development of money there is the drive to achieve. This presentation covers foundation techniques to increase this type of motivational force.