Once the jazz musician learns all the fundamentals they can keep track of a lot of choices in an instant.

We are often in society told to make decisions in one of two ways. We're either told "Use your gut, just go with how you feel about it and let that guide you," or we're told to use reason - some very deliberative methodical process of pros and cons and really thinking it through.

Now to what...? How we teach people to make choices and the things they're going to make choices over - that is culturally learned.

The first thing we looked at, in what case were people more likely to be attracted to the jar or jam, so in which case are people more likely to stop when they saw the display of jams and what we found was that more people stopped when there were 24 jams.

In America we tell our parents to bring their child home and put him or her in a crib; as they get older, children sleep in they own room not in Mom and Dad's room. What are we training them for? It's independence, because that's what being empowered is all about.

Too many choices can overwhelm us and cause us to not choose at all. For businesses, this means that if they offer us too many choices, we may not buy anything.

So on the one hand in school you're teachers are constantly telling you that you can be whatever it is you want to be as long as you put your mind and heart to it, and yet at the same time I was also getting the clear message of, well, what can you do really?