Limit poker tests your intellectual might. With fixed limit a spread limit is normally implemented, alternatively each betting round, for example, flop, turn or river, will have a minimum and maximum allowed per bet.
Bluffing is seldom used in limit poker. The majority of hands are played directly. Making the right decisions consistently over a period of time is imperative, while no-limit relies on applying pressure at the correct time to take the large pots.
Playing limit games with small blinds relative to the stack sizes for some period of time will accomplish very little except to ensure that nobody can go broke for a few hours. It will do nothing to increase the skill factor. Playing limit, especially low limit, is pretty much ABC poker with a touch of selective aggression for short handed play.
During limit games you have a target to aim at. The use of game theory and mathematics together can yield good results. Limit poker takes a more scientific approach, whereas no-limit is defined as more of an art form.
No-limit is unlike limit games in many ways, having a decent knowledge of the game is necessary before studying and playing. This does not mean limit poker is inferior however, it is that different strategies are used. Winning big pots is what the professionals look to do by going all in, possibly if their current hands are not even the greatest. Beginners are encouraged more to play limit as the potential losses are small when comparing them to no-limit.