Frow Wookiepedia, http://starwars.wikia.com/wiki/Battle_meditation
"Battle meditation was a Force ability which considerably boosted the morale, stamina, and overall battle prowess of an individual's allies while simultaneously reducing the opposition's combat-effectiveness by eroding their will to fight. With the Force, one could coordinate entire fleets of ships, allowing them to perform at maximum efficiency, acting as a single entity with the ability to counter every enemy move quickly and effectively. Though ideal for meditating large-scale conflicts, battle meditation was equally effective when employed for the benefit of one's comrades in small skirmishes, attacks, and duels."
I remember from "Darth Bane: Rule of Two" that the Ithorian using battle meditation aided the Jedi Masters in their fight, making them faster, stronger, and yes, more confident. I still think that battle meditation would give Kaan the edge, even with Sadow's illusions.