People are all different, but the most effective method for giving someone information in general is to tell him or her directly. Effective methods of giving someone information include participation in a discussion group or demonstrating the information.
Depending on what someone needs to know and how he or she learns, the method of delivery could vary. Having a group discussion about information is a versatile way to convey information. Demonstration is sometimes less effective, but it works for a wide range of information. Another highly effective way to convey information is to have the person subsequently apply the information by teaching it to someone else, but this method works primarily for academic information.