"Can you possibly give me a ride to work this Saturday," your friend, Sarah, asks over the phone. You do not have any thing planned and it is not an inconvenience to you, you agree to do this favor for Sarah. "Oh, that's Awesome! Thanks you so much. By the way, I forgot that I have to be into work at 4:30 am, so you'll need to pick me up at 4:00 am. See you then," Sarah adds before hanging up the phone. You are still likely to do the favor for Sarah because you have just been a subjected to of the ________ technique.