Signature Effect means that when people write down their names on paper, their self-awareness in the brain will be strengthened. At this time, when they see what they like, it is easier to connect the items with themselves, and generate ideas such as this thing is really suitable for me, so as to stimulate their desire to buy
According to the above definition, intermediary company requiring the tenant to sign the house viewing agreement before the house viewing can be explained by Signature Effect.