<u>Stimuli that are similar to the original conditioned stimulus also cause the conditioned response. </u>It has been shown that there is a mechanism that relies on prior learning to reduce the uncertainty associated with strangers (in people for example), ultimately facilitating potentially adaptive decisions to trust, or retain the trust of other strangers.
The hypothesis that the RSA Animate video offers as to why we often avoid explicit language is that indirect language creates individual knowledge, while explicit language creates mutual knowledge that we cannot take back.
Uttering explicit language can be a determinant of a person’s first impression towards the speaker.