When Carlos was promoted, he moved into a new office with a new phone extension. Every time he is asked for his phone number, Carlos first thinks of his old extension. What does this illustrate

Proactive interference

Explanation:Proactive interference occurs when our preexisting or past memories prevent us from absorbing and recalling new memories. In contrast to this is a retroactive interference in which new memories prevent us from recalling old Information or memories.

Proactive interference is caused by competition between memories especially when they are similarities between the old and the new memory like number when you want to remember you new number but ends up remembering the old one.

answer; john locke;

answer; conditional stimulus will trigger a conditioned response;