Because her coworker kept her eyes on her work and never said much, Laura concluded that Rita wasn't very smart. But when a new procedure was introduced on their floor and Laura made several errors, Rita showed her a simple way to remember each step. This is an example of

Amisjudging other people's abilities.

Bhaving a low level of self-esteem.

Cfailing to listen to others.

Dfailing to take responsibility for one's mistakes.