The context of the following conversation is Casey didn't want to try out the experiment for class. Carson conducted Casey's experiment instead.:
Carson says I'm doing this as a favor to Casey. She didn't want to try it in class..
The friend responds Did you work on it with her?.
Carson responds No but I know what it is supposed to do. She left me notes..
The friend responds Why didn't she want to do it herself..
Carson responds I don't know. I guess she just isn't as confident about her experiment as she should be..
The friend responds If she is going to be this brilliant scientist, she needs to get comfortable demonstrating her own experiments..