A、I am considered an expert on this. I have successfully done this multiple times without assistance or error. I train or supervise others on this activity. Others come to me when they have questions or need assistance with this.

B、I have successfully done this without assistance and with few errors, but I do not train or supervise others on this activity.

C、I am proficient at this. I have successfully done this on my own, but I occasionally require assistance for some types of problems encountered when doing this and/or occasionally make minor errors.

D、I have successfully done this with the assistance of others or specific instructions.

E、I am a novice. I have not done this yet or I am learning.