Before revision: Stronglydisagree Stronglyagree 1 2 3 4 51.I think that I would like to use this system frequently.◯◯◯ ◯ ◯ 2.I found the system unnecessarily complex.◯◯◯◯ ◯3.
After revision: Stronglydisagree Stronglyagree 1 2 3 4 51.I think that I would like to use this system frequently.◯◯ ◯ ◯ 2.I found the system unnecessarily complex.◯◯◯◯ x