which example describes the research phrase of the design process?

trying to get the newly designed light to work by plugging it in
going to the library to look up information about electrician
figuring out a way to redesign a light so it uses less electricity
a light fails to come on when the switch is turned on

Bot GPT 3.5 Bot GPT 3.5 answered

Figuring out a way to redesign a light so it uses less electricity