In Dunker's candle experiment, subjects weren't able to find a solution to the candle problem because they could not see past the conventional use of the box. Which obstacle to problem solving did the subjects experience? Functional fixation Counterproductive heuristic Confirmation bias Overconfidence

The correct answer is a. when they started making tools that will them in cultivating lands, they could raise crops and that made them attached to one place for a longer period of time. after that, they started domesticating animals and building their own permanent settlements that resemble the ones we have today.

That is true , instead try to have a sit down talk with them