By the 1840s, voter participation in the presidential election a) nearly 50%b) 25%c) 40%d) 15% e) nearly 80%

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? (2 points) functional fixation counterproductive heuristic confirmation bias overconfidence