Kevin did not know whether the locker room was located down the short hallway to his right or down the long hallway to his left. crossing his fingers, he decided to try the short hallway. his problem-strategy best illustrates
a) confirmation bias.
b) the framing effect.
c) trial and error.
d) belief perseverance.

Option (C) is correct.

Trial and error are known as one of the methods of problem-solving. It is represented by recurrent, different attempts which continue until progress, or until the individual stops. This is also known as a heuristic approach to problem-solving or obtaining knowledge. This method is used in several disciplines such as computer science, elementary mathematics etc.  

answer; obscene;

answer; use multiple stimuli;