Did you know that traffic lights are meant to speed up the flow of traffic rather than slow it down do you think the traffic lights accomplish this task why or why not in your answer make sure to describe a situation that illustrate an defend your opinion.

yes

Explanation:

everyone speeds up when a light turns yellow, rather than red

this null effect is caused by a weak manipulation and ineffective internal validity. in a scientific study, as the one dr. morimoto is trying to perfom, internal validity refers to the confidence placed in the cause-effect relationship and to how well an experiment is done and able to eliminate confounding variables.        

answer; one person; monarch;