Conduct an experiment where participants see a number of target letters flashed briefly on a screen and are told to immediately write down the letters in the order they were presented. It is most likely that the target letter "P" will be misidentified as:.1. L2. R3. I4. C

The correct answer is letter C

Explanation: In this specific type of experiment there is a great possibility that the letters will be confused, by the way the pronunciation looks and also by the appearance, by the similarity. Usually in these experiments these letters are placed on purpose to identify these assimilation processes.

there is an explationation of this on a site called crash   course world history 1