Kindly answer quickly

EXPERIMENT - Judgement Time as a measure of difficulty of decision page 234 by Postman &Egan ' Cards showing different degrees of angles ranging from 20 to 140 degree. Out of these angles five are chosen arid shown to subject then these five are merged with all the other angles and shown to the subject in random order for 10 trials and asked to name those angles which he has seen previouslyl cards showing 5 selected angles). - Problem, hypothesis, variables, introduction, historical background procedure, results then discussion