In a Study by Posner,Welton,and Goldsmith (1967),subjects Saw a Bunch

In a study by Posner,Welton,and Goldsmith (1967) ,subjects saw a bunch of dot patterns,and then later had to classify them as previously seen or unseen.The results were that

A) subjects were unable to distinguish new dot patterns from old dot patterns.
B) subjects confident reported that they had seen only the old dot patterns,but not the new ones.
C) subjects confidently reported they had seen the prototype,although they never had.
D) subjects recognized the prototype,but not as well as the other dots that had been seen before.