A Psychology Professor Has Set a Test for 50 Students

A psychology professor has set a test for 50 students with each question passed scored as 1 and each question failed scored as 0 from a total of 100 questions.One week later the professor then asked the students to write down all the things they had passed that they could remember.These were scored as correctly remembered or incorrectly remembered by coders who were blind to the experimental conditions.He then conducts a within-samples t-test to compare the number passed with the number remembered and provides the SPSS output below. Which of the following statements is true?

A) The correlation between the passed and remembered things is too small to be useful
B) The appropriate terminology in psychology is to refer to the blind coders as "visually impaired"
C) The mean for remembered is too small to be valid or reliable
D) The big differences in standard deviations between the variables is worth examining.
E) A between-samples t-test should have been used.