Kredlow and Otto (2015)asked Undergraduates at Boston University Who Lived

Kredlow and Otto (2015) asked undergraduates at Boston University who lived near the Boston Marathon site to recall their memories of the 2013 bombing.A minute later,students read an unrelated story that was either positive,negative,or neutral.A fourth group of students did not read a story (the control group) .A week later,the students were again tested on their memories of the bombing.Compared with the control group,which statement MOST accurately summarizes the results?

A) Students who read the positive story recalled significantly more details about the bombing.
B) Students who read the negative story recalled significantly fewer details about the bombing.
C) Students in all three reading groups recalled significantly more details about the bombing.
D) Students in all three reading groups recalled significantly fewer details about the bombing.