Which of the Following Researchers Is Conducting a Case Study

Multiple Choice

Which of the following researchers is conducting a case study

A) Dr.Henriette, who is measuring how fast a group of students can respond to a stimulus.
B) Dr.Innis, who is examining the tactile perception of a blind woman
C) Dr.Jenner, who is observing children on a playground
D) Dr.Kulik, who is combing through newspaper stories on serial killers