Answer:
Dr. Innis, who is investigating in detail the tactile perception of a blind woman.
Explanation:
The case study is one of the form of the research methods in which an extensive investigation is laid upon an individual, or a group, or a community. Information and data are collected and used to find conclusions out of them. Interviews and observations are used to study the individual and the events. They help in understanding, analyzing, and evaluating the different aspects of the topic.
From the given options, the research that Dr. Innis is conducting is an example of the case study method.
