Dr. macpherson believes that the way students organize and think about the information in their textbooks will strongly influence their ability to later remember and use what they have studied. dr. macpherson's ideas most directly exemplify the perspective.

a. social-cultural
b. cognitive
c. psychodynamic
d. humanistic
e. biological

Cognitive perspective

Explanation:

An approach is that hold some views about human beings. Cognitive Perspective is revolved around attention, memory, concentration, etc. It deals with the mental process of a person. It is assumed that the human mind work as computer processing occurs.  

Thus in the above statement, Dr. McPherson ideas most directly exemplifies the cognitive perspective. Dr. McPherson believes in cognitive perspective because he discuss about students organization and thinking about an information in their textbook that lately influence their memory.