What Is the Dependent Measure in the Sequential Touching Task

What is the dependent measure in the sequential touching task?

A) The degree to which infants manipulate within-category objects sequentially compared to between-category objects.
B) The degree to which infants manipulate the novel category object compared to the familiar category object.
C) The degree to which infants look at the novel category object compared to the familiar category object.
D) The degree to which the sequential touching of objects within a category decreases with increasing familiarity of the category.