An especially powerful way of ruling out the possibility that a deficit in one task represents a simple disparity in difficulty with another task, for which performance is preserved, is the:
A)Occam's razor
B)Case study
C)Single dissociation
D)Double dissociation
E)Counterfactual

Question

Quizplus · Accepted Answer

Double dissociation involves demonstrating that two tasks have different patterns of impairment in two different patient groups. This provides strong evidence that the deficits are not simply due to general differences in task difficulty, but instead reflect distinct cognitive processes.

An Especially Powerful Way of Ruling Out the Possibility That