You know a pair of identical twins that are so similar to each other that you can correctly identify each twin only about 50% of the time.Your ability to distinguish the twins is most analogous to:

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The difference threshold refers to the minimum difference in stimulation that a person can detect 50% of the time. Your ability to distinguish the twins 50% of the time is analogous to this concept.

You Know a Pair of Identical Twins That Are So