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In this experiment the pairs of sounds you heard in previous experiment come in the middle of the sound of a telephone dialing.

Listen to these telephone noises by themselves.

In the five sets of sounds below these telephone noises are always present. You must disregard them, and consider only the sounds that are the same as those you heard in the previous experiments. Superimposed on each setof telephone noises there is a pair of sounds of the type thatyou heard previously. Your task is to say whether the membersof the pairs are the same or different. If you don't know whether the members of the pair are the same or different, just guess. [Hint:Most people guess.]

Pair 1
Remember. Just listen for the pairs of sounds that were in the previous experiment

Pair 2

Pair 3

Pair 4

Pair 5