Categorical Perception

Stimuli in trials:

<Demo-experiment of Categorical Perception>

(1) Identification Task:

a. Continuum 1
・ Which do you hear?: /ba/ or /da/

Trial 1 Trial 2 Trial 3

Stimulus 1

Stimulus 9

Stimulus 5

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b. Continuums 2
・ Which do you hear?: /ra/ or /la/

Trial 1 Trial 2 Trial 3

Stimulus 10

Stimulus 1

Stimulus 5

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(2) AXB Discrimination Task:

a. Continuum 1
・You will hear 3 stimuli in sequence on each trial. Say whether the SECOND stimulus is more similar to the first or the third.

Trial 1 Trial 2 Trial 3

A: Stimulus 1 / X:  Stimulus 3 /  B:  Stimulus 3

A: Stimulus 4 / X:  Stimulus 4 /  B:  Stimulus 6

A: Stimulus 9 / X:  Stimulus 9 /  B:  Stimulus 7

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b. Continuum 2
・You will hear 3 stimuli in sequence on each trial. Say whether the SECOND stimulus is more similar to the first or the third.

Trial 1 Trial 2 Trial 3

A: Stimulus 1 / X:  Stimulus 3 /  B:  Stimulus 3

A: Stimulus 7 / X:  Stimulus 7 /  B:  Stimulus 5

A: Stimulus 8 / X:  Stimulus 8 /  B:  Stimulus 10

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