Australian Currency

question 43

Multiple Choice

Australian currency .

• A)is less efficient than barter
• B)includes debit cards
• C)is composed of the bills and coins we use today
• D)is the sum of M1 and M3

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Definitions:

Difference Threshold

A measure of the smallest increase or decrease in a physical stimulus that is required to produce a difference in sensation that is noticeable 50% of the time.

Psychophysical Threshold

The minimum level of stimulus intensity perceived by the sensory system.

Just Noticeable Difference

The smallest difference in stimulation required to detect a change in sensory inputs, also known as the difference threshold.

Detectable Difference

The minimum change in a stimulus that can be correctly identified as different from a reference stimulus a certain proportion of the time.