Examlex
Prepaid incentives have been shown to increase response rates to a greater extent than promised incentives.
Understanding Of Number
The cognitive ability to recognize, value, and manipulate numerical quantities, fundamental to mathematics.
Threeness
The quality or condition of being three or having three components.
Twoness
Twoness describes a state or condition of being divided or having a dual nature, often relating to identity or perspectives.
Subtraction
The mathematical process of taking one quantity away from another, or the removal of elements from a set.
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