An Important Parameter in Item Response Theory Is the Slope

question 6

Multiple Choice

An important parameter in item response theory is the slope of the curve, which is an indicator of how well the item discriminates.  If there is a ________  slope then the item is probably a good discriminator ,whereas a ________ slope probably indicates the item does not discriminate very well.

• A)flat; steep
• B)symmetrical; asymmetrical
• C)steep; flat
• D)asymmetrical; symmetrical

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Definitions:

Evaluate

To calculate the value of an expression or determine the outcome of an equation based on given values or conditions.

Mixed Number

A number consisting of an integer and a proper fraction.

Decimal Equivalent

A representation of fractions or percentages as decimals.

Percent Equivalent

The representation of a value as a fraction of 100 to indicate its proportion of the whole.