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
Correct Answer:
Verified
Correct Answer:
Verified
Q1: Using decision theory, both expectancy tables and
Q2: One fundamental assumption of item response theory
Q3: If an instrument measures consistently but does
Q4: In the equation Y' = a +
Q5: Briefly explain the basis of item response
Q7: An example of gathering evidence based on
Q8: The standard error of estimate is an
Q9: Standard error of measurement is to standard
Q10: Validity evidence is to _ as item
Q11: Of the three historical types of validation