Assessment Vocabulary

Score transformed to fit normal curve, often with mean of 100 and standard deviation of 15.

Item below which a student would correctly answer all items; the starting item / set of items.

Item at which student has made predetermined number of errors to stop testing.

The range within which we could expect a true value to lie based on repeated tests.

Tests with a specific way to administer, score the responses, and interpret the results.

Large number of children who represent all children in that age group.

Consistency of measurements; how consistently the instrument measures what it says it measures.

Test comparing the individual's performance to a certain goal or outcome standard.

Conversion of raw score to common scale for comparison (mean = 10, SD = 3)

Test comparing the individual's performance to that of same-age or same-grade peers.

Degree to which a test accurately assesses the construct(s) that it is being used to measure.

Indicates the percentage of people or scores that occur at or below a given score.

The confidence interval of a test or subtest will likely be SMALLER when...