Wide Range Achievement Test Wide Range Achievement Standardization and Norming 2

Question 1

Which type of reliability measures consistency of WRAT scores across two administrations separated by time?

Accepted Answer

Test-retest reliability

Answer

Inter-rater reliability

Answer

Internal consistency reliability

Answer

Parallel forms reliability

Question 2

What statistical coefficient is most commonly used to report WRAT internal consistency reliability?

Accepted Answer

Coefficient alpha (Cronbach's alpha)

Answer

Pearson r

Answer

Cohen's kappa

Answer

Spearman rho

Question 3

Grade equivalent scores on the WRAT indicate the grade level at which the average student earns what?

Accepted Answer

The same raw score as the individual being tested

Answer

A perfect score on that subtest

Answer

A standard score of 100

Answer

A passing score of 70

Question 4

What is the purpose of calculating a confidence interval around a WRAT standard score?

Accepted Answer

To express the range within which the true score likely falls

Answer

To determine the test's copyright date

Answer

To convert standard scores to percentile ranks

Answer

To calculate the test's internal consistency

Question 5

The standard error of measurement (SEM) on the WRAT is used to calculate what?

Accepted Answer

Confidence intervals around observed scores

Answer

The mean of the normative sample

Answer

The grade equivalent score

Answer

The alternate forms correlation

Question 6

Age-based norms on the WRAT compare a test-taker's performance to what reference group?

Accepted Answer

Individuals of the same age in the normative sample

Answer

Students in the same school district

Answer

Individuals at the same grade level in the normative sample

Answer

A fixed criterion standard