Wide Range Achievement Test Wide Range Achievement Psychometric Properties 2

Question 1

Which type of reliability is most commonly reported for the WRAT-5 subtests and reflects consistency across different items measuring the same construct?

Accepted Answer

Internal consistency reliability

Answer

Internal consistency reliability (e.g., coefficient alpha) is most commonly reported for WRAT-5 subtests, reflecting how consistently items measure the same construct.

Question 2

When the WRAT-5 was normed, which statistical method was used to smooth the score distributions across age groups?

Accepted Answer

Continuous norming with regression-based smoothing

Answer

Continuous norming with regression-based smoothing was used during WRAT-5 standardization to produce stable norm tables across the age span.

Question 3

A WRAT-5 Word Reading standard score of 85 falls in which descriptive classification range?

Accepted Answer

Low Average

Answer

A standard score of 85 falls one standard deviation below the mean (100) and is typically classified as Low Average (80–89 range).

Question 4

Which WRAT-5 subtest shows the highest floor effects when used with individuals who have severe intellectual disabilities?

Accepted Answer

Math Computation

Answer

Math Computation tends to show higher floor effects with severely cognitively impaired individuals because even the easiest items require basic numeral recognition and operation understanding.

Question 5

The WRAT-5 standardization sample stratification was primarily based on which demographic variables?

Accepted Answer

Age, sex, race/ethnicity, and educational level

Answer

The WRAT-5 normative sample was stratified by age, sex, race/ethnicity, and educational level to match U.S. Census proportions.

Wide Range Achievement Test Practice Test

Wide Range Achievement Test Practice Test

Wide Range Achievement Test Wide Range Achievement Psychometric Properties 2