Objective III: Test Development and Standardization

Question 1

Who was the standardization sample for the WAIS-IV?

Answer 1

2,200 individuals representing late-adolescent and adult population in the United States; Three subtests were standardized using 1,800 individuals ages 16-69 (Figure weights, cancellation and letter-number sequencing); 200 people for each age group breakdown (16-69) and 100 participants for each age group 70-90: except for five older age groups, each age group had equal men and women

Question 2

Demographic characteristics used to obtain a stratified sample were?

Answer 2

age, sex, ethnicity, educational level, and geographic region; For ages 16-19, parental education level was used

Question 3

Ethnic groups represented in the standardization

Answer 3

euro American, African American, Hispanic American, Asian American, and other

Question 4

Four geographic regions used for standardization

Answer 4

Northeast, South, Midwest, West

Question 5

Individuals were selected so that…?

Answer 5

the composition of each age group closely matched the composition of the US population in 2005 census in regards to ethnicity, geographic region, and education