One Study Showed That When 6- to 13-Year-Olds Received Tokens

Multiple Choice

One study showed that when 6- to 13-year-olds received tokens they could exchange for money each time they gave a correct response on the WISC verbal scale, performance was improved only for

A) White children from middle income homes.
B) White and African American children from low income homes.
C) African American children from low income homes.
D) White children from low income homes.