An educational bias in problem solving could:. a. prevent an adult from seeing a solution evident to a child
b. produce language or mathematical solutions instead of form or spatial solutions
c. produce the appearance of racial, ethnic, or age differences in problem solving ability
d. all of the above

All of the  Above  ( D )

Explanation:

An educational bias in problem solving could provide all of the above listed options because an educational bias is said to be when a certain group of people in an educational setting is been treated negatively due to their : Gender, race, cultural beliefs, language or age.

Even though some of the educational bias might be unintentional they are bound to produce differences in educational solutions like having a mathematical solution instead of a spatial solution and also producing a racial or age difference problem in the solving ability of student faced with educational bias.