Why Is It Important to Have Canadian Adaptations of Standardized

Why is it important to have Canadian adaptations of standardized cognitive tests such as the WISC-IV and the WIAT-II?

A) because comparisons between Canadian and American students will be possible.
B) because Canadian norms are likely to affect how Canadian students perform.
C) because we need information on how Canadian students are performing.
D) because Canadian testing companies are struggling financially