Research on reading and math skills a. has only been conducted in the United States and Canada. b. has shown that girls are more likely to be diagnosed with dyslexia than are boys. c. has shown that...

Research on reading and math skills

a. has only been conducted in the United States and Canada.

b. has shown that girls are more likely to be diagnosed with dyslexia than are boys.

c. has shown that the whole-language approach is more effective than the phonics approach for children who are first learning to read.

d. has found that even some nonhuman animals have a primitive awareness of numeracy.