Question

what do they mean cognitive development/ does that fall under the diveristy tab like Attention spans are partly due to differences in temperament or the implications tab which is Change some toys and materials

Answer 1

No.

When you don't understand a word, use a dictionary.

http://dictionary.reference.com/browse/cognitive

Answer 2

so would it fit under the implication tab> like Provide objects that can be easily catorgized

Answer 3

Yes, that would be appropriate for children's cognitive development.