Homer, age 6-3, takes two visual–perceptual–motor tests, the BVMGT-2 and the DTVMI. On the BVMGT-2, he earns a developmental age of 5-6, and on the DTVMI he earns a developmental age of 7-4. Give two...

Homer, age 6-3, takes two visual–perceptual–motor tests, the BVMGT-2 and the DTVMI. On the BVMGT-2, he earns a developmental age of 5-6, and on the DTVMI he earns a developmental age of 7-4. Give two different explanations for the discrepancy between the scores