Wechsler's test provided scores on 11 subtests measuring different abilities, which were grouped to provide an overall and for the test taker.

Wechslers  test   provide  scores  on  eleven  subsets  measuring  different  abilities,which   are  grouped  to  provide  an  overall  verbal  scores  and  performance  score  for   test  taker. 
    the  wechsler    is  one test  in  suite  of  wechsler intelligence   scale. The  wechsler  intelligence    scale   for   children   is  designed  to  measure human  intelligence  as  reflected  in  both  verbal  and  non  verbal(performance)  abilities.  In  adult   and  older  adolescent  wechsler  test   measure  intelligence  performance  .

This type of galaxy is an approximately ellipsoidal shape and a smooth, nearly featureless image. they are the largest single star systems, in the universe and are built by the collisions of many smaller galaxies.