The Wechsler Preschool & Primary Scale of Intelligence - Fourth UK Edition (WPPSI-IV) is an innovative, reliable and valid measure of cognitive development for young children. Watch introductory video.  
WPPSI-IV Kit

Wechsler Preschool & Primary Scale of Intelligence - Fourth UK Edition

WPPSI-IV UK

The Wechsler Preschool & Primary Scale of Intelligence - Fourth UK Edition (WPPSI-IV) is an innovative, reliable and valid measure of cognitive development for young children. Watch introductory video.  
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