Poliny Ung; Boonrat Ngowtrakul; Ratchakorn Chotpradit; Nattapas Thavornwong; บุญรัตน์ โง้วตระกูล; รัชกร โชติประดิษฐ์; ณัฐภาส ถาวรวงษ์
(2016)
The purpose of this study was to develop spatial ability test for elementary school children, to verify the construct validity, and to derive norms of the test. The sample consisted of 438 upper-elementary ...