Armah, R.B; Cofie, P.O; Okpoti, C.A
(Published in International Journal of Research in Education and Science, 2018)
This study investigated the effect of van Hiele Phase-based Instruction (VHPI)
on Ghanaian Pre-service Teachers’ (PTs’) geometric thinking in terms of the van
Hiele Levels. A pre-test post-test quasi-experimental design ...