Obani, Sylvia a.

Environmental and pupil-related factors as correlates of elementary science performance in national achievement test fo r grade VI : bases for science instruction interventions / Sylvia A. Obani. - xvi, 165 leaves ; 28 cm.

Thesis (Ph.D.) -- University of Antique,2014. Bibliography : leaves 125-136.


School children--Rating.
National Achievement Test.
Science--Ability Testing.