Question

Research on the achievement effects of within-class ability groupings of elementary mathematics classes shows:
a) Results are inconclusive due to the infrequent employment of these methods
b) Students in ability-grouped classes learned at levels comparable to students in classes without ability grouping
c) Students in ability-grouped classes demonstrated lower achievement gains than did students in classes without ability grouping
d) Students in ability-grouped classes demonstrated greater achievement gains than did students in classes that did not use grouping

Answer

This answer is hidden. It contains 189 characters.