Fostering Achievement of Low-, Average-, and High-Achievers Students in Biology through Structured Cooperative Learning (STAD Method)

Table 1

Details of the sample selected for the experimental and the control groups.

Category	Subcategory	Groups		Subtotal	Total
		Experimental ()	Control ()
Achiever	Low	9	9	18	63
	Average	16	16	32
	High	7	6	13