Implementation of Cooperative Learning in Science: A Developmental-cum-Experimental Study

Table 3

Difference between the scores of the first and the subsequent observations.

Days	Statistical technique
	Sample size	Summation of ranks (∑𝑅)	𝑈obt^∗
Day 1	40	149	44∗
Day 4	40	257
Day 1	40	122	𝟏𝟕^∗∗
Day 7	40	284
Day 1	40	109	𝟒^∗∗
Day 10	40	297

Note. ^∗𝑝<0.05, ^∗∗𝑝<0.01.