Effect of Therapy Ball Seating on Learning and Sitting Discomforts among Saudi Female Students

Table 3

Problem-based learning scale (PBL) scores of subjects seated on chair and ball.

	Participation		Comprehension		Cooperation		Knowledge
	Chair	Ball	Chair	Ball	Chair	Ball	Chair	Ball
Mean	3.2	3.8	2.9	3.6	3	3.7	2.9	3.6
SD	0.4	0.9	0.37	0.54	0	0.8	0.37	0.54
SE	0.06	0.15	0.05	0.08	0	0.12	0.05	0.08
𝑡-value	0.00		1.6		1.85		1.6
𝑃< 0.05 level of significance

SD: standard deviation; SE: standard error; 𝑡-value: 𝑡-test scores.