Asia-Pacific Forum on Science Learning and Teaching, Volume 9, Issue 2, Article 8 (Dec., 2008) Özlem KORAY, Arzu PRESLEY, Mustafa Serdar KÖKSAL & Muhammet ÖZDEMİR Enhancing problem-solving skills of pre-service elementary school teachers through problem-based learning Previous Contents

Appendix

Table 1 Independent samples test results with respect to PSSI

Group	n	mean	sd	t	df	p
Experimental	41	121.68	9.19	4.27	83	0.00
Control	44	112.11	11.28	1.62	41	0.11

Table 2 Frequencies and percentages of responses related to group work

Concepts	f	%
Responsibility	25	100
Cooperation	23	92
Sharing	17	68
Discussion & brain storming	13	52
Information/opinion exchange	9	36
Communication & socialization	8	32

Table 3 Frequencies and percentages of responses related to problem-solving process

Concepts	f	%
Determination of the main and sub problems	6	24
Research from different types of sources	25	100
Production of various solutions	13	52
Determination of the best solution	4	16
Construction of the products	11	44
Solution of various problems	8	32

Table 4 Frequencies and percentages of opinions of the students about PBL

Opinions	Concepts	f	%
Positive	Effective	25	100
	Good	10	4
	Applicable	9	36
Negative	Tiring & difficult	21	84