Table 4.

Comparisons of the students’ responses in the survey domains according to their study level (n = 94)

Variable	Comparison	N (group 1)	Mean rank (group 1)	N (group 2)	Mean rank (group 2)	Mann-Whitney U test	Z	P-value*
Portfolio design	4th vs. 5th Year	32	42.2	37	28.77	361	-2.79	0.01
	4th vs. 6th Year	32	31.8	25	25.42	310.5	-1.45	0.15
	5th vs. 6th Year	37	28.43	25	36.04	349	-1.64	0.10
Feedback and reflection	4th vs. 5th Year	32	43.62	37	27.54	316	-3.33	0.00
	4th vs. 6th Year	32	34.41	25	22.08	227	-2.79	0.01
	5th vs. 6th Year	37	30.96	25	32.3	442.5	-0.29	0.77
Use of portfolio in assessment	4th vs. 5th Year	32	42.72	37	28.32	345	-3.0	0.00
	4th vs. 6th Year	32	34.34	25	22.16	229	-2.78	0.01
	5th vs. 6th Year	37	31.92	25	30.88	447	-0.23	0.82
Portfolio receptivity	4th vs. 5th Year	32	41.27	37	29.58	391	-2.45	0.01
	4th vs. 6th Year	32	31.58	25	25.7	317.5	-1.36	0.17
	5th vs. 6th Year	37	29.39	25	34.62	384.5	-1.15	0.25
Portfolio usefulness	4th vs. 5th Year	32	42.12	37	28.84	364	-2.82	0.01
	4th vs. 6th Year	32	32.19	25	24.92	298	-1.7	0.09
	5th vs. 6th Year	37	29.01	25	35.18	370.5	-1.36	0.18
Usefulness scale	4th vs. 5th Year	32	41.89	37	29.04	371.5	-2.67	0.01
	4th vs. 6th Year	32	33.34	25	23.44	261	-2.25	0.02
	5th vs. 6th Year	37	30.0	25	33.72	407	-0.803	0.42

*P-value is significant if < 0.05