Appendix 1

APPENDIX 1: Task Completion Time

	case 1	case 2	case 3	case 4	case 5	case 6
Subject 1	126	89	50	67	117	55
Subject 2	74	28	42	31	49	43
Subject 3	56	123	73	67	61	55
Subject 4	92	79	56	75	62	52
Subject 5	94	63	40	83	54	26
Subject 6	54	54	93	56	42	41
Subject 7	51	36	32	32	26	27
Subject 8	72	36	58	64	53	34
Subject 9	65	56	48	59	36	47
Subject 10	42	39	58	33	37	33
Subject 11	54	70	26	54	33	25
Subject 12	91	42	45	39	58	33
Subject 13	42	36	33	33	22	18