Virtual-Tutor-Eval/Data/stats/questionnaire_nasatlx_by_medium.csv

1	Subscale	Phase	Medium	N	Mean	SD	SEM
2	Mental Demand	Reading	Chat	20	4.800	1.240	0.277
3	Physical Demand	Reading	Chat	20	1.700	0.865	0.193
4	Temporal Demand	Reading	Chat	20	4.150	1.599	0.357
5	Performance	Reading	Chat	20	4.100	1.483	0.332
6	Effort	Reading	Chat	20	4.700	1.261	0.282
7	Frustration	Reading	Chat	20	3.750	1.618	0.362
8	Overall	Reading	Chat	20	3.867	0.702	0.157
9	Mental Demand	Reading	Video	16	4.750	1.342	0.335
10	Physical Demand	Reading	Video	16	1.875	1.500	0.375
11	Temporal Demand	Reading	Video	16	3.688	1.448	0.362
12	Performance	Reading	Video	16	4.125	1.310	0.328
13	Effort	Reading	Video	16	4.250	1.483	0.371
14	Frustration	Reading	Video	16	3.312	1.621	0.405
15	Overall	Reading	Video	16	3.667	0.839	0.210
16	Mental Demand	Reading	VR	18	4.278	1.565	0.369
17	Physical Demand	Reading	VR	18	1.556	0.705	0.166
18	Temporal Demand	Reading	VR	18	3.944	1.697	0.400
19	Performance	Reading	VR	18	4.667	0.970	0.229
20	Effort	Reading	VR	18	4.278	1.447	0.341
21	Frustration	Reading	VR	18	3.222	1.592	0.375
22	Overall	Reading	VR	18	3.657	0.942	0.222
23	Mental Demand	Tutoring	Chat	16	4.000	1.414	0.354
24	Physical Demand	Tutoring	Chat	16	1.938	1.340	0.335
25	Temporal Demand	Tutoring	Chat	16	3.375	1.708	0.427
26	Performance	Tutoring	Chat	16	4.062	1.914	0.478
27	Effort	Tutoring	Chat	16	3.750	1.238	0.310
28	Frustration	Tutoring	Chat	16	3.062	1.806	0.452
29	Overall	Tutoring	Chat	16	3.365	0.824	0.206
30	Mental Demand	Tutoring	Video	18	4.722	1.526	0.360
31	Physical Demand	Tutoring	Video	18	1.556	0.984	0.232
32	Temporal Demand	Tutoring	Video	18	2.944	1.830	0.431
33	Performance	Tutoring	Video	18	4.000	1.680	0.396
34	Effort	Tutoring	Video	18	4.167	1.917	0.452
35	Frustration	Tutoring	Video	18	3.500	1.886	0.445
36	Overall	Tutoring	Video	18	3.481	0.773	0.182
37	Mental Demand	Tutoring	VR	18	4.000	1.534	0.362
38	Physical Demand	Tutoring	VR	18	2.222	1.396	0.329
39	Temporal Demand	Tutoring	VR	18	2.722	1.487	0.351
40	Performance	Tutoring	VR	18	4.389	1.614	0.380
41	Effort	Tutoring	VR	18	4.056	1.110	0.262
42	Frustration	Tutoring	VR	18	3.000	1.940	0.457
43	Overall	Tutoring	VR	18	3.398	0.990	0.233