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2026-02-22 17:59:23 +01:00
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Data/stats/overall_trajectory.csv Normal file
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Phase,Mean_Score,SEM_Score,Mean_Confidence,SEM_Confidence
Pre-Reading,54.817,2.785,2.405,0.160
Post-Reading,74.320,2.451,4.311,0.192
Pre-Tutoring,72.098,3.048,4.142,0.207
Post-Tutoring,82.711,2.126,5.339,0.191
1 Phase Mean_Score SEM_Score Mean_Confidence SEM_Confidence
2 Pre-Reading 54.817 2.785 2.405 0.160
3 Post-Reading 74.320 2.451 4.311 0.192
4 Pre-Tutoring 72.098 3.048 4.142 0.207
5 Post-Tutoring 82.711 2.126 5.339 0.191

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Data/stats/participant_summary.csv Normal file
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Participant,N_Tests,Avg_Score_Mean,Avg_Conf_Mean,Pre_Reading,Post_Reading,Pre_Tutoring,Post_Tutoring,Reading_Gain,Tutoring_Gain
P1,12,74.992,4.383,53.333,84.433,77.767,84.433,31.100,6.667
P2,12,63.333,3.217,62.200,68.900,62.233,60.000,6.700,-2.233
P3,12,64.442,3.828,53.333,73.333,39.967,91.133,20.000,51.167
P4,12,81.650,5.487,51.100,88.867,91.100,95.533,37.767,4.433
P5,12,62.775,3.244,48.867,66.667,66.700,68.867,17.800,2.167
P6,12,86.667,5.348,68.900,88.900,91.100,97.767,20.000,6.667
P7,12,67.775,3.028,62.233,64.433,73.333,71.100,2.200,-2.233
P8,12,62.233,4.482,44.433,64.467,55.567,84.467,20.033,28.900
P9,12,51.117,1.505,20.000,57.767,55.567,71.133,37.767,15.567
P10,12,69.442,4.078,55.567,73.333,59.967,88.900,17.767,28.933
P11,12,79.442,3.978,57.767,86.667,82.233,91.100,28.900,8.867
P12,12,62.775,4.689,44.433,68.900,68.900,68.867,24.467,-0.033
P13,12,86.117,5.472,77.800,75.567,95.567,95.533,-2.233,-0.033
P14,12,86.667,3.916,71.133,91.100,93.333,91.100,19.967,-2.233
P15,12,62.217,4.723,46.667,64.433,62.200,75.567,17.767,13.367
P16,12,69.458,4.067,60.033,62.233,68.900,86.667,2.200,17.767
P17,12,65.000,3.573,57.767,66.667,62.233,73.333,8.900,11.100
P18,12,81.658,3.862,51.133,91.100,91.100,93.300,39.967,2.200
1 Participant N_Tests Avg_Score_Mean Avg_Conf_Mean Pre_Reading Post_Reading Pre_Tutoring Post_Tutoring Reading_Gain Tutoring_Gain
2 P1 12 74.992 4.383 53.333 84.433 77.767 84.433 31.100 6.667
3 P2 12 63.333 3.217 62.200 68.900 62.233 60.000 6.700 -2.233
4 P3 12 64.442 3.828 53.333 73.333 39.967 91.133 20.000 51.167
5 P4 12 81.650 5.487 51.100 88.867 91.100 95.533 37.767 4.433
6 P5 12 62.775 3.244 48.867 66.667 66.700 68.867 17.800 2.167
7 P6 12 86.667 5.348 68.900 88.900 91.100 97.767 20.000 6.667
8 P7 12 67.775 3.028 62.233 64.433 73.333 71.100 2.200 -2.233
9 P8 12 62.233 4.482 44.433 64.467 55.567 84.467 20.033 28.900
10 P9 12 51.117 1.505 20.000 57.767 55.567 71.133 37.767 15.567
11 P10 12 69.442 4.078 55.567 73.333 59.967 88.900 17.767 28.933
12 P11 12 79.442 3.978 57.767 86.667 82.233 91.100 28.900 8.867
13 P12 12 62.775 4.689 44.433 68.900 68.900 68.867 24.467 -0.033
14 P13 12 86.117 5.472 77.800 75.567 95.567 95.533 -2.233 -0.033
15 P14 12 86.667 3.916 71.133 91.100 93.333 91.100 19.967 -2.233
16 P15 12 62.217 4.723 46.667 64.433 62.200 75.567 17.767 13.367
17 P16 12 69.458 4.067 60.033 62.233 68.900 86.667 2.200 17.767
18 P17 12 65.000 3.573 57.767 66.667 62.233 73.333 8.900 11.100
19 P18 12 81.658 3.862 51.133 91.100 91.100 93.300 39.967 2.200

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Data/stats/questionnaire_additional_by_medium.csv Normal file
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Measure,Medium,N,Mean,SD,SEM
IOS,Chat,16,1.875,0.806,0.202
IOS,Video,18,1.889,1.367,0.322
IOS,VR,18,2.000,1.495,0.352
Self_Use,Chat,16,5.062,1.806,0.452
Self_Use,Video,18,4.278,2.296,0.541
Self_Use,VR,18,4.556,2.093,0.493
Felt_Helpful,Chat,16,5.312,1.580,0.395
Felt_Helpful,Video,18,4.944,2.071,0.488
Felt_Helpful,VR,18,5.556,1.688,0.398
1 Measure Medium N Mean SD SEM
2 IOS Chat 16 1.875 0.806 0.202
3 IOS Video 18 1.889 1.367 0.322
4 IOS VR 18 2.000 1.495 0.352
5 Self_Use Chat 16 5.062 1.806 0.452
6 Self_Use Video 18 4.278 2.296 0.541
7 Self_Use VR 18 4.556 2.093 0.493
8 Felt_Helpful Chat 16 5.312 1.580 0.395
9 Felt_Helpful Video 18 4.944 2.071 0.488
10 Felt_Helpful VR 18 5.556 1.688 0.398

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Data/stats/questionnaire_correlations.csv Normal file
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Var1,Var2,r,p,sig
IMI_Interest,IMI_Interest,1.0000,1.0000,
IMI_Interest,IMI_Value,0.8793,0.0000,**
IMI_Interest,IMI_Choice,0.5764,0.0123,*
IMI_Interest,SUS,0.5791,0.0118,*
IMI_Interest,UEQ_S,0.8277,0.0000,**
IMI_Interest,NASA_TLX,-0.4782,0.0447,*
IMI_Interest,IOS,0.3023,0.2227,
IMI_Interest,Godspeed,0.8067,0.0001,**
IMI_Interest,Score_Gain,0.1288,0.6104,
IMI_Value,IMI_Interest,0.8793,0.0000,**
IMI_Value,IMI_Value,1.0000,1.0000,
IMI_Value,IMI_Choice,0.6352,0.0046,**
IMI_Value,SUS,0.4686,0.0498,*
IMI_Value,UEQ_S,0.6904,0.0015,**
IMI_Value,NASA_TLX,-0.3566,0.1464,
IMI_Value,IOS,0.3443,0.1618,
IMI_Value,Godspeed,0.7485,0.0004,**
IMI_Value,Score_Gain,0.0213,0.9331,
IMI_Choice,IMI_Interest,0.5764,0.0123,*
IMI_Choice,IMI_Value,0.6352,0.0046,**
IMI_Choice,IMI_Choice,1.0000,1.0000,
IMI_Choice,SUS,0.6862,0.0017,**
IMI_Choice,UEQ_S,0.7173,0.0008,**
IMI_Choice,NASA_TLX,-0.2406,0.3363,
IMI_Choice,IOS,0.2770,0.2657,
IMI_Choice,Godspeed,0.5265,0.0248,*
IMI_Choice,Score_Gain,-0.0821,0.7462,
SUS,IMI_Interest,0.5791,0.0118,*
SUS,IMI_Value,0.4686,0.0498,*
SUS,IMI_Choice,0.6862,0.0017,**
SUS,SUS,1.0000,1.0000,
SUS,UEQ_S,0.6017,0.0083,**
SUS,NASA_TLX,-0.4850,0.0414,*
SUS,IOS,0.1665,0.5091,
SUS,Godspeed,0.5062,0.0321,*
SUS,Score_Gain,0.3959,0.1039,
UEQ_S,IMI_Interest,0.8277,0.0000,**
UEQ_S,IMI_Value,0.6904,0.0015,**
UEQ_S,IMI_Choice,0.7173,0.0008,**
UEQ_S,SUS,0.6017,0.0083,**
UEQ_S,UEQ_S,1.0000,1.0000,
UEQ_S,NASA_TLX,-0.3644,0.1371,
UEQ_S,IOS,0.1953,0.4373,
UEQ_S,Godspeed,0.7196,0.0008,**
UEQ_S,Score_Gain,0.1030,0.6841,
NASA_TLX,IMI_Interest,-0.4782,0.0447,*
NASA_TLX,IMI_Value,-0.3566,0.1464,
NASA_TLX,IMI_Choice,-0.2406,0.3363,
NASA_TLX,SUS,-0.4850,0.0414,*
NASA_TLX,UEQ_S,-0.3644,0.1371,
NASA_TLX,NASA_TLX,1.0000,1.0000,
NASA_TLX,IOS,-0.4584,0.0557,
NASA_TLX,Godspeed,-0.3346,0.1747,
NASA_TLX,Score_Gain,-0.1354,0.5923,
IOS,IMI_Interest,0.3023,0.2227,
IOS,IMI_Value,0.3443,0.1618,
IOS,IMI_Choice,0.2770,0.2657,
IOS,SUS,0.1665,0.5091,
IOS,UEQ_S,0.1953,0.4373,
IOS,NASA_TLX,-0.4584,0.0557,
IOS,IOS,1.0000,1.0000,
IOS,Godspeed,0.3801,0.1197,
IOS,Score_Gain,-0.2371,0.3434,
Godspeed,IMI_Interest,0.8067,0.0001,**
Godspeed,IMI_Value,0.7485,0.0004,**
Godspeed,IMI_Choice,0.5265,0.0248,*
Godspeed,SUS,0.5062,0.0321,*
Godspeed,UEQ_S,0.7196,0.0008,**
Godspeed,NASA_TLX,-0.3346,0.1747,
Godspeed,IOS,0.3801,0.1197,
Godspeed,Godspeed,1.0000,1.0000,
Godspeed,Score_Gain,-0.0916,0.7177,
Score_Gain,IMI_Interest,0.1288,0.6104,
Score_Gain,IMI_Value,0.0213,0.9331,
Score_Gain,IMI_Choice,-0.0821,0.7462,
Score_Gain,SUS,0.3959,0.1039,
Score_Gain,UEQ_S,0.1030,0.6841,
Score_Gain,NASA_TLX,-0.1354,0.5923,
Score_Gain,IOS,-0.2371,0.3434,
Score_Gain,Godspeed,-0.0916,0.7177,
Score_Gain,Score_Gain,1.0000,1.0000,
1 Var1 Var2 r p sig
2 IMI_Interest IMI_Interest 1.0000 1.0000
3 IMI_Interest IMI_Value 0.8793 0.0000 **
4 IMI_Interest IMI_Choice 0.5764 0.0123 *
5 IMI_Interest SUS 0.5791 0.0118 *
6 IMI_Interest UEQ_S 0.8277 0.0000 **
7 IMI_Interest NASA_TLX -0.4782 0.0447 *
8 IMI_Interest IOS 0.3023 0.2227
9 IMI_Interest Godspeed 0.8067 0.0001 **
10 IMI_Interest Score_Gain 0.1288 0.6104
11 IMI_Value IMI_Interest 0.8793 0.0000 **
12 IMI_Value IMI_Value 1.0000 1.0000
13 IMI_Value IMI_Choice 0.6352 0.0046 **
14 IMI_Value SUS 0.4686 0.0498 *
15 IMI_Value UEQ_S 0.6904 0.0015 **
16 IMI_Value NASA_TLX -0.3566 0.1464
17 IMI_Value IOS 0.3443 0.1618
18 IMI_Value Godspeed 0.7485 0.0004 **
19 IMI_Value Score_Gain 0.0213 0.9331
20 IMI_Choice IMI_Interest 0.5764 0.0123 *
21 IMI_Choice IMI_Value 0.6352 0.0046 **
22 IMI_Choice IMI_Choice 1.0000 1.0000
23 IMI_Choice SUS 0.6862 0.0017 **
24 IMI_Choice UEQ_S 0.7173 0.0008 **
25 IMI_Choice NASA_TLX -0.2406 0.3363
26 IMI_Choice IOS 0.2770 0.2657
27 IMI_Choice Godspeed 0.5265 0.0248 *
28 IMI_Choice Score_Gain -0.0821 0.7462
29 SUS IMI_Interest 0.5791 0.0118 *
30 SUS IMI_Value 0.4686 0.0498 *
31 SUS IMI_Choice 0.6862 0.0017 **
32 SUS SUS 1.0000 1.0000
33 SUS UEQ_S 0.6017 0.0083 **
34 SUS NASA_TLX -0.4850 0.0414 *
35 SUS IOS 0.1665 0.5091
36 SUS Godspeed 0.5062 0.0321 *
37 SUS Score_Gain 0.3959 0.1039
38 UEQ_S IMI_Interest 0.8277 0.0000 **
39 UEQ_S IMI_Value 0.6904 0.0015 **
40 UEQ_S IMI_Choice 0.7173 0.0008 **
41 UEQ_S SUS 0.6017 0.0083 **
42 UEQ_S UEQ_S 1.0000 1.0000
43 UEQ_S NASA_TLX -0.3644 0.1371
44 UEQ_S IOS 0.1953 0.4373
45 UEQ_S Godspeed 0.7196 0.0008 **
46 UEQ_S Score_Gain 0.1030 0.6841
47 NASA_TLX IMI_Interest -0.4782 0.0447 *
48 NASA_TLX IMI_Value -0.3566 0.1464
49 NASA_TLX IMI_Choice -0.2406 0.3363
50 NASA_TLX SUS -0.4850 0.0414 *
51 NASA_TLX UEQ_S -0.3644 0.1371
52 NASA_TLX NASA_TLX 1.0000 1.0000
53 NASA_TLX IOS -0.4584 0.0557
54 NASA_TLX Godspeed -0.3346 0.1747
55 NASA_TLX Score_Gain -0.1354 0.5923
56 IOS IMI_Interest 0.3023 0.2227
57 IOS IMI_Value 0.3443 0.1618
58 IOS IMI_Choice 0.2770 0.2657
59 IOS SUS 0.1665 0.5091
60 IOS UEQ_S 0.1953 0.4373
61 IOS NASA_TLX -0.4584 0.0557
62 IOS IOS 1.0000 1.0000
63 IOS Godspeed 0.3801 0.1197
64 IOS Score_Gain -0.2371 0.3434
65 Godspeed IMI_Interest 0.8067 0.0001 **
66 Godspeed IMI_Value 0.7485 0.0004 **
67 Godspeed IMI_Choice 0.5265 0.0248 *
68 Godspeed SUS 0.5062 0.0321 *
69 Godspeed UEQ_S 0.7196 0.0008 **
70 Godspeed NASA_TLX -0.3346 0.1747
71 Godspeed IOS 0.3801 0.1197
72 Godspeed Godspeed 1.0000 1.0000
73 Godspeed Score_Gain -0.0916 0.7177
74 Score_Gain IMI_Interest 0.1288 0.6104
75 Score_Gain IMI_Value 0.0213 0.9331
76 Score_Gain IMI_Choice -0.0821 0.7462
77 Score_Gain SUS 0.3959 0.1039
78 Score_Gain UEQ_S 0.1030 0.6841
79 Score_Gain NASA_TLX -0.1354 0.5923
80 Score_Gain IOS -0.2371 0.3434
81 Score_Gain Godspeed -0.0916 0.7177
82 Score_Gain Score_Gain 1.0000 1.0000

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Data/stats/questionnaire_godspeed_by_medium.csv Normal file
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Subscale,Medium,N,Mean,SD,SEM
Anthropo- morphism,Chat,16,2.550,0.764,0.191
Anthropo- morphism,Video,18,2.411,1.064,0.251
Anthropo- morphism,VR,18,2.389,0.756,0.178
Animacy,Chat,16,2.990,0.759,0.190
Animacy,Video,18,2.750,0.901,0.212
Animacy,VR,18,2.880,0.796,0.188
Like- ability,Chat,16,4.025,0.779,0.195
Like- ability,Video,18,3.578,0.940,0.222
Like- ability,VR,18,3.722,0.800,0.189
Perceived Intelligence,Chat,16,3.700,0.823,0.206
Perceived Intelligence,Video,18,3.789,0.759,0.179
Perceived Intelligence,VR,18,3.956,0.674,0.159
Perceived Safety,Chat,16,2.729,0.370,0.092
Perceived Safety,Video,18,2.815,0.551,0.130
Perceived Safety,VR,18,2.667,0.396,0.093
Overall,Chat,16,3.229,0.545,0.136
Overall,Video,18,3.076,0.697,0.164
Overall,VR,18,3.150,0.503,0.119
1 Subscale Medium N Mean SD SEM
2 Anthropo- morphism Chat 16 2.550 0.764 0.191
3 Anthropo- morphism Video 18 2.411 1.064 0.251
4 Anthropo- morphism VR 18 2.389 0.756 0.178
5 Animacy Chat 16 2.990 0.759 0.190
6 Animacy Video 18 2.750 0.901 0.212
7 Animacy VR 18 2.880 0.796 0.188
8 Like- ability Chat 16 4.025 0.779 0.195
9 Like- ability Video 18 3.578 0.940 0.222
10 Like- ability VR 18 3.722 0.800 0.189
11 Perceived Intelligence Chat 16 3.700 0.823 0.206
12 Perceived Intelligence Video 18 3.789 0.759 0.179
13 Perceived Intelligence VR 18 3.956 0.674 0.159
14 Perceived Safety Chat 16 2.729 0.370 0.092
15 Perceived Safety Video 18 2.815 0.551 0.130
16 Perceived Safety VR 18 2.667 0.396 0.093
17 Overall Chat 16 3.229 0.545 0.136
18 Overall Video 18 3.076 0.697 0.164
19 Overall VR 18 3.150 0.503 0.119

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Data/stats/questionnaire_imi_by_medium.csv Normal file
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Subscale,Phase,Medium,N,Mean,SD,SEM
Interest/ Enjoyment,Tutoring,Chat,16,4.484,1.395,0.349
Interest/ Enjoyment,Tutoring,Video,18,3.861,1.597,0.376
Interest/ Enjoyment,Tutoring,VR,18,4.243,1.375,0.324
Interest/ Enjoyment,Reading,Chat,20,3.556,1.463,0.327
Interest/ Enjoyment,Reading,Video,16,3.672,1.353,0.338
Interest/ Enjoyment,Reading,VR,18,3.799,1.592,0.375
Value/ Usefulness,Tutoring,Chat,16,4.896,1.679,0.420
Value/ Usefulness,Tutoring,Video,18,4.475,1.492,0.352
Value/ Usefulness,Tutoring,VR,18,4.698,1.427,0.336
Value/ Usefulness,Reading,Chat,20,4.461,1.303,0.291
Value/ Usefulness,Reading,Video,16,4.528,1.332,0.333
Value/ Usefulness,Reading,VR,18,4.586,1.600,0.377
Perceived Choice,Tutoring,Chat,16,5.641,1.197,0.299
Perceived Choice,Tutoring,Video,18,5.312,1.306,0.308
Perceived Choice,Tutoring,VR,18,5.604,1.140,0.269
Perceived Choice,Reading,Chat,20,4.825,1.544,0.345
Perceived Choice,Reading,Video,16,5.203,1.508,0.377
Perceived Choice,Reading,VR,18,5.306,1.273,0.300
1 Subscale Phase Medium N Mean SD SEM
2 Interest/ Enjoyment Tutoring Chat 16 4.484 1.395 0.349
3 Interest/ Enjoyment Tutoring Video 18 3.861 1.597 0.376
4 Interest/ Enjoyment Tutoring VR 18 4.243 1.375 0.324
5 Interest/ Enjoyment Reading Chat 20 3.556 1.463 0.327
6 Interest/ Enjoyment Reading Video 16 3.672 1.353 0.338
7 Interest/ Enjoyment Reading VR 18 3.799 1.592 0.375
8 Value/ Usefulness Tutoring Chat 16 4.896 1.679 0.420
9 Value/ Usefulness Tutoring Video 18 4.475 1.492 0.352
10 Value/ Usefulness Tutoring VR 18 4.698 1.427 0.336
11 Value/ Usefulness Reading Chat 20 4.461 1.303 0.291
12 Value/ Usefulness Reading Video 16 4.528 1.332 0.333
13 Value/ Usefulness Reading VR 18 4.586 1.600 0.377
14 Perceived Choice Tutoring Chat 16 5.641 1.197 0.299
15 Perceived Choice Tutoring Video 18 5.312 1.306 0.308
16 Perceived Choice Tutoring VR 18 5.604 1.140 0.269
17 Perceived Choice Reading Chat 20 4.825 1.544 0.345
18 Perceived Choice Reading Video 16 5.203 1.508 0.377
19 Perceived Choice Reading VR 18 5.306 1.273 0.300

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Data/stats/questionnaire_nasatlx_by_medium.csv Normal file
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Subscale,Phase,Medium,N,Mean,SD,SEM
Mental Demand,Reading,Chat,20,4.800,1.240,0.277
Physical Demand,Reading,Chat,20,1.700,0.865,0.193
Temporal Demand,Reading,Chat,20,4.150,1.599,0.357
Performance,Reading,Chat,20,4.100,1.483,0.332
Effort,Reading,Chat,20,4.700,1.261,0.282
Frustration,Reading,Chat,20,3.750,1.618,0.362
Overall,Reading,Chat,20,3.867,0.702,0.157
Mental Demand,Reading,Video,16,4.750,1.342,0.335
Physical Demand,Reading,Video,16,1.875,1.500,0.375
Temporal Demand,Reading,Video,16,3.688,1.448,0.362
Performance,Reading,Video,16,4.125,1.310,0.328
Effort,Reading,Video,16,4.250,1.483,0.371
Frustration,Reading,Video,16,3.312,1.621,0.405
Overall,Reading,Video,16,3.667,0.839,0.210
Mental Demand,Reading,VR,18,4.278,1.565,0.369
Physical Demand,Reading,VR,18,1.556,0.705,0.166
Temporal Demand,Reading,VR,18,3.944,1.697,0.400
Performance,Reading,VR,18,4.667,0.970,0.229
Effort,Reading,VR,18,4.278,1.447,0.341
Frustration,Reading,VR,18,3.222,1.592,0.375
Overall,Reading,VR,18,3.657,0.942,0.222
Mental Demand,Tutoring,Chat,16,4.000,1.414,0.354
Physical Demand,Tutoring,Chat,16,1.938,1.340,0.335
Temporal Demand,Tutoring,Chat,16,3.375,1.708,0.427
Performance,Tutoring,Chat,16,4.062,1.914,0.478
Effort,Tutoring,Chat,16,3.750,1.238,0.310
Frustration,Tutoring,Chat,16,3.062,1.806,0.452
Overall,Tutoring,Chat,16,3.365,0.824,0.206
Mental Demand,Tutoring,Video,18,4.722,1.526,0.360
Physical Demand,Tutoring,Video,18,1.556,0.984,0.232
Temporal Demand,Tutoring,Video,18,2.944,1.830,0.431
Performance,Tutoring,Video,18,4.000,1.680,0.396
Effort,Tutoring,Video,18,4.167,1.917,0.452
Frustration,Tutoring,Video,18,3.500,1.886,0.445
Overall,Tutoring,Video,18,3.481,0.773,0.182
Mental Demand,Tutoring,VR,18,4.000,1.534,0.362
Physical Demand,Tutoring,VR,18,2.222,1.396,0.329
Temporal Demand,Tutoring,VR,18,2.722,1.487,0.351
Performance,Tutoring,VR,18,4.389,1.614,0.380
Effort,Tutoring,VR,18,4.056,1.110,0.262
Frustration,Tutoring,VR,18,3.000,1.940,0.457
Overall,Tutoring,VR,18,3.398,0.990,0.233
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

19
Data/stats/questionnaire_pre_session_states.csv Normal file
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Item,Phase,Medium,N,Mean,SD,SEM
Stressed,Pre-Reading,Chat,20,2.800,1.240,0.277
Stressed,Pre-Reading,Video,18,2.111,1.023,0.241
Stressed,Pre-Reading,VR,17,2.765,1.348,0.327
Stressed,Pre-Tutoring,Chat,17,2.412,1.064,0.258
Stressed,Pre-Tutoring,Video,17,2.353,1.412,0.342
Stressed,Pre-Tutoring,VR,18,2.611,1.092,0.257
Ready,Pre-Reading,Chat,20,5.050,1.432,0.320
Ready,Pre-Reading,Video,18,5.000,1.847,0.435
Ready,Pre-Reading,VR,17,5.294,1.448,0.351
Ready,Pre-Tutoring,Chat,17,5.706,1.160,0.281
Ready,Pre-Tutoring,Video,17,5.529,1.007,0.244
Ready,Pre-Tutoring,VR,18,5.556,1.097,0.258
Relaxed,Pre-Reading,Chat,20,4.750,1.410,0.315
Relaxed,Pre-Reading,Video,18,5.111,1.079,0.254
Relaxed,Pre-Reading,VR,17,4.824,1.468,0.356
Relaxed,Pre-Tutoring,Chat,17,4.471,1.663,0.403
Relaxed,Pre-Tutoring,Video,17,4.765,1.522,0.369
Relaxed,Pre-Tutoring,VR,18,4.722,1.526,0.360
1 Item Phase Medium N Mean SD SEM
2 Stressed Pre-Reading Chat 20 2.800 1.240 0.277
3 Stressed Pre-Reading Video 18 2.111 1.023 0.241
4 Stressed Pre-Reading VR 17 2.765 1.348 0.327
5 Stressed Pre-Tutoring Chat 17 2.412 1.064 0.258
6 Stressed Pre-Tutoring Video 17 2.353 1.412 0.342
7 Stressed Pre-Tutoring VR 18 2.611 1.092 0.257
8 Ready Pre-Reading Chat 20 5.050 1.432 0.320
9 Ready Pre-Reading Video 18 5.000 1.847 0.435
10 Ready Pre-Reading VR 17 5.294 1.448 0.351
11 Ready Pre-Tutoring Chat 17 5.706 1.160 0.281
12 Ready Pre-Tutoring Video 17 5.529 1.007 0.244
13 Ready Pre-Tutoring VR 18 5.556 1.097 0.258
14 Relaxed Pre-Reading Chat 20 4.750 1.410 0.315
15 Relaxed Pre-Reading Video 18 5.111 1.079 0.254
16 Relaxed Pre-Reading VR 17 4.824 1.468 0.356
17 Relaxed Pre-Tutoring Chat 17 4.471 1.663 0.403
18 Relaxed Pre-Tutoring Video 17 4.765 1.522 0.369
19 Relaxed Pre-Tutoring VR 18 4.722 1.526 0.360

19
Data/stats/questionnaire_social_presence_by_medium.csv Normal file
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Item,Medium,N,Mean,SD,SEM
Face-to-face,Chat,2,2.500,0.707,0.500
Face-to-face,Video,0,,,
Face-to-face,VR,15,3.267,1.335,0.345
Same room,Chat,2,2.000,1.414,1.000
Same room,Video,0,,,
Same room,VR,15,3.267,1.280,0.330
Being watched,Chat,2,2.500,2.121,1.500
Being watched,Video,0,,,
Being watched,VR,15,2.667,1.175,0.303
Aware of me,Chat,2,2.500,0.707,0.500
Aware of me,Video,0,,,
Aware of me,VR,15,2.800,1.265,0.327
Tutor present,Chat,2,1.000,0.000,0.000
Tutor present,Video,0,,,
Tutor present,VR,15,3.067,1.163,0.300
Overall,Chat,2,2.100,0.141,0.100
Overall,Video,0,,,
Overall,VR,15,3.013,0.890,0.230
1 Item Medium N Mean SD SEM
2 Face-to-face Chat 2 2.500 0.707 0.500
3 Face-to-face Video 0
4 Face-to-face VR 15 3.267 1.335 0.345
5 Same room Chat 2 2.000 1.414 1.000
6 Same room Video 0
7 Same room VR 15 3.267 1.280 0.330
8 Being watched Chat 2 2.500 2.121 1.500
9 Being watched Video 0
10 Being watched VR 15 2.667 1.175 0.303
11 Aware of me Chat 2 2.500 0.707 0.500
12 Aware of me Video 0
13 Aware of me VR 15 2.800 1.265 0.327
14 Tutor present Chat 2 1.000 0.000 0.000
15 Tutor present Video 0
16 Tutor present VR 15 3.067 1.163 0.300
17 Overall Chat 2 2.100 0.141 0.100
18 Overall Video 0
19 Overall VR 15 3.013 0.890 0.230

4
Data/stats/questionnaire_sus_by_medium.csv Normal file
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Medium,N,Mean,SD,SEM,Median,Min,Max
Chat,16,81.250,18.028,4.507,83.750,30.000,100.000
Video,18,76.806,15.620,3.682,80.000,40.000,100.000
VR,18,75.417,20.224,4.767,78.750,7.500,95.000
1 Medium N Mean SD SEM Median Min Max
2 Chat 16 81.250 18.028 4.507 83.750 30.000 100.000
3 Video 18 76.806 15.620 3.682 80.000 40.000 100.000
4 VR 18 75.417 20.224 4.767 78.750 7.500 95.000

19
Data/stats/questionnaire_ueqs_by_medium.csv Normal file
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Dimension,Phase,Medium,N,Mean,SD,SEM
Pragmatic,Reading,Chat,20,0.212,1.148,0.257
Pragmatic,Reading,Video,16,0.219,1.472,0.368
Pragmatic,Reading,VR,18,0.486,1.456,0.343
Pragmatic,Tutoring,Chat,16,1.297,1.608,0.402
Pragmatic,Tutoring,Video,18,0.722,1.303,0.307
Pragmatic,Tutoring,VR,18,0.972,1.345,0.317
Hedonic,Reading,Chat,20,-0.738,1.561,0.349
Hedonic,Reading,Video,16,-0.719,1.326,0.331
Hedonic,Reading,VR,18,-0.444,1.352,0.319
Hedonic,Tutoring,Chat,16,0.984,1.120,0.280
Hedonic,Tutoring,Video,18,0.694,1.202,0.283
Hedonic,Tutoring,VR,18,0.875,1.267,0.299
Overall,Reading,Chat,20,-0.263,1.231,0.275
Overall,Reading,Video,16,-0.250,1.125,0.281
Overall,Reading,VR,18,0.021,1.170,0.276
Overall,Tutoring,Chat,16,1.141,1.091,0.273
Overall,Tutoring,Video,18,0.708,1.129,0.266
Overall,Tutoring,VR,18,0.924,1.049,0.247
1 Dimension Phase Medium N Mean SD SEM
2 Pragmatic Reading Chat 20 0.212 1.148 0.257
3 Pragmatic Reading Video 16 0.219 1.472 0.368
4 Pragmatic Reading VR 18 0.486 1.456 0.343
5 Pragmatic Tutoring Chat 16 1.297 1.608 0.402
6 Pragmatic Tutoring Video 18 0.722 1.303 0.307
7 Pragmatic Tutoring VR 18 0.972 1.345 0.317
8 Hedonic Reading Chat 20 -0.738 1.561 0.349
9 Hedonic Reading Video 16 -0.719 1.326 0.331
10 Hedonic Reading VR 18 -0.444 1.352 0.319
11 Hedonic Tutoring Chat 16 0.984 1.120 0.280
12 Hedonic Tutoring Video 18 0.694 1.202 0.283
13 Hedonic Tutoring VR 18 0.875 1.267 0.299
14 Overall Reading Chat 20 -0.263 1.231 0.275
15 Overall Reading Video 16 -0.250 1.125 0.281
16 Overall Reading VR 18 0.021 1.170 0.276
17 Overall Tutoring Chat 16 1.141 1.091 0.273
18 Overall Tutoring Video 18 0.708 1.129 0.266
19 Overall Tutoring VR 18 0.924 1.049 0.247

2
Data/stats/start_to_finish.csv Normal file
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Metric,N,Gain_Mean,Gain_SD,t_stat,p_value
Pre-Reading to Post-Tutoring,54,27.894,19.865,10.319,0.000
1 Metric N Gain_Mean Gain_SD t_stat p_value
2 Pre-Reading to Post-Tutoring 54 27.894 19.865 10.319 0.000

4
Data/stats/tutoring_by_medium.csv Normal file
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Medium,N_pairs,Avg_Score_Mean,Avg_Score_SD,Avg_Conf_Mean,Avg_Conf_SD,Pre_Score_Mean,Post_Score_Mean,Score_Gain_Mean,Score_Gain_SD,Score_Cohens_d,Score_t,Score_p,Pre_Conf_Mean,Post_Conf_Mean,Conf_Gain_Mean,Conf_Gain_SD,Conf_Cohens_d,Conf_t,Conf_p
Chat,18,70.836,20.523,4.094,1.780,72.594,83.706,11.111,17.125,0.649,-2.753,0.014,4.086,5.486,1.400,1.165,1.202,-5.098,0.000
Video,18,68.517,22.189,3.995,1.802,71.483,78.506,7.022,19.494,0.360,-1.528,0.145,4.113,5.229,1.116,0.937,1.192,-5.056,0.000
VR,18,73.607,22.307,4.058,1.637,72.217,85.922,13.706,22.125,0.619,-2.628,0.018,4.226,5.300,1.074,0.984,1.091,-4.628,0.000
1 Medium N_pairs Avg_Score_Mean Avg_Score_SD Avg_Conf_Mean Avg_Conf_SD Pre_Score_Mean Post_Score_Mean Score_Gain_Mean Score_Gain_SD Score_Cohens_d Score_t Score_p Pre_Conf_Mean Post_Conf_Mean Conf_Gain_Mean Conf_Gain_SD Conf_Cohens_d Conf_t Conf_p
2 Chat 18 70.836 20.523 4.094 1.780 72.594 83.706 11.111 17.125 0.649 -2.753 0.014 4.086 5.486 1.400 1.165 1.202 -5.098 0.000
3 Video 18 68.517 22.189 3.995 1.802 71.483 78.506 7.022 19.494 0.360 -1.528 0.145 4.113 5.229 1.116 0.937 1.192 -5.056 0.000
4 VR 18 73.607 22.307 4.058 1.637 72.217 85.922 13.706 22.125 0.619 -2.628 0.018 4.226 5.300 1.074 0.984 1.091 -4.628 0.000

10
Data/stats/tutoring_by_medium_topic.csv Normal file
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Medium,Topic,N,Score_Gain_Mean,Score_Gain_SD,Score_Gain_SEM
Chat,DNA-Replikation,6,22.217,20.952,8.554
Chat,Mendel,6,14.467,11.500,4.695
Chat,Ökologie,6,-3.350,3.670,1.498
Video,DNA-Replikation,6,16.667,32.092,13.101
Video,Mendel,6,4.417,3.421,1.397
Video,Ökologie,6,-0.017,8.443,3.447
VR,DNA-Replikation,6,11.117,13.134,5.362
VR,Mendel,6,14.450,12.959,5.290
VR,Ökologie,6,15.550,36.210,14.783
1 Medium Topic N Score_Gain_Mean Score_Gain_SD Score_Gain_SEM
2 Chat DNA-Replikation 6 22.217 20.952 8.554
3 Chat Mendel 6 14.467 11.500 4.695
4 Chat Ökologie 6 -3.350 3.670 1.498
5 Video DNA-Replikation 6 16.667 32.092 13.101
6 Video Mendel 6 4.417 3.421 1.397
7 Video Ökologie 6 -0.017 8.443 3.447
8 VR DNA-Replikation 6 11.117 13.134 5.362
9 VR Mendel 6 14.450 12.959 5.290
10 VR Ökologie 6 15.550 36.210 14.783

4
Data/stats/tutoring_by_topic.csv Normal file
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Topic,N_pairs,Avg_Score_Mean,Avg_Score_SD,Avg_Conf_Mean,Avg_Conf_SD,Score_Gain_Mean,Score_Gain_SD,Score_Cohens_d,Score_t,Score_p
DNA-Replikation,18,60.092,24.325,3.397,1.753,16.667,22.461,0.742,-3.148,0.006
Mendel,18,71.757,18.401,4.152,1.749,11.111,10.745,1.034,-4.387,0.000
Ökologie,18,81.111,16.405,4.598,1.492,4.061,21.964,0.185,-0.784,0.444
1 Topic N_pairs Avg_Score_Mean Avg_Score_SD Avg_Conf_Mean Avg_Conf_SD Score_Gain_Mean Score_Gain_SD Score_Cohens_d Score_t Score_p
2 DNA-Replikation 18 60.092 24.325 3.397 1.753 16.667 22.461 0.742 -3.148 0.006
3 Mendel 18 71.757 18.401 4.152 1.749 11.111 10.745 1.034 -4.387 0.000
4 Ökologie 18 81.111 16.405 4.598 1.492 4.061 21.964 0.185 -0.784 0.444