Chapter 4: A Project from A to Z
------------------------------------------------------------------
Variables:

ID           Participant identifier
GROUP           C = Control (Traditional teaching methods)
                E = Experiment (Incorporated learning styles)
SESSION      Participants were randomly assigned to 1 of 4
                sessions within each GROUP.
PREF         Participants learning style preference:
                T = Tactile,  K = Kinesthetic
                A = Auditory, V = Visual
GENDER       Male/Female
SLEVEL       School level taught by participant:
                E = Elementary, H = High School T
PRE          Pretest score  (out of 100)
POST         Posttest score (out of 100)
SDS          Attitude score (out of  60)
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ch4.dat:

id  group session   pref gender slevel     pre    post     sds
01      C      S1      A      F      E       5      60      41
02      C      S2      A      F      E      20      80      56
03      C      S4      A      F      E      95      80      56
04      C      S1      N      M      E       5      36      36
05      C      S3      N      F      E      90      88      40
06      C      S1      T      F      H      85      84      50
07      C      S2      T      F      E      45      80      58
08      C      S2      T      F      H      65      80      56
09      C      S2      N      F      E      55      76      54
10      C      S3      T      F      E      85      84      59
11      C      S3      T      F      H      70      76      46
12      C      S1      T      M      E      65      76      51
13      C      S3      N      F      H      50      64      41 
14      C      S4      T      F      E      55      88      58
15      C      S4      A      F      E      75      84      44
16      C      S3      N      F      E      70      80      49
17      C      S3      N      F      E      75      84      56
18      C      S2      A      F      H      50      80      42
19      C      S1      A      M      E      60      76      56
20      C      S4      K      F      E      60      76      45
21      C      S4      N      F      E      55      88      49
22      C      S1      N      F      H      50      68      42
23      C      S2      T      F      E      15      76      47
24      C      S1      T      M      E      95      88      55
25      C      S2      A      M      H      15      44      39
26      C      S2      A      F      E      55      72      44
27      C      S3      N      F      H      45      80      50
28      C      S4      A      F      E      35      80      40
29      C      S1      N      F      E      85      72      42
30      C      S2      N      M      E      90      88      52
31      C      S1      V      F      H      25      64      51
32      C      S3      N      F      H      80      80      42
33      C      S4      N      M      E      45      64      43
34      C      S2      A      M      E      20      80      44
35      C      S4      N      F      E      85      96      58
36      C      S2      A      F      E      85      76      51
37      C      S3      T      F      H      45      88      52
38      C      S1      K      F      E      65      64      21
39      C      S4      N      F      E      50      80      50
40      C      S3      N      F      E      80      68      59
41      C      S1      A      M      E      65      76      34
42      C      S4      T      M      E      45      60      35
43      C      S3      N      F      H      70      84      32
44      E      S3      A      M      H      25     100      45
45      E      S1      N      M      E      95      92      57
46      E      S2      T      F      H      50      96      48
47      E      S2      N      F      E      90      92      60
48      E      S1      T      F      H      75      92      53
49      E      S3      N      F      H      40      84      56
50      E      S2      N      F      E      80      92      49
51      E      S3      K      F      E      75      96      60
52      E      S2      N      M      E      60      68      43
53      E      S1      T      F      E      40      84      21
54      E      S2      A      F      E      15      76      54
55      E      S4      T      F      E      75      80      55
56      E      S2      A      F      H      50      80      42
57      E      S3      T      F      E      95      80      57
58      E      S1      N      M      H      80      96      37
59      E      S1      N      F      E      20      64      54
60      E      S3      A      F      E      45      92      45
61      E      S1      V      F      E       5      96      44
62      E      S3      T      F      E     100      96      59
63      E      S1      A      F      E      70     100      46
64      E      S2      N      F      H      50      80      48
65      E      S3      T      F      E      60      88      37
66      E      S3      T      F      H      35      68      49
67      E      S2      V      F      H      25      88      52
68      E      S3      N      F      H      75      96      48
69      E      S4      K      F      E      70      64      60
70      E      S1      N      F      E      25      76      52
71      E      S3      N      F      E      80      96      51
72      E      S4      N      M      E      40      80      54
73      E      S1      V      F      E      20      92      38
74      E      S2      N      F      E      35      96      32
75      E      S2      T      F      E      40      92      52
76      E      S4      N      F      E      60      64      49
77      E      S3      A      F      H      70      72      56
78      E      S4      A      F      H      30      80      52
79      E      S1      A      F      H      40      96      52
80      E      S4      T      F      E     100      96      51
81      E      S1      T      F      E       5      64      29
82      E      S4      A      F      E      80      92      56
83      E      S4      V      F      E      60      84      43
84      E      S2      N      F      H      25      88      41
85      E      S4      V      F      E      35      80      52
86      E      S4      T      M      H      65      92      58
87      E      S2      V      M      H      50      88      57