Student's Language Structure grade.
1 = VG
2 = G
3 = U

Student's gender
0 = Male
1 = Female

Is the student native monolingual?
1 = yes
2 = no

Did the student's parents speak the same language with the student?
1 = yes
2 = no
3 = partly

Did the student and their parents switch over between languages when they were talking to each other?
1 = yes
2 = no
3 = sometimes
4 = hardly ever

Does the student still speak the same language(s) with their parents?
1 = yes
2 = no
3 = partly
4 = yes, but code-switching

Has the student taken any official mother tongue classes in Sweden?
1 = yes
2 = no
3 = no because Swedish the only mother tongue
4 = not in Sweden but elsewhere

What is the student mother's level of education?
1 = primary
2 = secondary
3 = university
4 = none

What program is the student studying?
1 = F-3
2 = 4-6
3 = ÄLP
4 = English
5 = MEG and English

How many quizzes in Teaching English has the student passed?
0 = 0
1 = 1
2 = 2
3 = 3
4 = 4
5 = not taken any

Did the student pass the Quiz 1 in Teaching English?
1 = yes
2 = no
3 = absent
4 = has not taken the course

0 = Not Selected
1 = Selected

Date of Stroop Test
1 = 12-Apr-2018
2 = 23-Apr-2018
3 = 03-May-2018
4 = 08-May-2018
5 = 31-May-2018
6 = 15-Nov-2018
7 = 12-March-2019
8 = 23-September-2019
9 = 26-September-2019
10 = 25-September-2019
11 = 13-December-2019
12 = 18-December-2019
13 = 20-February-2020