Response to "is English your native language?"
0 = Missing
1 = Yes
2 = No

0 = Missing
1 = Male
2 = Female
3 = Other

"What hand do you use to write with?"
0 = Missing
1 = Right
2 = Left
3 = Both

How the participant came to the test.
1 = From another page in this website
2 = From Google
3 = From Facebook
4 = From a page with url .edu
5 = Otehr source

1 = US
2 = AU
3 = CA
4 = GB
5 = IN
6 = PH
7 = Other

E1.I am the life of the party.
1 = Disagree
3 = Neutral
5 = Agree

E2.I don't talk a lot (Reversed)
1 = Agree
3 = Neutral
5 = Disagree

1 = Less than 21
2 = 21 to 29
3 = 30 to 39
4 = 40 or more