Extroversion Variables

VariableData TypeExtroversion ElementsAllowable Codes
q4perintegerI often feel as if I'm bursting with energy.
1Strongly disagree
2Disagree
3Neutral
4Agree
5Strongly Agree
8Don't Know
9Refusal
NullMissing
q7perintegerI usually prefer to do things alone.
q9perintegerI laugh easily.
q11perintegerI like to have a lot of people around me.

extroversion Algorithm

All "Don't know" and "Refusals" are converted to missing = Null.
3 of 4 (q4per, q7per, q9per and q11per) must be answered.
The answer to q7per is inverted when calculating the score.

extroversion = sum(q4per + (6-q7per) + q9per + q11per)