# Table 7 Variable definition

Variable Definition Scale
Culturally aggregated team Dummy variable that assigns the student to a distinct group 1 = experimental group; 0 = control group
Female Dummy variable that denotes the gender 1 = female; 0 = male
Age Age of participant From 18 to 65 years old
Area size Density of population in the center where lives the participant 1 = area under 1000 people; 2 = area 1000–5000 people; 3 = area 5000–10,000 people; 4 = area 10,000–30,000 people; 5 = area over 30,000 people(1).
Income size Income bracket of participant’s family 1 = 0.00–6500.00€; 2 = 6501.00–1200.00€; 3 = 10,201.00–13,900.00€; 4 = 13,901.00–17,600.00€; 5 = 17,601.00–21,300.00€; 6 = 21,301.00–25,000.00€; 7 = 25,001.00–28,700.00€; 8 = 28,701.00–32,400.00€; 9 = 32,401.00–36,100.00€; 10 = 36,101.00–40,000.00€; 11 = 40,001.00–43,500.00€; 12 = 43,501.00–47,200.00€; 13 = 47,201.00–50,900.00€; 14 = 50,901.00–54,600.00€; 15 = 54,601.00–58,300.00€; 16 = 58,301.00–62,000.00€; 17 = 62,001.00–65,700.00€; 18 = 65,700.00–69,400.00€; 19 = 69,401.00–73,100.00€; 20 = over 73,101.00€(2).
High school grade Final score of study cycle to access to university From 60 to 101, where 101 identifies 100 et laude, that is the adding encomium to 100.
Technic school School of technical type 1 = attending a technical school; 0 = otherwise
Grade point average Expected exam passed score from 1 to 31, where 31 identifies 30 et laude, that is the adding encomium to 30.
Play an instrument Frequency to play an instrument 1 = never, 2 = rarely, 3 = sometimes, 4 = often, 5 = regularly
Sporting Frequency to practice a team sport see Play an instrument
Political Frequency to make political activity see Play an instrument
Voluntary Frequency to offer assistance to others see Play an instrument
Conference Frequency to attend conference see Play an instrument
Museum Frequency to visit museum see Play an instrument
Book Frequency to read book see Play an instrument
News Frequency to read news see Play an instrument
Travel Frequency to travel in group see Play an instrument
Library Frequency to attend library see Play an instrument
Internet Frequency to surf on the net see Play an instrument
Videogames Frequency to play at videogames see Play an instrument
Grade team part Score of intermediate team test from 1 to 15. The threshold is of 8 grades.
Grade individual part Score of intermediate individual test see Grade Team Part
Grade intermediate Part A score of examination from 1 to 31, where 31 identifies 30 et laude, that is the adding encomium to 30. The threshold is of 18 grades.