Study Graham & Nikolova (2013a): study ZZ Latin America 2010
- Public
 - 15+ aged general public , Latin American countries, 2010- 2012
 - Survey name
 - INT-GallupWorldPoll2012
 - Sample
 - Respondents
 - N = 100000
 - Non Response
 - Assessment
 - 
        Interview: face-to-face                    
The surveys are face-to-face in countries where telephone coverage is limited, and by telephone in those where it is universal (primarily the OECD countries). 
Correlate
- Authors's Label
 - Learned or Did Something Interesting Yesterday
 - Our Classification
 - 
            
 - 
                        
 - Remarks
 - Item in questionnaire on yesterday's affects
 - Operationalization
 - Selfreport on single question:
Did you learn or did anything interesting the previous day?
1: yes
0: no 
Observed Relation with Happiness
- Individual charecetics:
- Access to information and communication technology
- Age
- Age squared/100
- Female
- Married
- Married and female
- High School Education or Higher
- Household Income
- Employed Full Time
- Urban Area
- Child in Household
- Household Size
- Regional and Year Dummies