Study Nawijn (2011a): study NL 2007
- Public
 - Adults, general public, Netherlands, followed 2 years, 2007-2008
 - Sample
 - Probability sample (unspecified)
 - Respondents
 - N = 3650
 - Non Response
 - 36% drop-out at T2
 - Assessment
 - 
        Questionnaire: Paper & Pencil Interview (PAPI)                    
Participants completed a questionairre every 3 months 
Happiness measure(s)
- Full text:
 - 
            Self report on single question;
I am completely satisfied with the conditions of my life
1 strongly disagree
2
3
4
5 strongly agree - Classification:
 - O-SLC-u-sq-n-5-a
 - Author's label:
 - life satisfaction
 - Remarks:
 - 2007: M = 3.87, SD = 0.78, 2008: M =3.97, SD = .0.76
 - Page in publication:
 - 654
 - Observed distribution
 - Summary Statistics
 - On original range 1 - 5 On range 0-10
 - Mean:
 - 3.87 -
 - SD:
 - 0.78 -
 
- Full text:
 - 
            Self report on 4 questions:
..describe feelings .. (question not reported)
A happy-sad
B tense-relaxed
C satisfied-dissatisfied
D elated-depressed
Rated: 1-7, labels not reported
Computation; (A+B+C+D)/4 - Classification:
 - A-AB-?-mq-n-7-a
 - Author's label:
 - Affect balance
 - Remarks:
 - Affect balance consists of average sum of positive affect minus negative affect. Affects were scored on a 5-point scale.
Positive affect:
enthusiastic
free, loose, relaxed
cheerful
Negative affect:
depressed
tense
impatient
Mean score given for 2007
Mean score 2008: 3.51, SD = 3.13 - Page in publication:
 - 654
 - Observed distribution
 - Summary Statistics
 - On original range 1 - 7 On range 0-10
 - Mean:
 - 3.78 -
 - SD:
 - 3.05 -