Study VanHoof & Raaijmakers (2002): study NL 1997
 Public:
 1221 aged, secondary schools, The Netherlands, 1997?
 Sample:
 Respondents:
 N = 294
 Non Response:
 not reported
 Assessment:
 Questionnaire: paper
Correlate
 Authors's Label
 Horizontal spatial integration (Horizontal integration)
 Our Classification


 Distribution
 1: N=79; 2: N=95; 3:N=95
 Related specification variables


 Operationalization
 Horizontal integration summerizes the extent to which each of the contextspecific identities is related to each of the other contextspecific identities. Measured bu calculation the mean of the absolute values of all possible correlations between contextspecific identities.
Assessed using selfreport on interrelatedness of contextspecific identities.
Observed Relation with Happiness
 exploration concerning school
 commitment concerning school