Dykstra, P.A., M. Kalmijn, T.C.M. Knijn, A. E. Komter, A.C. Liefbroer and C.H. Mulder (2007),
Codebook of the Netherlands Kinship Panel Study, Wave 2

  Codebook and questionnaires (release 21 July 2005) (Codebook_Questionnaires_Wave_1.zip, 6.08MB)
 Codebook and questionnaires (release 1 October 2007) (Codebook_Questionnaires_Wave_2.zip, 6.32MB)
NKPS Wave 2
NKPS Wave 1
Dykstra, P.A., M. Kalmijn, T.C.M. Knijn, A. E. Komter, A.C. Liefbroer and C.H. Mulder (2005),
Codebook of the Netherlands Kinship Panel Study, Wave 1.
NKPS Wave 3
Merz, E.-M., P.A. Dykstra, M.J.A. Hogerbrugge, A. E. Komter, A.C. Liefbroer and C.H. Mulder (2012),
 Codebook and questionnaires (release 1 April 2012) (Codebook_Questionnaires_Wave_3.zip, 2.88MB)
NKPS Wave 4
Hogerbrugge, M.J.A., S. de Hoon, P.A. Dykstra, A.E. Komter, A.C. Liefbroer and C.H. Mulder (2015),
 Codebook and questionnaires (release 18 June 2015) (Codebook_Questionnaires_Wave_4.zip, 3.77MB)
NKPS Wave 1 to 3
Bruijn de S., M.J.A. Hogerbrugge, E.-M. Merz (2012),
 Cumulative codebook of the Netherlands Kinship Panel Study (Wave 1 to 3, 2002 - 2011; Version, 1 October 2012) (Cumulative_Codebook_V1.pdf, 1.61 MB)

NKPS Codebook and questionnaires

Codebooks and questionnaires can be downloaded from this page (registration not required).
To register as a data user please go to the NKPS Data Center and click on the "Register" link in the navigation frame.