Validity of stage assessment in the adoption and maintenance of physical activity and fruit and vegetable consumption.
Lippke, Sonia, Ziegelmann, Jochen P., Schwarzer, Ralf, Velicer, Wayne F.Volume:
28
Year:
2009
Language:
english
Journal:
Health Psychology
DOI:
10.1037/a0012983
File:
PDF, 92 KB
english, 2009