Table 2.

Matrix of change objectives: an example for selected determinants of the sub-behaviour sports

Performance objective	Attitude	Subjective norm	Self-efficacy/Perceived behavioural control	Awareness	Perceived environment
Adolescents decide to increase sports participation (PO2A)	Adolescents feel sports is enjoyable	Adolescents comply with the norm to engage in sports on a regular base	Adolescents identify difficult situations which may prevent them from participating in sports	Adolescents monitor their current sports behaviour	Adolescents know where facilities to engage in the sports they want to are in their neighbourhood
	Adolescents see the health benefits of engaging in sports		Adolescents are confident that they can cope with barriers	Adolescents compare their sports behaviour with the fitness norm
				Adolescents compare their sports behaviour with peers