Table 1.

Matrix of change objectives according to intervention mapping recommendations

	Determinants
Performance Objectives (PO)	Knowledge	Risk-perception	Outcome expectations	Social influence	Self-efficacy	Skills
PO1. Notice symptoms and compare these with symptoms of stroke	K1.1. Recall stroke symptoms K1.2. Recall mimicking symptoms K1.3. Recall risk factors	R1.1. Recognize younger people are at risk of stroke R1.2. Recognize healthy people are at risk of stroke	O1.1. Explain that symptoms recognition can save life O1.2. Explain that even weak symptoms have severe consequences O1.3. Recognize stroke as a severe disease with severe consequences		SE1.1. Express confidence in distinguishing stroke symptoms from mimicking symptoms
PO2. Communicate with victim/bystanders and apply stroke recognition methods	K2.1. Recall the FAST method		O2.1. Explain that acting assertively can save life	SI2.1. Recognize that can intervene even if significant others do not allow it/ it is not allowed by social status	SE2.1. Express confidence in applying the FAST method SE2.2. Express confidence in communicating that an ambulance call is needed	SK2.1. Demonstrate the skills to apply the FAST method SK2.2. Demonstrate the skills to explain to victim/bystanders that an ambulance call is needed
PO3. Call an ambulance and communicate with the operator	K3.1. Recall calling EMS as the only right reaction K3.2. recall what to say to the operator		O3.1. Explain that an immediate EMS call can save life	SI3.1. Recognize that calling EMS is the correct action even in the presence of social pressure from others	SE3.1. Express confidence in the need to call EMS SE3.2. Express confidence in describing symptoms	SK3.1. Demonstrate the skills to explain the situation to the EMS operator correctly