The following six criteria have been recommended by the OECD/DAC and adopted by KNPO as standard yardsticks for the evaluation of development interventions:
The extent to which a development intervention has achieved its objectives, taking their relative importance into account.
The totality of the effects of a development intervention, positive and negative, intended and unintended.
The extent to which a development intervention conforms to the needs and priorities of target groups and the policies of recipient countries and donors.
The continuation or longevity of benefits from a development intervention after the cessation of development assistance.
The extent to which the costs of a development intervention can be justified by
Given what we know about the potential environmental consequences of plastic, we must provide sufficient baseline data to make a satisfactory evaluation of environmental impact possible.