The phrase "effective participation" means being involved and actively taking part in a certain activity or process in a way that makes a positive impact or achieves desired outcomes. Full definition
Most importantly here is the recognition through the human rights treaty committees of rights to effective participation by Indigenous peoples in decision making that affects us. (humanrights.gov.au)
[8] This principle of effective participation requires that Indigenous groups are able to participate in decision making from a position of prior informed consent. (humanrights.gov.au)
Governments should seek to empower us through effective participation to be the agents of our own change. (humanrights.gov.au)