Criteria for evaluating port effectiveness: Levels of influence per actor Criteria for evaluating port effectiveness Levels of influence per actor Source: Adapted from: Brooks M.R. (2012). The AAPA Customer Service Initiative Report. Washington DC: AAPA. Share this:Click to share on LinkedIn (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Reddit (Opens in new window)