Full American Lifeguard AssociationÂ® Profile. The American Lifeguard Association (ALA) has been offering training for over 25 years. It is a national educational association that has the full support of both the Swimming Pool and Spa Association and Global Lifeguards, a nonprofit 501(c)(3) organization.
Retroactively definition, operative with respect to past occurrences, as a statute; retrospective: a retroactive law. See more.
Examples of Retroactive Interference Theory. A helpful way to remember the term 'retroactive interference' is to think about how we use the term 'retro' when we think about flashing back to a past time. When we have the problem of retroactive interference, we have trouble remembering what we knew in the past.