Ithai and Jim examined these tactics constructing and using an elaborate database on 1822 top executives, measuring their ingratiation behavior (assessed through questionnaires) and various other variables.
Measuring impact means measuring change: it includes, but is not limited to, perception change, policy change, behavior change and, more broadly, social change.
Having now understood the house's behavior under stress, Kopp and his team will now set about recreate the experiment but this time measuring the load on the nails which lifted.