What matters more than whether or not she steps up ... is that you haven't stepped down. You are there for them where you belong.
Not sure I understand the nature of the experiment, as there is typically a control group, eh? Doesn't sound like there is any control in her. Or is your experiment in the nature of random chaos? With three kids on springbreak, that would make more sense.
Good luck with that. If they get too wild, think Nyquil Jello.
