Even if some workers stay the same and some improve their behavior, that would overall be an increase in productivity which seems to line up with what most comp

Even if some workers stay the same and some improve their behavior, that would overall be an increase in productivity which seems to line up with what most companies report after running these types of trials. Organizationally, you care more about total output than any one individual. If you have good managers you can trust them to address the individual variances if and when they see fit. 32 hours a week would be great but I'd even be thrilled to have the opportunity for 4x10 instead of 5x8.