Yielding to pressure, the monitoring body abandoned classroom observation and, later, all monitoring.

Now classroom observation has been pared to a minimum and inspectors spend their time pouring over the paperwork and the data.

But the results derived from the classroom observations and participant questionnaires provide enough background for a further study.

The lessons are revised based on feedback and on classroom observations.

These measures may include portfolios of student work, classroom observations, achievement measures, and intelligence scores.