Menu
But Bishop Peter Libasci, Roman Catholic bishop of Manchester, New Hampshire, has also said that illegal immigrants can't live in Catholic churches, as one pastor has called for.
Despite the billions that have been spent on professional development for K-12 teachers in the United States, we actually know extremely little about the characteristics of effective professional development programs. The major reason lies in deficiencies in the research on professional development.
A major review in 2008 of the research on professional development for teachers of mathematics and of other subjects "uncovered no studies … of sufficient quality where the designs and measures permitted them to ask and answer questions about teachers' learning. Most studies used a simple pre- and post-test design with no comparison group or used self-report data on teachers' learning." Nor did studies on the topic "support any specific claims about the nature of professional development that affects teachers' effectiveness."