Three leading experts on teacher evaluation agree that multiple data sources improve evaluation accuracy. A testing program for preservice and inservice teachers is cited. Semiannual testing (norm-referenced and criterion-referenced) of students is also cited as a way to evaluate teachers' effectiveness. (MLF)

Utilizing teachers to observe and evaluate other teachers provides an opportunity for peers to exchange ideas and learn the components of competent teaching. A peer assessment program requires delineation of indicators to be evaluated, a procedure for lateral and vertical communication, and a procedure for selecting observers. (MLF)