The Performance Expectations described in the Next Generation Science Standards (NGSS) pose significant challenges for assessment design. Multiple models of assessments, including paper-and-pencil and hands-on based performance assessments, can be utilized to assess student competency while applying scientific and engineering practices, in the…

Teacher performance evaluation plays a key role in educational personnel reform, so it has been an important yet difficult issue in educational reform. Previous evaluations on teachers failed to make strict distinction among the three dominant types of evaluation, namely, capability, achievement, and effectiveness. Moreover, teacher performance…