Effective Professional Development - Loucks-Horsley, Love, Stiles et al (2003)

According to Loucks-Horsley et al. (2003, p. 44), Effective Professional Development

1. Is driven by a well-defined image of effective classroom learning and teaching;
2. Provides opportunities for teachers to build their content and PCK and examine practice;
3. Is research-based and engages teachers as adult learners in the learning approaches they will use with their students; 
4. Provides opportunities for teachers to collaborate with colleagues and others to improve their practice;
5. Supports teachers to serve in leadership roles;
6. Links with other parts of the education system; and
7. Is designed based on student learning data and is continuously evaluated and improved.

Citation:

Loucks-Horsley, S., Love, N., Stiles, K.E., Mundy, S., & Hewson, P.E. (2003).  Designing professional development for teachers of science and mathematics (2nd ed.).  Thousand Oaks, CA: Corwin Press.