The Gold Standard PBL framework is introduced during PBL 101 with PBLWorks. It consists of 7 Design Elements and 7 Teaching Practices. It describes Project Based Learning from the teaching perspective. 

Teaching Practices Resources

The HQPBL framework is an open resource that was created through a collaborative effort. It describes Project Based Learning from the student perspective. There are 6 criteria for what learners should experience during PBL. (Note: the Gold Standard framework is aligned with HQPBL, because it describes the teacher actions that could create space for HQPBL)