по Karen Ortega 3 лет назад
318
Больше похоже на это
These are long-term, last at least one year, and consist of heterogeneous learning groups with stable membership whose primary purpose is to enable members to give each other the support, help, encouragement, and assistance they need to succeed academically.
These are ad-hoc groups that last from a few minutes to a class period and are used to focus students' attention or to facilitate learning during direct teaching.
These last from one class period to several weeks. These are set for a specific task and involve students working together to achieve shared learning goals