| A | B |
| Wave | Patients are scheduled in the first 30 min of every hour |
| Double-booking | Appointment times are given to 2 or more patients at the same time |
| Clustering | Patients are scheduled according to the types of diseases or visit needed |
| Open hours | Patients are seen in the order that they sign in, appointments are not given |
| Streaming | Patients are scheduled every 15 minutes and there is a continual flow of patients through the office |
| Single-booking | Patients are given appointments based on the amount of time required for their visit |
| Modified Wave | Patients are scheduled in the first 30 minutes and then a few toward the end of the hour in 10-20 minute intervals |
| Matrix | Means that nothing should be scheduled where there is an X. |