Figure 4. Roll-Out Randomized Designs.
Symbol “O” refers to implementation as usual, “X*” and “Y*” are introductions on new implementation strategies, and “X” and “Y” are continuation of these strategies over extended periods of time.
Symbol “O” refers to implementation as usual, “X*” and “Y*” are introductions on new implementation strategies, and “X” and “Y” are continuation of these strategies over extended periods of time.