Before revision: The structure of the trial is shown in the table : + The four groups in the Solomon design Group Pre-intervention Intervention Post-intervention 1 Test Treatment Test 2 Test Control Test 3 No test Treatment Test 4 No test Control Test The first two groups receive the evaluation test before and after the study, as in a normal two-group trial.
After revision: StructureThe structure of the trial is shown in the table : + The four groups in the Solomon design Group Pre-intervention Intervention Post-intervention 1 Test Treatment Test 2 Test Control Test 3 No test Treatment Test 4 No test Control Test The first two groups receive the evaluation test before and after the study, as in a normal two-group trial.