In the suggested model, there are differences from Solomon or other types of hybrid
experimental designs such as Swithching Replications Design (Campbell & Stanley,1966, p.202;
Ross, Simkhada & Smith,2005). Existence of five groups, purpose of use in school-wide experiments,
applications of two pre-testings at the beginning and two post-testings at the end, lack of treatment in
three groups, video recording in one experimental and one comparison group during the experimental
process for collecting support for treatment fidelity are the most clear differences of the model from
previous designs.