Answer:
The non-equivalent control group design.
Step-by-step explanation:
Non-equivalent control group design: In the psychological or scientific experiment the term 'non-equivalent control group design' is defined as the of research in which the participants' distribution or assignment is not controlled by the experimenter or the researcher.
The quasi-experimental research design is a type of non-equivalent control group design and does not receive any treatment in an experiment.
In the question above, the statement signifies the non-equivalent control group design.