Aresearcher introduces a new mathematics program in one school district and uses a neighboring district as a no-treatment control group. after the program is in place for 6 months, the researcher intends to give the students in both districts a standardized mathematics test and then compare their scores. this research cannot be classified as a true experiment because

This research cannot be classified as a true experiment because the researcher does not control the assignment of participants to groups and therefore has a nonequivalent groups design.

There are three standards for an experiment to meet its criteria which are:

1) At least one experimental and control group

2) Researcher-manipulated variable

3) Random assignment

answer; talcott parsons;