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action research. A process of uncovering solutions through progressive problem solving activities. The outcome is intended to improve practices and address issues. Often performed by a group of participants, the process involves investigation through activity rather than theoretical response. Also called participatory action research.
A test group is the group in an experiment to which the change is being applied and the control group is the same type of group in an experiment to which nothing is done to co â¦ mpare the changes in the test group to. 11 people found this useful.