When people talk about action research, one sentence that i think is a research in which the researcher himself being the subject of matter. However, until someone else verified the research in other research using the same methods, the research done is not considered effective.

Terms that synonym in a research:

Improvement - refer to how a technique, skill and strategy can be enhanced and gives huge impacts to the students

Survey - Research that done to gather all inputs by investigate people opinions, experiences and etc through direct asking or in a series of questionnaires

Compare - Point out similar characteristics or aspects of two or more different subjects

Contrast - Describe two or more things by the characteristics or aspects differences

Analysis - To manipulate the data in which researcher sort out from the overall points to smaller units in order to understand a concept

Evaluate - Make consideration for something whether it is good or bad along with the definite proofs. This skill helps researcher to make decision or to accept or deny an idea

Concluding - To make a statement based on hypothesis. Conclusion support a matter through investigations, thus assist researcher in making decision

Synthesis - Gather all ideas or information to make a statement using own words