“Action research” is a research type of great practical value and high frequency of usage in language teaching. An insightful look into the nature and sequence of investigation in this approach is essential for teachers and research workers. On the basis of collected data from different sources, with a high level of conciseness and lucidity, this article provides coherently expressed ideas comprehensible to readers on the following issues: What is “Action research”? The purposes of action research The importance of action research The effects of action research Differences between action research and formal research Steps for classroom action.
