পদ্ধতির তুলনা করুন

	শিক্ষা গবেষণায় কোয়ার্সেনড এক্সাক্ট ম্যাচিং	Coarsened Exact Matching (CEM)
ক্ষেত্র	কার্যকারণ অনুমান	কার্যকারণ অনুমান
পরিবার	Regression model	Regression model
উদ্ভবের বছর	2012	2011-2012
প্রবর্তক	Iacus, King, & Porro	Iacus, King, & Porro
ধরন	Matching / quasi-experimental	Matching / causal inference
মৌলিক উৎস	Iacus, S. M., King, G., & Porro, G. (2012). Causal inference without balance checking: Coarsened exact matching. Political Analysis, 20(1), 1-24.	Iacus, S. M., King, G., & Porro, G. (2012). Causal Inference without Balance Checking: Coarsened Exact Matching. Political Analysis, 20(1), 1-24.
অপর নাম	CEM in education, CEM for educational studies, exact matching education, coarsened matching educational data	CEM, coarsened matching, monotonic imbalance bounding matching
সম্পর্কিত	4	6
সারসংক্ষেপ	Coarsened Exact Matching (CEM) is a pre-processing matching strategy that reduces imbalance between treated and comparison groups before outcome analysis. In education research it is used to create balanced comparison groups from administrative records, survey data, or quasi-experimental study designs — for example comparing students who received an intervention against comparable students who did not, without relying on randomisation.	Coarsened Exact Matching is a preprocessing method that achieves covariate balance by temporarily coarsening continuous variables into bins, exactly matching treated and control units within those bins, and then discarding all unmatched units. Introduced by Iacus, King, and Porro (2011, 2012), it bounds imbalance on each covariate independently, yielding a matched sample on which any estimator can be applied without relying on a propensity score model.