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Statistical Inference means drawing conclusions based on data. There are many contexts in which inference is desirable, and there are many approaches to performing inference.…

Impact Evaluation is aimed at providing feedback to help improve the design of programs and policies. It assesses changes in the well-being of individuals, households,…

Statistical Hypothesis Testing refers to the formal procedures used by statisticians to accept or reject statistical hypotheses. It is used to determine whether there is…

Survey Sampling is important to have a group of people who will participate in the survey and be able to represent the whole target population.…

Robust Parameter Design is very similar to fractional factorial designs (FFDs) in that the optimal design can be found using Hadamard matrices, principles of effect…

Randomized Controlled Trial (RCT) is a study in which people are allocated at random to receive one of several clinical interventions. It is a type…

In a Randomized Block Design, the experimenter divides subjects into subgroups called blocks, such that the variability within blocks is less than the variability between…

Quasi Experiment is a study in which the researcher manipulates the level of some independent variable and then measures the outcome. In a quasi-experiment, the…

Safety Protocol is a system of rules that explain the correct conduct and procedures to be followed in formal situations. It is desirable to standardize…

Clinical Trial is one of the final stages of a long and careful research process. The process often begins in a laboratory, where scientists first…

Research Question focuses the study, determines the methodology, and guides all stages of inquiry, analysis, and reporting. It is the fundamental core of a research…

Grey Box Model is specify the mathematical structure of the model explicitly, including couplings between parameters. It is useful when know the relationships between variables,…