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Ex Post Facto Research Design

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❶The NGT is a group discussion structuring technique. First, a researcher determines the purpose of the study.

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Ex post facto design is a quasi-experimental study examining how an independent variable, present prior to the study in the participants, affects a dependent variable. A quasi-experimental study simply means participants are not randomly assigned.

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treatments to determine differences in the dependent variables, an ex post facto experiment begins with groups that are already different in some respect and searches in retrospect for factors that brought about those differences. In this way, ex post facto research can transform a non-experimental research design into a pseudo-experimental. study.

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Ex post facto study or after-the-fact research is a category of research design in which the investigation starts after the fact has occurred without interference from the researcher. The majority of social research, in contexts in which it is not possible or acceptable to manipulate the characteristics of human participants, is based on ex post facto research designs. 2 Robert S Michael Correlation & Ex Post Facto designs-3 Causal Comparative Research Involves comparison of two or more groups on a single endogenous variables. The characteristic that differentiates these groups is the exogenous variable. Causal comparative studies are also called ex post factobecause the investigator has no control over the.

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Designing Research: Ex Post Facto Designs MAUREEN GIUFFRE, PhD, RN The research design is the overall plan or structure of the study. The goal. An ex post facto research design is a method in which groups with qualities that already exist are compared on some dependent variable. Also known as "after the fact" research, an ex post facto design is considered quasi-experimental because the subjects are not randomly assigned - they are grouped based on a particular characteristic or trait.