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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.
21 lis 2023 · 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.
22 lut 2020 · The present study followed a prospective ex post facto research design (Akinlua, 2019). This type of study includes those in which the independent variable cannot be manipulated and...
20 maj 2019 · The study adopted an ex-post facto survey design and data were collected using semi-structured interview schedules from 140 farmers sampled through purposive and multi-stage sampling schemes.
15 lis 2017 · The title ex post facto is applied to studies in which data are gathered retrospectively, whereas causal-comparative is used when data are gathered from groups and the independent variable is not manipulated as in an experiment.
The term ex post facto is from Latin and literally means “from after the action.” This design, when employed experimentally, functions as a comparison between groups without the use of a pretest. The design type is employed both by classic experimental research as well as field research.
In ex post facto research designs, the researcher cannot manipulate variables and the researcher cannot randomly assign the research subjects to different groups (Harris et al., 2006).
