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Toll Free cods1v 8k5k5r 9z0b2l 6b8a4s7r qehxgt. Ex Post Facto Reserach Design. Please accept our Terms. It is useful when not much is known about a phenomenon. Descriptive or Survey Research Design - It attempts to describe and explain conditions of the present by using many subjects and questionnaires to fully describe a phenomenon.
There are many advantages. Correlational or Prospective Research Design - It attempts to explore relationships to make predictions. It uses one set of subjects with two or more variables for each. Causal Comparative or Ex Post Facto Research Design - This research design attempts to explore cause and affect relationships where causes already exist and cannot be manipulated. It uses what already exists and looks backward to explain why. There are two main types of ex post facto research design.
The first is the proactive design. The subjects of this designed are grouped depending on an already pre existing independent variable for example subject studies on scholarship and subjects privately pays for his or her studies. Once the pre existing groups are determined measurements are made based on dependent variable such as level of confidence, class performance etc. The second category is the retroactive ex post fact where the researcher seeks that causes of a pre existing situation the cause in this case will be the independent variable whereas the pre-existing situation is the dependent variable.
Importance of Ex post facto research. If properly implemented ex post facto research can help researchers to clear the air on some research studies whose findings are inconclusive. This is especially so for results gathered through experimental studies.
Ex post facto research is also important when conducting research studies that involve human beings as the subjects.
Many researches involving human subjects are prone to ethical issues. This is especially so if the research involves some form of manipulation that will negatively affect the participants. Ex post facto research is important in verifying already made conclusions on various researches.
This form of research design can therefore be used to authenticate the conclusions sand findings made in an in other experimental studies.
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.
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.
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. Ex post facto research is ideal for conducting social research when is not possible or acceptable to manipulate the characteristics of human participants. It is a substitute for true.
Designing Research: Ex Post Facto Designs MAUREEN GIUFFRE, PhD, RN The research design is the overall plan or structure of the study. The goal. 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.