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It's the theory that once someone commits a crime, then everyone thinks about that person and what he use to do in the past. Example: If a man is caught sexually abusing children, then people start thinking "Well, he DID always like to be around children alot..." So its like after the crime happens, then people realize that that persons past acts were clues of what he might do in the future.

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Q: What is retrospective study?
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Is CROSS sectional study a retrospective study?

Yes, We can design a cross sectional study which its data collected in a retrospective format, so this study is called cross sectional retrospective study.


Do you need IRB approval for a retrospective study?

Yes, IRB approval is typically required for a retrospective study to ensure ethical standards are met in the research process.


What is the difference between retrospective and prospective study?

A "Retrospective Study" is a study that has happened in the past wherein the results are used to build a theory or hypothesis of a researcher or scientists.A "Prospective Study" however is a study that has been carried out in recent times. For example, a prospective study would be that of Rahe et al (1970) since it was carried out in the last 30 or so years. An example of a retrospective study would be Hawkins et al (1957).So in essence, a Retrospective Study is one done in the past, whilst a Prospective Study is one done in the present. :)


What are the key differences between a prospective study and a retrospective study in terms of their design and data collection methods?

A prospective study follows participants over time to observe outcomes as they occur, while a retrospective study looks back at existing data to analyze past events. Prospective studies are planned in advance and collect data as events unfold, while retrospective studies analyze existing data that has already been collected.


What is CROSS sectional study retrospective study?

A cross-sectional study is a type of observational research that analyzes data collected from a population at a single point in time to assess relationships between variables. In contrast, a retrospective study looks at past data to investigate possible links between exposure and outcome variables.


Difine a Retrospective study in pharmaceutical research?

This would be a study to see how the medicine works in people. You could do a test of having some of them try the medicine.


What are the key differences between a prospective and retrospective cohort study in terms of study design and data collection methods?

A prospective cohort study follows participants over time from the present into the future, collecting data as events occur. A retrospective cohort study looks back at historical data to analyze outcomes that have already happened. Prospective studies are more time-consuming and costly but provide more reliable data, while retrospective studies are quicker and cheaper but may be subject to biases and limitations in data collection.


When was Retrospective I created?

Retrospective I was created in 1973.


Why is a case-control study often referred to as a retrospective study?

A case-control study is referred to as a retrospective study because it looks back in time to study the exposure history of cases (individuals with the outcome/disease) and controls (individuals without the outcome/disease). Researchers compare the past exposure between the two groups to identify potential risk factors associated with the outcome.


What is retrospective relief?

what is included when a retrospective relief occurs


When was A Retrospective - EP - created?

A Retrospective - EP - was created in 2004.


When was Bootleg Retrospective created?

Bootleg Retrospective was created in 1977.