Statistics: A guide to the unknown

College
Essay
Miscellaneous
Pages 5 (1255 words)
Download 0
Retrospective study: A study in which we take a look in the past i.e. a backward looking study is called a retrospective study. For example if something has happened in the past and we wish to analyze the reasons, the logic, the circumstances for its happening, then we call it a retrospective study…

Introduction

A researcher conducting a retrospective study typically utilizes administrative databases, historical records, or interviews with those who have been associated with the incident. At times, if the person about whom the study is being undertaken, is already dead, then we do the interviews with persons who've been associated with him/her. In general, the reasons to conduct a retrospective study can be summarized as:
Prospective Study: In contrast, a prospective study looks ahead in the time domain. This type of study is slow as compared to the retrospective study. At times the study goes on for years together to arrive at any conclusive decision. This type of study is best suited for establishing relationships between the outcome of interest and exposure variables. The primary feature of prospective study is of course that, the outcome has not yet occurred while initiating the study and information is collected over time to assess relationships with the outcome. In such of study information is gathered mostly using interviews or observations. Two types of prospective studies are;
i. Prospective cohort studies: In this type subjects are identified beforehand and the outcome is measured over time. ...
Download paper
Not exactly what you need?

Related papers

Statistics Questions
The arithmetic mean of amounts young adults paid last month against their balances is $104.1 …
Computer IT User Guide
While the library itself would provide solid access to materials needed for continued research, the Internet would provide the opportunity to gain access to such research, without leaving home. All of the sources used for this guide, have been found to be credible and reliable.…
research and statistics
This study would require a random probabilistic sample of patients. Those eligible for participation would be receiving treatment for only one form of cancer, such as breast cancer. The less homogeneity of the IV (i.e. cancer) would help control for a normal population, as well as allow for wider generalisation of the results.…
Crime Statistics
Most are the consequences of Internet tools. For instance, in most robbery cases since the Internet needs individual profiles to give even the most fundamental service, the Internet, because there is a need, displays that profile for the free access of the public as well as the perpetrators.…
Statistics COMPREHENSIVE
Therefore nominal data where attributes can be ranked but the distance between ranks has no meaning.…
Statistics: A guide to the unknown
A researcher conducting a retrospective study typically utilizes administrative databases, historical records, or interviews with those who have been associated with the incident. At times, if the person about whom the study is being undertaken, is already dead, then we do the interviews with persons who've been associated with him/her. In general, the reasons to conduct a retrospective study can…
Statistics
According to basic probability we divide the figure of favourable outcomes by the total number of possible outcomes in our sample space. If we're observing for the chance it will rain, this will be the number of days in our record that it rained divided by the total number of similar days in our record. If our meteorologist has data for 100 days with similar weather conditions, and on 80 of these…