Identify the type of observational study (cross-sectional, retrospective, or prospective) described below. A research company
uses a device to record the viewing habits of about 15,000 households, and the data collected over the next 7 years will be used to determine nbsp whether nbsp the proportion of households tuned to a particular sports program nbsp decreases. Which type of observational study is described in the problem statement?a. A prospectiveprospective studyb. A cross-sectional studyc. A retrospectiveretrospective study
Observational studies include the observation of the effects of risk factors, diagnostic examinations, treatment or other intervention by the researchers in order to measure certain outcomes.
A cross-sectional study also known as transverse study or prevalence study is a sub-branch of observational study that involves the analysis of data(cross-sectional data) from the population or a representative subset at a precise point of time. Thus, <em>the problem statement provided here illustrates the cross-sectional study as it observes and analyzes cross-sectional data. </em>
At the end of the story, <em>Monsters Are Due on Maple Street</em>, the aliens are having a conversation about how they are planning to take over the world, but are just using Maple Street as an experiment.
