BACHELOR OF BUSINESS ADMINISTRATION

Detailed explanation-1: -A retrospective survey is a type of study in which respondents answer questions to report on events from the past. By deploying this kind of survey, researchers can gather data based on past experiences and beliefs of people.

Detailed explanation-2: -Defining Retrospective Surveys Also called historical research, a retrospective study inspects the historical data of a group of people. It falls under cohort studies, which are observational studies that determine how often a phenomenon occurs within a targeted population.

Detailed explanation-3: -Whereas a trend study samples a population whose members may change over time, a cohort study samples a particular population whose members do not change over the course of the survey.

Detailed explanation-4: -Retrospective example: a group of 100 people with AIDS might be asked about their lifestyle choices and medical history in order to study the origins of the disease. A Second group of 100 people without AIDS are also studied and the two groups are compared.

Detailed explanation-5: -Longitudinal surveys are those surveys that help researchers to make an observation and collect data over an extended period of time.