which type of study records the values of variables for members of a sample that are being…

which type of study records the values of variables for members of a sample that are being observed?\nexperiment\nobservational study\nsurvey\ncomparative study

which type of study records the values of variables for members of a sample that are being observed?\nexperiment\nobservational study\nsurvey\ncomparative study

Answer

Brief Explanations:

An observational study records the values of variables for members of a sample that are being observed without any intervention. In an experiment, there is an intervention. A survey involves asking questions. A comparative study compares different groups or situations.

Answer:

B. Observational Study