Question

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 25002500 ​households, and the data collected todaytoday will be used to determine the proportion of households tuned to a particular children's children's program.. Which type of observational study is described in the problem​ statement

Answer 1

Answer: cross-sectional study

Explanation:

• A cross-sectional study is a kind of research study in which a researcher collects the data from many different persons at a single point in time.
• In this study researcher observes the variables without influencing them.

Here, A research company uses a device to record the viewing habits of about 2500 ​households (that includes different persons such as adults , children and seniors )

The data collected today(at a single point in time).

If it is used to determine the proportion of households tuned to a particular children's children's program.

The type of observational study is described in the problem​ statement : "cross-sectional"