Question

Decide whether the following is observational study, experimental, survey or none of the above: The manager of a grocery store wants to know if a product’s location in the store affects how well the product sells. He first tracks how many of a certain item sells over a month when the display is located where it always has been. He then moves the display to the front of the store so customers see it when they first enter. He again tracks how many of the items sell over a month and compares the numbers. a) experimental b) none of the above c) survey d) observational study

Answer 1

Step 1

An observational study is a study in which the researcher simply observes the subjects without interfering. That is, the researcher has no control over any treatments the subjects may be given or which groups the subjects may be separated into, etc.

A survey experiment is an experiment conducted within a survey. In an experiment, a researcher randomly assigns participants to at least two experimental conditions. The researcher then treats each condition differently.

A survey is an investigation of the characteristics of a given population by means of collecting data from a sample of that population and estimating their characteristics through the systematic use of a statistical methodology.

Comparing the definitions above to the question given, the answer will be;

`Observational\text{ study}`