What Are the Characteristics of the Cities That Are the Best

question 14

Multiple Choice

What are the characteristics of the cities that are the best sites for market tests?

• A)They are near a source of water,such as a lake,river,or ocean.
• B)They have a population of between 100,000 and 500,000 residents.
• C)They have demographics very similar to the demographics of the entire United States.
• D)They have taken a census within the previous decade.
• E)They have centers set up in which residents can test new products and services.

---

Definitions:

Experimenter Bias

A form of bias introduced by the experimenter whose expectations about the outcome of the experiment can be subtly communicated to the participants.

Researchers Blind

A method used in studies where researchers are kept unaware of key aspects of the research, such as which participants belong to the control or experimental group, to prevent bias.

External Validity

The extent to which the results of a study can be generalized to other situations and to other people.

Random Error

Variability in data that arises from unpredictable fluctuations and inconsistencies in the measurement process.