In a Quasi-Experimental Study Using a Convenience Sample of Subjects

question 14

Multiple Choice

In a quasi-experimental study using a convenience sample of subjects from a local high school,the researcher asks potential subjects to volunteer for placement in either a "low sugar" diet program or a "regular sugar" diet program.This technique for assigning participation may compromise

• A) construct validity.
• B) external validity.
• C) internal validity.
• D) statistical conclusion validity.

---

Definitions:

Advertisements

Promotional messages or media used to introduce or promote products, services, or ideas to the public and stimulate demand.

Information

Refers to data that has been organized and processed in a way that adds to the knowledge of the person receiving it.

Specific Product

An item clearly defined by its unique features, benefits, and identifier, distinguishable from others.

Salesperson

An individual employed to sell products or services, often working on commission and responsible for managing customer relationships.