Identify Cases, Variables and Any Units

Multiple Choice

Identify cases, variables and any units.
-Researchers in e-commerce design an experiment to determine what factors are most
Important to online consumers when completing a transaction via the Internet.
Individuals perform tasks on a set of Web sites and record their impressions about
Various attributes. Which of the following would best describe the cases?

A) Participants
B) Respondents
C) Experimental Units
D) Transactions
E) Variables