For Years Many People Perceived It Difficult to Tape Programs

Multiple Choice

For years many people perceived it difficult to tape programs on video cassette recorders (VCRs) .They could not master the multiple programming steps.As a result makers of VCRs streamlined the system.Now to tape a show,all the user needs is a program number that is available in TV Guide.Makers of VCRs realized that the product characteristic of _____ was slowing sales.

A) complexity
B) trialability
C) relative advantage
D) observability
E) compatibility