One of the barriers to greater reliance on ________ is the difficulty of gauging its effectiveness.
A) online advertising
B) catalog marketing
C) direct mail
D) sales promotion
E) public relations

Question

Quizplus · Accepted Answer

Public relations is often seen as difficult to measure in terms of its effectiveness, as its impact can be indirect and difficult to quantify. Other marketing methods like online advertising, catalog marketing, direct mail, and sales promotions can be more easily measured through metrics like click-through rates, response rates, and sales numbers.

One of the Barriers to Greater Reliance on ________ Is