Which PACT Principle of Copy Testing Suggests That Copy Testing

Multiple Choice

Which PACT principle of copy testing suggests that copy testing procedures should attempt to duplicate the eventual setting of an advertisement? 

A)  A good copy testing system is based on a model of human response to communications. 
B)  A good copy system provides controls to avoid the bias normally found in the exposure context. 
C)  A good copy testing system takes into account basic considerations of sample definition. 
D)  A good copy testing system can demonstrate reliability and validity. 
E)  A good copy testing system provides multiple measurements.