Final answer:
Quarterly late-night secret shops, also known as 'phantom shops', are looking for the same items as regular shoppers in addition to signs of anti-solicitation.
Step-by-step explanation:
Quarterly late-night secret shops, also known as 'phantom shops', are looking for the same items as regular shoppers in addition to signs of anti-solicitation. These secret shops are often conducted by research companies or retailers to evaluate the performance of their employees and the overall customer experience. Anti-solicitation signs can be found in privately owned shopping centers as a result of court cases that protect free expression in these spaces.