Final answer:
Background noise during phone contacts can interfere with voice commands due to various factors such as unusual names and foreign accents. Additionally, telephone surveys face biases because not everyone has a phone, and cell numbers may not be listed, resulting in a non-representative sample.
Step-by-step explanation:
Phone contacts that contain background noise may mean the customer has difficulty using voice commands to place calls. This could be for a variety of reasons such as unusual names, background noise, multiple phone numbers, or foreign accents. These factors could contribute to difficulties in communication during phone calls, potentially leading to a need for alternative methods of contact or considerations in user interface design for voice recognition systems. For example, the presence of background noise might complicate voice command recognition, leading to frustration for the user.
Furthermore, the effectiveness of telephone-based surveys or research may be compromised due to several biases. For instance, not everyone has access to a telephone, many cell phone numbers are not listed in published directories, and there is the possibility that an individual may not be home when a call is made. Consequently, survey results may not accurately represent the intended population, which is crucial for making informed decisions based on survey findings.