The pros and cons for these types of research might be that quantitive research might be harder to obtain and might not always provide what you are a producer are looking for, but the obtained information can be very useful nevertheless and is crucial for any new business. Qualitative research is very useful to provide you with the information needed when starting a new business and just as quantitate research it is crucial to any new business, the cons of it might be that it might not be reliable.
Quantitive research produces mathematical information, statistics, numbers and such. Quantitive research can be more insightful and it provides you with opinions and things like that.
To find out how many people watched last night's news I would use quantitive research because it would provide me with statistics that will become useful in finding out how many people watched last night's news
Three organisations that provide this type of information are BARB (Broadcasters' Audience Research Board), RAJAR (Radio Joint Audience Research) and NRS (National Readership Survey). These organisations provide the contractor with quantitive research, they provide information such as: watch time, in which room what is being watched, what channels are bring watched, etc.
Audiences are normally categorised based on their gender, income/wealth, geography, age