Hi
I have a 7 month old Cavalier and what you read was true.....both of them.
Which one applies to you depends on you.
I usally brush her for around 10 minutes a day and i get no hairs on my clothes, couch or the back seat of the car.
BUT we went down to london over the weekend and i did not bring her brush. The back seat of my car is COVERED in hair and so are my clothes.
I find that brushing her daily for 10-15 mins is the best thing to do and this way she sheds very very little.
When i brush her i get around %20 of the size of a tea cup in fur (sorry i didn't know how else to compare it).
Hope that helps.
Any other Cavalier questions let me know.