Discussion
Which law states that "An information retrieval system will tend not to be used whenever it is more painful and troublesome for a customer to have information than for him not to have it" ?
Answer: B
The statement is Mooers' Law: an information retrieval system will tend not to be used whenever it is more painful and troublesome for a customer to have information than for him not to have it. Calvin Mooers stated it.
Bradford's law concerns the scatter of articles in journals, Zipf's law concerns the frequency of words, and Lotka's law concerns the productivity of authors. They are not about the user's effort.
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