Discussion
Assertion (A) : LISA is a source of primary information.
Reason (R) : All primary sources provide 'original' information.
Answer: A
(A) is false, but (R) is true.
LISA, Library and Information Science Abstracts, is an abstracting service. It does not report new research; it summarises and indexes articles that were first published elsewhere, which makes it a secondary source. So Assertion A is false.
Reason R is true: primary sources, such as research articles, theses, patents and conference papers, are by definition the ones that carry original information, reported for the first time.
Options that call A true, or call R false, are therefore wrong.
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