Which among the following are related to the quality of research articles? Choose the correct answer from the options given below:

1.Number of research articles

2.Impact factor

3.Citation index

4.Frequency of their publication

5.H-index

A1, 2, 3

B2, 3, 4, 5

C2, 3, 5 ✓ Correct

D1, 2, 3, 5

Correct answer: (C) 2, 3, 5

Explanation

Impact factor, citation index and H index reflect the quality and influence of research articles.

Statement 2, impact factor, measures the average citations to articles in a journal.

Statement 3, citation index, tracks how often published work is cited by others.

Statement 5, H index, captures both the productivity and the citation impact of a researcher.

Statement 1, the mere number of research articles, indicates quantity rather than quality.

Statement 4, the frequency of publication, likewise reflects volume, not scholarly quality.

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