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journal-metrics-guide

Understand journal impact factors, h5-index, CiteScore, and SJR

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# Journal Metrics Guide

A skill for understanding, comparing, and responsibly using journal-level metrics including Impact Factor, CiteScore, SJR, SNIP, h5-index, and Eigenfactor. Covers where to find each metric, how they are calculated, their limitations, and how to select appropriate journals for submission.

## Overview of Major Metrics

### Metric Comparison

| Metric | Provider | Formula Basis | Window | Free? |
|--------|----------|--------------|--------|-------|
| Impact Factor (JIF) | Clarivate (JCR) | Citations to articles / citable items | 2 years | No |
| 5-Year IF | Clarivate (JCR) | Same, extended window | 5 years | No |
| CiteScore | Scopus/Elsevier | Citations / documents | 4 years | Yes |
| SJR | Scopus/SCImago | Prestige-weighted citations | 3 years | Yes |