Figure 4
A pie chart shows the distribution of papers across quartiles Q 1, Q 2, Q 3, Q 4, and N slash A.The pie chart titled “Distribution of papers by quartiles” shows five sectors. Q 1 accounts for 42 percent, forming the largest slice. Q 2 accounts for 21 percent. Q 3 accounts for 2 percent, and Q 4 accounts for 3 percent, both forming narrow slices. The remaining 32 percent is labeled N slash A.

Distribution of sources by JCR quartiles. The figure presents the quality profile of the reviewed literature, indicating the share of articles published in journals ranked across different JCR quartiles, thereby reflecting the academic rigor and impact of the evidence base. Source: Authors’ own

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