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. 2022 Apr 27;23:103. doi: 10.1186/s12931-022-02022-9

Fig. 2.

Fig. 2

DISCERN score for English videos. Unsupervised hierarchical clustering was performed by DISCERN score items (rows) and single videos (columns, n = 64). The categorial item scoring ranges between 1 (not addressed/fulfilled) and 5 (fully addressed/fulfilled). The item 2. “aims achieved” was not assessable (NA) scores, when item 1. “Explicit aims” was scored with 1, i.e., criterion not met. The video category is shown in the top row of the heatmap