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. 2017 Dec 11;17:246. doi: 10.1186/s12909-017-1070-5

Fig. 4.

Fig. 4

a-c Scattergram of Y (study success) with X1 (test results) and precision of the estimation of ryx1a (predictive validity) from different methods when 30%, 20%, and 10% of applicants are selected