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. 2017 May 16;5:e3323. doi: 10.7717/peerj.3323

Table 5. Breakdown of the different types of ‘Unclear’ classifications.

Only Journals with unclear models are listed. Categorizations are mutually exclusive and exhaustive. Journals are referred by the labels assigned in Table 1.

Journal Papers in which handling of regression assumption was unclear (rub. 5–7) Unclear
If the ‘normality assumption’ was tested on the residuals or on X or Y (rub. 5) Did not test all but some correct assumptions (rub. 6) No indication if any or which assumptions were tested (rub. 7)
Q1.2 6 0 2 (33%) 4 (67%)
Q1.3 26 0 0 25 (100%)
Q2.1 39 4 (10%) 5 (13%) 30 (77%)
Q2.2 49 1 (2%) 2 (4%) 46 (94%)
Q2.3 14 0 1 (7%) 13 (93%)
Q3.1 5 0 0 5 (100%)
Q3.2 16 0 0 16 (100%)
Q3.3 2 0 0 2 (100%)
Q4.1 1 0 0 1 (100%)
Q4.3 2 0 0 2 (100%)
Total 159 5 (3%) 10 (6%) 144 (91%)