Table 4. Breakdown of the types of mistakes that were observed.

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

Journal	Articles with flawed linear regression model (rub. 8–12)	Tested normality of X but not of residuals (rub. 8)	Tested normality of Y but not of residuals (rub. 9)	Assuming normally distributed variables but did not indicate if X or Y or both (rub. 10)	Tested normality of X and of Y but not of residuals (rub. 11)	Other misconceptions (rub. 12)
Q2.1	2	0	0		0	2 (100%)
Q2.2	3	2 (67%)	0	0	0	1 (33%)
Q3.2	5	4 (80%)	1 (20%)	0	0	0
Total	10	6 (60%)	1 (10%)	0	0	3 (30%)