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Two-way ANOVA with average Doc4 grade as dependent variable
| Independent variable | Partial SS | P value |
| UpToDate offered * | 4197 | <10−4 |
| Year of exam | 6196 | <10−4 |
The table shows a two-way ANOVA test with average Doc4 grade as dependent variable and year of exam and UpToDate provision as independent variables. n=599 Doc4 students over 6 years.
*UpToDate offered was set to 0 for 2012–2015 and 1 for 2016–2017.
ANOVA, analysis of variance; SS, sum of squares.
