From: Evaluation of an interactive, case-based review session in teaching medical microbiology
 |  |  |  |  | Tests of Differences based on Session | Tests of Cohort Differences | |||
---|---|---|---|---|---|---|---|---|---|
 | 2004 | 2005 | 2006 | 2007 | Results of two sample z tests of proportions | ||||
 |  |  |  |  | Comparison | z | Direction | Comparison | z |
1 | 0.51 | -- | -- | 0.69 | 2004 vs 2007 | -2.52* | predicted | -- | -- |
2 | -- | 0.47 | -- | 0.78 | 2005 vs 2007 | -4.53** | predicted | -- | -- |
3 | 0.50 | -- | -- | 0.56 | 2004 vs 2007 | -0.79 | predicted | -- | -- |
4 | 0.70 | -- | 0.85 | -- | 2004 vs 2006 | -2.36* | predicted | -- | -- |
5 | 0.54 | -- | 0.63 | 0.59 | 2004 vs 2006 2004 vs 2007 | -1.25 -0.66 | predicted predicted | 2006 vs 2007 | 0.59, ns |
6 | 0.64 | 0.88 | -- | 0.71 | 2004 vs 2007 2005 vs 2007 | -1.02 +2.87** | predicted opposite | 2004 vs 2005 | -3.85** |
7 | 0.97 | 0.99 | -- | 0.97 | 2004 vs 2007 2005 vs 2007 | 0.00 +1.02 | equivalent opposite | 2004 vs 2005 | 1.01, ns |