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| | |Multiple | | |Multiple |
| | |Will countries that have implemented same-sex marriage underperform? (See below for a more lengthy explanation) | | |Will countries that have implemented same-sex marriage underperform? (See below for a more lengthy explanation) |
| − | |The total number of medals decreased by more than 4%: a decline of 4 out of 94 in 2008. This 4.3% decrease is not statistically significant at any common alpha level.<ref>The 2008 Summer Olympics awarded 958 medals, of which 94 went to the selected countries. The 2012 Summer Olympics awarded 962 medals, of which 90 went to the selected countries. Using a 2-proposition two-sided Z-test, the p-value is 0.734, indicating that a difference as or more extreme than what was observed would occur under the null hypothesis (no correlation) 73.4% of the time.</ref> | + | |The total number of medals decreased by 15%: a decline of 11 out of 73.<ref>South Africa is excluded from this analysis for several reasons: it did not change its Marriage Act to include same-sex marriage, it has relatively few same-sex civil unions, and its medal total in average medal total in the Olympics prior to 2008 was almost identical to its medal total in 2012.</ref> |
| | : Belgium - 5 in 2000, 3 in 2012 | | : Belgium - 5 in 2000, 3 in 2012 |
| | : Canada - 18 in 2008, 18 in 2012 | | : Canada - 18 in 2008, 18 in 2012 |
| | : Netherlands - 25 in 2000, 20 in 2012 | | : Netherlands - 25 in 2000, 20 in 2012 |
| | : Norway - 6 in 2004, 4 in 2012 | | : Norway - 6 in 2004, 4 in 2012 |
| − | : South Africa - 6 in 2004, 6 in 2012
| |
| | : Spain - 19 in 2004, 17 in 2012 | | : Spain - 19 in 2004, 17 in 2012 |
| − | : Total - 94 expected, 90 actual | + | : Total - 73 expected, 62 actual - '''''decline by 15%''''' |
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| | |Men's Handball | | |Men's Handball |