Even with the ABBA format, penalty shootouts remain a lottery

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PDF) Outcome Bias in Subjective Ratings of Performance: Evidence from the (Football) Field

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Fifa rule out 'fairer' ABBA system for penalty shoot-outs

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New ABBA penalty shootout system to be used in all EFL competitions from start of new season

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Fifa rule out 'fairer' ABBA system for penalty shoot-outs