Can there ever be too many options? A meta-analytic review of choice overload
63 conditions from 50 experiments, 5,036 participants; mean effect virtually zero (D = 0.02) with considerable variance; slight publication bias in favour of choice overload results; more recent experiments less likely to find it; Scheibehenne (2008) German supermarket jam replication and Greifeneder (2008) chocolate study reported as finding no effect.
63 conditions from 50 experiments, 5,036 participants; mean effect virtually zero (D = 0.02) with considerable variance; slight publication bias in favour of choice overload results; more recent experiments less likely to find it; Scheibehenne (2008) German supermarket jam replication and Greifeneder (2008) chocolate study reported as finding no effect.
Written from the full text read 2026-10-14.
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doi:10.1086/651235. Full text read (author copy): 63 conditions from 50 experiments, 5,036 participants; mean effect virtually zero (D = 0.02) with considerable variance; slight publication bias in favour of choice overload results; more recent experiments less likely to find it; Scheibehenne (2008) German supermarket jam replication and Greifeneder (2008) chocolate study reported as finding no effect.