Participants looked up their investments 50-80% less often when the markets were bad
We avoid information we know will be negative
See the full study here :
Karlsson, N., Loewenstein, G. & Seppi, D. The ostrich effect: Selective attention to information. J Risk Uncertain38, 95–115 (2009). https://doi.org/10.1007/s11166-009-9060-6