The phrase "unreliable results" means the outcomes or information that cannot be trusted or relied upon because they are not accurate or consistent. Full definition
And for some types of cancers, frozen section interpretation can be difficult, yielding unreliable results in as many as 10 to 20 percent of cases. (sciencedaily.com)
The problem of unreliable results is not unique to psychology. (discovermagazine.com)
Taking unreliable results and implementing them can actually cause decreased performance. (smashingmagazine.com)