In epidemiological research,<unk>  is a systematic error caused by differences in the accuracy or completeness of the<unk> ections retrieved <unk> ed") by study participants regarding events or experiences from the past. It is sometimes also referred to as response bias, responder bias or reporting bias.
Recall bias
Publication bias
Information bias 
Funding bias
Length time bias
Lead time bias
Age bias 
Restraint bias