<prompt> Berkesonian bias is a type of ?Selection biasInterviever biasInformation biasRecell bias  <response>: Ans. is a i.e., Selection bias Berksonian bias is a type of selection bias.Biaso It is any systemic error in the analysis of study that results in a mistaken estimate of an exposures effect on the risk of disease.o Mainly biases are of following types.1. Selection bias Surveillancedetection bias Referrel bias or volunteer bias Berksonian bias Neyman survival bias Response bias 2. Information Misclassification bias Reporting bias Interviewer bias Recall bias Hawthorne bias attention bias3. Confounding bias Confounding is some times is referred to as a third major class of bias. 