All of the following are investigator bias except:-: (A) Interviewer bias, (B) Misclassification bias, (C) Hawthorne bias, (D) Pygmalion bias
Answer is C. Bias:- Type of Systemic Error in Study; Subject Bias (Eg : Recall Bias, Hawthorne bias) Investigator Bias (Interviewer Bias, Misclassification Bias, Selection Bias) Analyzer Bias (calculation error)