An Experimenter Bias Effect Operates When an Experimenter

Multiple Choice

An experimenter bias effect operates when an experimenter

A) deliberately manipulates subjects' behavior or falsifies data in order to obtain an"expected" finding.
B) inadvertently transmits his/her expectancies about the outcome of an experiment in a way that affects subjects' behavior.
C) deliberately selects a sample that he/she knows will perform in the "expected" way.
D) All of these are true.