Asked by Indigo


When an experimenter's expectations about a behavior influence the results of his experiment, it is called a


a.placebo effect


b.self-fulfilling prophecy


c.single-blind experiment


d.double-blind experiment
Answered by playax0902
D, double blind experiment. This is why you need both the experimenter and experiment to be unaware of the situations outcome.
Answered by Ms. Sue
No. A double blind experiment avoids experimenter bias.