PSY 101 Lecture Notes - Lecture 4: Institutional Review Board, Rosalie Rayner, Little Albert Experiment
Document Summary
Can"t make contact with a representative group from the population (so participants may not be typical of the population as a whole) Self-selection bias: not everyone solicited for study participation takes part; people who agree may differ in important ways from people who decline: measurement. May be due to incorrect/inaccurate method of measurement: response sets. Maybe to get out of trouble with the law. When certain features of an experiment - demand characteristics - tip off participants about the purpose of the study, such that the participants act in a way that conforms with the study hypothesis or the opposite. May be minimized by adding questions to throw the participant off the. When the experimenter"s knowledge of the study"s purpose affects participants" behavior because the experimenter, depending on what condition the participants are assigned: (d. 2. a. 1) treats participants differently (d. 2. a. 2) May be minimized by using a computer or using a double-blind format.
