PSY 2012 Lecture Notes - Lecture 6: Malingering, Confounding, Internal Validity
Document Summary
Improvement resulting from the mere expectation of improvement. Unaware of whether one is in the experimental group or control group. A sugar pill, or dummy pill, itself is called a _______ to the members of the control group. If patients find out which control group or experimental group they are in. Placebo pills are more for people suffering from _______ & ________ The tendency to make ourselves appear psychologically disturbed with the aim of achieving a clear-cut personal goal. Disadvantages: some respondents don"t view themselves as they really are (narcissists people won"t say they"re narcissistic but they really are); some lie using response set or malingering. Advantages: accurate; better that an observer can see and write down data than a person his or herself. Disadvantages: halo effect can blind the person who is rating from the negatives of the target. The tendency of ratings of one positive characteristic to "spill over" to influence the ratings of other positive characteristics.
