PSYCH 101 Lecture Notes - Lecture 7: Nocebo, The Blind, Myelin

• School: UW
• Department: Psychology
• Course: PSYCH 101
• Professor: Jacqueline Spector

Document Summary

Placebo effect: improvement resulting from the mere expectation of improvement, participants must be blind unaware of whether they are in the experimental or control group. Nocebo effect: harm resulting from the mere expectation of harm (e. g. voodoo doll phenomenon) Experimenter expectancy effect: phenomenon in which researchers" hypotheses lead them to unintentionally bias a study outcome. Claimed to know how to add/subtract and could understand many languages: but actually the horse was just understanding cues. Demand characteristics: cues that participants pick up from a study that allow them to generate guesses regarding the researcher"s hypotheses. Double-blind observation: an observation whose true purpose is hidden from the researchers as well as from the participant. Descriptive statistics: numerical characteristics of the nature of the data set, central tendency. Most frequent score in the data set: dispersion. Sense of how loosely or tightly bunched the scores are. Difference between the highest and lowest scores (variability)