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Details Title: Intro to Psychology Description: vocab Total Flash Cards: 22 Created: 12/28/2004 09:28:04	To study from this set of flash cards, or to create your own your own study flash cards, register HERE. If you are already a registered user, CLICK HERE.
Cards Term hindsight bias Definition "the tendency to believe, after learning an outcome, that one would have forseen it" Term overconfidence Definition tendency to overestimate the accuracy of one's beliefs and judgements Term random sample Definition sample that fairly represents a pop. b/c each member had an equal chance of inclusion Term random assignment Definition assigning participants to experimental and control conditions by chance Term illusory correlation Definition the perception of a relationship where none exists Term false-consensus effect Definition tendency to overestimate the extent to which others share our beliefs and behaviors Term control treatment Definition treatment of a group in an experiment to compare w/ an experimental group Term operational definition Definition statement of the procedures used to define research variables Term case study Definition observation technique where one person is studied in depth in hope of revealing universal principles Term naturalistic observation Definition observing and recording behavior in naturally occuring situations w/o trying to manipulate and control the situation Term correlation Definition "statistical measure of the extent to which two factors vary together, and thus of how well either factor predics the other" Term placebo effect Definition any effect on behavior caused by a placebo Term survey Definition "technique for ascertaining the self-reported attitudes or behaviors of people, usually by questioning a rep. Sample" Term double blind Definition experimental procedure in which both the research participants and the research staff are ignorant about whether the research participants have received treatment or a placebo Term single blind Definition experimental procedure where only the research participants are unaware of whether they are receiving treatment or a placebo Term standard deviation Definition a computed measure of how much scores vary around the mean score Term mean Definition arithmetic average of a distribution Term median Definition the middle score in a distribution Term mode Definition the most frequently occuring score in a distribution Term scatterplot Definition a graphed cluster of dots that represent the values of 2 variables; slope of the points suggests the strength and direction of the correlation Term normal distribution Definition symmetrical bell-shaped cure that descrives the distribution of many physical and psychological attributes Term range Definition the difference between the highest and lowest scores in a distribution