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Surgical procedure that severs fibers connecting the frontal lobes of the brain from the underlying thalamus empezar lección
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Mental shortcut or rule of thumb that helps us to streamline our thinking and make sense of our world empezar lección
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watching behavior in real-world settings without trying to manipulate the situation empezar lección
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extent to which we can generalize findings to real-world settings empezar lección
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extent to which we can draw case-and-effect inferences from a study empezar lección
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research design that examines one person or a small number of people in depth, often over an extended time period empezar lección
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demonstration that a given psychological phenomenon can occur empezar lección
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procedure that ensures every person in a population has an equal chance of being chosen to participate empezar lección
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consistency of measurement empezar lección
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extent to which a measure assesses what it purports to measure empezar lección
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tendency of research participants to distort their responses to questionnaire items empezar lección
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research design that examines the extent to which two variables are associated empezar lección
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grouping of points on a two-dimensional graph in which each dot represents a single person's data empezar lección
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perception of a statistical association between two variables where none exists empezar lección
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research design characterized by random assignment of participant to conditions and manipulation of an independent variable empezar lección
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randomly sorting participants into two groups empezar lección
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group of participants that receives the manipulation empezar lección
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the group of participants that doesn't receive the manipulation empezar lección
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variable that an experimenter manipulates empezar lección
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variable that an experimenter measures to see whether the manipulation has an effect empezar lección
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a working definition of what a researcher is measuring empezar lección
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improvement resulting from the mere expectation of improvement empezar lección
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unaware of whether one is in the experimental or control group empezar lección
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phenomenon in which researchers' hypotheses lead them to unintentionally bias the outcome of a study empezar lección
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experimenter expectancy effect
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when neither the researchers nor participants are aware of who's in the experimental or control group empezar lección
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harm resulting from the mere expectation of harm empezar lección
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cues that participants pick up from a study that allows them to generate guesses regarding the researcher's hypotheses empezar lección
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informing research participants of what is involved in a study before asking them to participate empezar lección
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application of mathematics to describing and analyzing data empezar lección
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numerical characterizations that describe data empezar lección
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measure of the "central" scores in a data set, or where the group tends to cluster empezar lección
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average; measure of central tendency empezar lección
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middle score in a data set; a measure of central tendency empezar lección
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most frequent score in a data set; a measure of central tendency empezar lección
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measure of how loosely or tightly bunched scores are empezar lección
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difference between the highest and lowest scores; a measure of variability empezar lección
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measure of variability that takes into account how far each data point is from the mean empezar lección
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mathematical methods that allow us to determine whether we can generalize findings from our sample to the full population empezar lección
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