cognitive notes (dragged) 6.pdf - \u25cf \u25cf Correlation\u200b a statistic that indicates how two variables are related to one another \u25cb Correlations range

cognitive notes (dragged) 6.pdf - ● ● Correlation​ a...

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Correlation - a statistic that indicates how two variables are related to one another Correlations range in value from -1 to +1 Positive correlation - when two variables move in the same direction (either increase or decrease together) Negative correlation - when two variables move in opposite directions (one goes up as the other goes down) Zero correlation - when no systematic relationship exist between two variables Correlations can be used to make meaningful predictions (ACT score and college GPA) The presence of a correlation between two variables does not mean that one variable causes another variable to occur Experimental research involves manipulating some aspect of the environment to observe the effect of the manipulation on behavior Gold standard Experimental research is the only method which allows researchers to determine causation Independent variable - what is manipulated in an experiment. An independent variable must have at least two conditions
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Unformatted text preview: ○ Dependent variable- the behavior that is measured or observed in an experiment ■ State dependent memory (independent- condition in which they learned or remembered the words) (dependent- memory performance) ○ One problem of experimental design- Extraneous variable- a variable that is not controlled that could affect the dependent variable (ice cream and drowning) Cognitive Psychology ● Mental processes exist ●Mental processes can be studied (mental events take time) ● Started due to deficit in behavioral school of thought, issues with usability Cognitive Neuroscience ● Localization- finding a location in the brain that supports a particular cognitive process or function ● If the hypothalamus supports memory, then damage to the hypothalamus will lead to an impairment in memory ○ Ex: if the hypothalamus supports memory, then the hypothalamus will be active when you are remembering something 1/8/19...
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