Statistics Psy
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| confounding variable | a variable (that we may or may not
have measured) other than the predictor/independent variables in which we’re interested that
potentially affects an outcome/dependent variable’. In other words, it’s a variable that is
related to the outcome we are in
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| Systematic variation | a variation in an experimental outcome that is due to the experimenters’ manipulation
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| Unsystematic variation | the variation in outcome due to random (and often unknown) factors (e.g., change in the dependent variable brought about by something other than changes in the independent variable).
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| Unsystematic vs systematic variation | The difference between these two types of variance is very important for statistical analysis
because what we try to do with most statistical tests is to calculate the total amount of
variance in our outcome variable and then figure out how much of it i
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Created by:
kaly
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