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Cards In This Set
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Adjusted
Mean
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This
is the value of the group mean adjusted for the effect of the covariate.
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Adjusted
predicted value
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A
measure of the influence of a particular case of data.
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Adjusted
R-squared
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A
measure of the loss of predictive power or shrinkage in regression. The
adjusted r-square tells us how much variance in the outcome would be accounted
for if the model had been derived from the population from which the sample was
taken.
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Analysis
of covariance
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A
statistical procedure that uses the F-ratio to test the overall fit of a linear
model controlling for the effect that one or more covariates have on the
outcome variable.
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Analysis
of variance
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A
statistical procedure that uses the F-ratio to test the overall fit of a linear
model. In experimental research this linear model tends to be defined in terms
of group mean and the resulting ANOVA is therefore an overall test of whether
group means differ.
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ANCOVA
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Acronym
for analysis of covariance
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Anderson-Rubin
method
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A
way of calculating factor scores which produces scores that are uncorrelated
and standardized with a mean of 0 and a standard deviation of 1.
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ANOVA
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Acronym
for analysis of variance
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Autocorrelation
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When the residuals of two observations in a regression model
are correlated
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b
(i)
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Un
standardized regression coefficient
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B
(i)
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Standardized
regression coefficient
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Delete Me
|
Delete Me
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B-level
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The
probability of making a Type II error
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Bartlett’s
test of sphericity
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The
test examines whether a variance-covariance matrix is proportional to an
identity matrix. It tests whether the diagonal elements of the
variance-covariance matrix are equal (i.e. group variances are the same).
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Between-group
design
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Another
name for independent design
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