what is discriminant validity?
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extent to which measurements that aren't supposed to be related are
actually unrelated
what does a t-test tell us?
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mean difference between two groups
what is a Type II error?
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fail to reject a false null hypothesis (false negative)
what is the range for correlations?
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-1.0 to +1.0
what is an operational definition?
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defines a measurement procedure
what are the 3 measures of variability?
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- range
- variance
- standard deviation
what are the 3 types of research claims?
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extent to which measurements that aren't supposed to be related are
actually unrelated
what does a t-test tell us?
Give this one a try later!
mean difference between two groups
what is a Type II error?
, Give this one a try later!
fail to reject a false null hypothesis (false negative)
what is the range for correlations?
Give this one a try later!
-1.0 to +1.0
what is an operational definition?
Give this one a try later!
defines a measurement procedure
what are the 3 measures of variability?
Give this one a try later!
- range
- variance
- standard deviation
what are the 3 types of research claims?